Understanding the phrasal verb “turn in” is crucial for effective communication in English. It’s a versatile expression with multiple meanings, ranging from submitting assignments to informing on someone. Because of its varied applications, knowing how to use “turn in” correctly can significantly improve your fluency and comprehension. This article provides a detailed exploration of “turn in,” covering its definitions, structural usage, common mistakes, and practical exercises. Whether you’re a student, a professional, or simply an English language enthusiast, this guide will equip you with the knowledge and confidence to use “turn in” accurately and effectively.
Table of Contents
- Definition of “Turn In”
- Structural Breakdown
- Types and Categories of “Turn In”
- Examples of “Turn In” in Sentences
- Usage Rules
- Common Mistakes
- Practice Exercises
- Advanced Topics
- Frequently Asked Questions
- Conclusion
Definition of “Turn In”
“Turn in” is a phrasal verb in English, meaning it’s a combination of a verb (“turn”) and a particle (usually a preposition or adverb – in this case, “in”). Phrasal verbs often have meanings that are different from the individual words they’re made of. “Turn in” is particularly versatile, having several distinct meanings depending on the context. It functions as a transitive verb when it requires an object (e.g., “turn in the assignment”) and intransitive when it doesn’t (e.g., “I’m going to turn in”). Understanding these nuances is critical for mastering its usage.
Structural Breakdown
The basic structure of “turn in” involves the verb “turn” followed by the particle “in.” However, the placement of the object can vary depending on the type of object. When the object is a pronoun (e.g., him, her, it, them), it must go between “turn” and “in.” When the object is a noun phrase (e.g., the report, the keys), it can either go between “turn” and “in” or after “in.” This flexibility can sometimes be confusing, but understanding the rules governing object placement is key. Let’s look at some examples to illustrate this:
- Correct: Turn it in. (Pronoun between)
- Correct: Turn the report in. (Noun phrase between)
- Correct: Turn in the report. (Noun phrase after)
- Incorrect: Turn in it. (Pronoun cannot go after)
Types and Categories of “Turn In”
“Turn in” has several different meanings, each with its own specific context. Learning to distinguish between these meanings is crucial for understanding and using the phrasal verb correctly. The most common meanings include submitting something, going to bed, informing on someone, returning something, and producing something. Let’s explore each of these meanings in detail.
Submit Something
One of the most common uses of “turn in” is to submit something, such as an assignment, a report, or any other required document. In this context, “turn in” means to give something to someone in authority or to the appropriate recipient. This typically involves handing over a physical document or submitting a digital file. The context usually involves deadlines and expectations for submission.
Go to Bed
Another frequent usage of “turn in” is to indicate that someone is going to bed. This meaning implies retiring for the night to sleep. It’s a more informal and idiomatic way of saying “go to bed” and often suggests a sense of relaxation or tiredness. The phrase is often used in casual conversation when discussing evening routines or expressing weariness.
Inform on Someone
“Turn in” can also mean to inform on someone, typically to the authorities. This implies revealing someone’s wrongdoing or illegal activities. This usage carries a strong connotation of betrayal or moral obligation, depending on the context. It often suggests a serious situation where someone is reporting another person’s actions to law enforcement or other relevant authorities.
Return Something
In some cases, “turn in” can mean to return something, such as found items or borrowed objects. This implies giving something back to its rightful owner or designated location. The context usually involves items that have been lost or temporarily taken. For example, returning a lost wallet to the police station or a library book after reading it.
Produce
Less commonly, “turn in” can mean to produce, especially in the context of a performance or result. In this sense, it’s often used in business or sports. For example, a team might be expected to “turn in” a certain level of performance, or a factory might be expected to “turn in” a certain number of units.
Examples of “Turn In” in Sentences
To further illustrate the different meanings of “turn in,” let’s look at some examples in context. The following tables provide a variety of sentences using “turn in” in its various forms.
Examples: Submit Something
This table presents a variety of sentences demonstrating the usage of “turn in” to mean ‘submit something’. The object placement (between “turn” and “in” or after “in”) is highlighted to illustrate the grammatical flexibility with noun phrases but the restriction with pronouns.
| Sentence | Object Placement |
|---|---|
| Please turn in your homework by Friday. | After “in” |
| Don’t forget to turn the assignment in. | Between “turn” and “in” |
| You must turn it in on time. | Pronoun between “turn” and “in” |
| The students had to turn in their projects yesterday. | After “in” |
| She turned her application in last week. | Between “turn” and “in” |
| He needs to turn in the report by noon. | After “in” |
| Did you turn in your test? | After “in” |
| I turned the documents in this morning. | Between “turn” and “in” |
| They turned in the proposal before the deadline. | After “in” |
| Make sure to turn in your permission slips. | After “in” |
| She turned it in early to get extra credit. | Pronoun between “turn” and “in” |
| The team turned in their findings to the supervisor. | After “in” |
| He turned the resignation letter in reluctantly. | Between “turn” and “in” |
| Remember to turn in your timesheets every week. | After “in” |
| They turned in the final version of the manuscript. | After “in” |
| Turn in all electronic devices before the exam starts. | After “in” |
| She turned the questionnaire in with a smile. | Between “turn” and “in” |
| Please turn in any feedback you have. | After “in” |
| He turned in his essay without proofreading it. | After “in” |
| Turn in your completed forms at the front desk. | After “in” |
| They turned the survey in before leaving the conference. | Between “turn” and “in” |
| I turned it in, but I’m not sure if it was correct. | Pronoun between “turn” and “in” |
| Don’t forget to turn in the signed contract. | After “in” |
Examples: Go to Bed
This table provides examples of sentences using “turn in” to mean ‘go to bed’. These examples illustrate how the phrase is used in everyday conversation and writing to indicate someone is retiring for the night.
| Sentence |
|---|
| I’m feeling tired; I think I’ll turn in early tonight. |
| It’s getting late, so I’m going to turn in. |
| After a long day at work, she decided to turn in. |
| The kids were exhausted, so we told them to turn in. |
| He usually turns in around 10 PM on weekdays. |
| I’m going to turn in now. Goodnight! |
| She turned in after finishing her book. |
| They decided to turn in because the movie was boring. |
| I’m too tired to watch the game; I’ll turn in. |
| She told her guests she was going to turn in. |
| He turned in immediately after taking his medicine. |
| After the party, everyone started to turn in. |
| I’ll turn in once I finish this chapter. |
| She’s already turned in for the night. |
| He’s been turning in early all week. |
| I think it’s time for me to turn in. |
| She said she was going to turn in after the news. |
| They usually turn in late on weekends. |
| I’m turning in now; see you in the morning. |
| She turned in after a very stressful day. |
| He turned in, hoping to feel better in the morning. |
| I’m going to turn in and get some rest. |
Examples: Inform on Someone
This table showcases sentences where “turn in” means ‘inform on someone’. These examples highlight the serious and often controversial nature of this usage, involving reporting someone to authorities for wrongdoing.
| Sentence |
|---|
| He decided to turn his friend in after discovering the theft. |
| She had to turn in her colleague for fraud. |
| The witness chose to turn in the suspect to the police. |
| They threatened to turn him in if he didn’t cooperate. |
| I couldn’t believe he would turn in his own brother. |
| She felt guilty about turning in her neighbor. |
| He turned in the criminal to receive a reward. |
| The informant agreed to turn in the entire gang. |
| They were pressured to turn in their accomplices. |
| She turned in the corrupt official to the authorities. |
| He made the difficult decision to turn in his boss. |
| She was forced to turn in her family member. |
| They turned in the poachers to the wildlife authorities. |
| He turned in the hacker to the cybercrime unit. |
| She turned in the drug dealer to the police. |
| They turned in the arsonist after the fire. |
| He turned in the smuggler at the border. |
| She turned in the blackmailer to protect her family. |
| They turned in the embezzler to the company. |
| He turned in the terrorist to national security. |
| She felt she had no choice but to turn him in. |
Examples: Return Something
This table illustrates the use of “turn in” to mean ‘return something’. The examples demonstrate how this usage applies to returning lost or borrowed items to their rightful place or owner.
| Sentence |
|---|
| Please turn in any lost items to the front desk. |
| I need to turn in this library book before it’s overdue. |
| He decided to turn in the wallet he found on the street. |
| She turned in the keys to the apartment after moving out. |
| They asked him to turn in his badge after being dismissed. |
| I turned in the equipment after the project was completed. |
| She turned in the borrowed tools to her neighbor. |
| He turned in the rental car at the airport. |
| They turned in the uniforms after the season ended. |
| She turned in the documents she found in the park. |
| He turned in the evidence to the detective. |
| She turned in the stolen goods anonymously. |
| They turned in the weapons to the amnesty program. |
| He turned in the expired medication to the pharmacy. |
| She turned in the defective product to the store. |
| They turned in the recovered artifacts to the museum. |
| He turned in the counterfeit money to the bank. |
| She turned in the misprinted stamps to the post office. |
| They turned in the faulty equipment for repair. |
| He turned in the outdated software to IT. |
Examples: Produce
This table provides examples of the less common usage of “turn in” to mean ‘produce’. These sentences show how the phrase can be used in contexts where a specific output or result is expected.
| Sentence |
|---|
| The factory needs to turn in a higher production rate this quarter. |
| The team is expected to turn in a winning performance. |
| The company must turn in a profit to satisfy investors. |
| The project needs to turn in results by the end of the month. |
| The athlete has to turn in a personal best to qualify. |
| The research should turn in valuable insights. |
| The new strategy is expected to turn in positive outcomes. |
| The initiative must turn in tangible benefits. |
| The system needs to turn in accurate data. |
| The campaign should turn in increased awareness. |
| The experiment is expected to turn in groundbreaking findings. |
| The program must turn in sustainable results. |
| The reforms should turn in improved efficiency. |
| The investment needs to turn in a return. |
| The development has to turn in innovative solutions. |
| The investigation is expected to turn in conclusive evidence. |
| The analysis should turn in meaningful conclusions. |
| The evaluation must turn in objective assessments. |
| The seminar should turn in inspired participants. |
| The initiative must turn in measurable progress. |
Usage Rules
Several rules govern the proper usage of “turn in.” These rules primarily concern the placement of the object and the correct usage of the phrase in different contexts. Understanding these rules will help you avoid common errors and use “turn in” with confidence.
Object Placement: As mentioned earlier, when the object is a pronoun (it, him, her, them, us), it must be placed between “turn” and “in”. When the object is a noun phrase, it can be placed either between “turn” and “in” or after “in.”
Contextual Accuracy: Ensure that the context aligns with the intended meaning of “turn in.” For example, using “turn in” to mean “go to bed” in a formal business setting would be inappropriate.
Tense Consistency: Maintain consistent tense when using “turn in.” For example, if you’re talking about a past event, use the past tense form (“turned in”).
Appropriate Register: Be mindful of the register of your language. While “turn in” meaning “go to bed” is common in informal settings, it might not be suitable for formal writing.
Common Mistakes
Several common mistakes occur when using “turn in.” Being aware of these errors can help you avoid them. Let’s examine some of the most frequent mistakes and how to correct them.
| Incorrect | Correct | Explanation |
|---|---|---|
| Turn in it. | Turn it in. | Pronouns must go between “turn” and “in.” |
| I will turn in at 9 PM. (Intending to submit) | I will turn the report in at 9 PM. | Missing object. “Turn in” requires an object when referring to submitting something. |
| I’m going to turn in the bed. | I’m going to turn in. (or go to bed) | Incorrect usage. “Turn in” doesn’t take a direct object when meaning “go to bed.” |
| She turned in the police for the crime. | She turned him/her in to the police for the crime. | Incorrect preposition and missing object. Needs a pronoun or noun phrase representing the person being reported. |
| Turn in! (When telling someone to submit homework) | Turn it in! / Turn your homework in! / Turn in your homework! | Missing object. The imperative form requires an object. |
Practice Exercises
To solidify your understanding of “turn in,” try the following practice exercises. These exercises cover different aspects of using “turn in” and will help you identify areas where you may need further practice.
Exercise 1: Fill in the Blanks
Complete the following sentences with the correct form of “turn in.”
| Question | Answer |
|---|---|
| Please ________ your assignments by next Monday. | turn in |
| I’m feeling tired; I think I’ll ________ early tonight. | turn in |
| She decided to ________ her neighbor after discovering the illegal activity. | turn in |
| Don’t forget to ________ the library book before it’s due. | turn in |
| The factory needs to ________ a higher profit margin this year. | turn in |
| He had to ________ his report by Friday. | turn in |
| She decided to ________ the lost wallet to the police station. | turn in |
| I am going to ________ now, I am so tired. | turn in |
| They threatened to ________ him if he didn’t cooperate. | turn in |
| Please ________ any devices before the test. | turn in |
Exercise 2: Sentence Transformation
Rewrite the following sentences using “turn in” instead of the underlined words or phrases.
| Question | Answer |
|---|---|
| You need to submit your applications by the end of the week. | You need to turn in your applications by the end of the week. |
| I’m going to go to bed now because I have an early start tomorrow. | I’m going to turn in now because I have an early start tomorrow. |
| She decided to report the crime to the authorities. | She decided to turn in the crime to the authorities. |
| He needs to give back the borrowed tools to his neighbor. | He needs to turn in the borrowed tools to his neighbor. |
| The company is expected to generate a higher revenue this quarter. | The company is expected to turn in a higher revenue this quarter. |
| She is going to retire for the night after finishing her book. | She is going to turn in after finishing her book. |
| He decided to inform on his partner for illegal activity. | He decided to turn in his partner for illegal activity. |
| They need to hand in their assignments by Friday. | They need to turn in their assignments by Friday. |
| I will go to sleep now, I have a headache. | I will turn in now, I have a headache. |
| She chose to report the incident to the manager. | She chose to turn in the incident to the manager. |
Exercise 3: Error Correction
Identify and correct the errors in the following sentences.
| Question | Answer | Correction |
|---|---|---|
| Please turn in it at the front desk. | Please turn it in at the front desk. | Pronoun must go between “turn” and “in.” |
| I am going to turn in the bed now. | I am going to turn in now. | Incorrect usage; “turn in” doesn’t take a direct object when meaning “go to bed.” |
| She turned in the police for the robbery. | She turned him in to the police for the robbery. | Incorrect preposition and missing object. |
| Turn in! (When telling someone to submit the report) | Turn it in! / Turn the report in! | Missing object. |
| He decided to turn in to bed early. | He decided to turn in early. | Redundant prepositional phrase. |
| She is going to turn in it to her boss. | She is going to turn it in to her boss. | Pronoun must go between “turn” and “in.” |
| I need to turn in back the book to the library. | I need to turn in the book to the library. | Redundant “back”. |
| He will turn in the authorities. | He will turn himself in to the authorities. | “Himself” is needed to specify who is being reported. |
| They turn in for the night after watching the movie. | They turned in for the night after watching the movie. | Past tense is required. |
| Please turn in all your homeworks. | Please turn in all your homework. | “Homework” is uncountable. |
Advanced Topics
For advanced learners, exploring more nuanced aspects of “turn in” can further enhance their understanding. This includes examining idiomatic expressions, regional variations, and the historical evolution of the phrase.
Idiomatic Expressions: “Turn in” can be part of more complex idiomatic expressions. For example, “turn in one’s grave” is an idiom meaning that a deceased person would be shocked or disapproving of something happening now. Understanding these idiomatic uses requires familiarity with advanced English vocabulary and cultural references.
Regional Variations: While the core meanings of “turn in” are generally consistent across different English-speaking regions, subtle variations in usage might exist. For example, the frequency with which “turn in” is used to mean “go to bed” might vary from one region to another.
Historical Evolution: The meanings and usages of phrasal verbs evolve over time. Researching the historical development of “turn in” can provide insights into how its meanings have changed and adapted over the centuries.
Frequently Asked Questions
Here are some frequently asked questions about using “turn in.”
- Is “turn in” formal or informal?
The formality of “turn in” depends on the context and the specific meaning. When used to mean “submit something,” it’s generally considered neutral and appropriate for both formal and informal settings. However, when used to mean “go to bed,” it’s more informal and suitable for casual conversations. The usage to “inform on someone” is also neutral but carries a serious tone.
- Can I use “turn in” in academic writing?
Yes, you can use “turn in” in academic writing when referring to submitting assignments or reports. However, it’s important to maintain a professional tone and ensure that the usage aligns with the context. Avoid using “turn in” to mean “go to bed” in academic writing, as it’s too informal.
- What’s the difference between “turn in” and “submit”?
“Turn in” and “submit” are often interchangeable when referring to handing over assignments or documents. However, “submit” tends to be more formal and is often preferred in professional or academic contexts. “Turn in” can sound slightly more casual, but both are generally acceptable. “Submit” also doesn’t have the other meanings of “turn in” like “go to bed” or “inform on someone”.
- How do I know which meaning of “turn in” is intended?
The meaning of “turn in” is usually clear from the context of the sentence or conversation. Pay attention to the surrounding words and the overall situation to determine the intended meaning. If the context involves assignments or reports, it likely means “submit.” If it’s about someone feeling tired, it likely means “go to bed.”
- Is it correct to say “turn in myself to the police”?
While grammatically understandable, a more natural phrasing would be “turn myself in to the police.” The reflexive pronoun “myself” should be placed between “turn” and “in” for clarity and idiomatic correctness. This emphasizes that the person is voluntarily surrendering to the authorities.
- Can “turn in” be used in the passive voice?
Yes, “turn in” can be used in the passive voice. For example, “The assignment was turned in by all the students” is a grammatically correct passive construction. The passive voice is often used when the action is more important than the actor.
- What are some synonyms for “turn in” (submit)?
Synonyms for “turn in” (submit) include: hand in, submit, deliver, present, file, lodge, tender, and offer. The best synonym to use will depend on the specific context and the desired level of formality.
- What are some synonyms for “turn in” (go to bed)?
Synonyms for “turn in” (go to bed) include: go to bed, retire for the night, hit the hay, go to sleep, and call it a night. These synonyms are generally informal and suitable for casual conversation.
Conclusion
Mastering the phrasal verb “turn in” requires understanding its multiple meanings and the rules governing its usage. From submitting assignments to going to bed and informing on someone, “turn in” is a versatile expression that plays a significant role in everyday English communication. By paying attention to context, object placement, and common mistakes, you can confidently and accurately use “turn in” in your writing and speaking. Remember to practice regularly and refer back to this guide whenever you need a refresher. With consistent effort, you’ll become proficient in using this essential phrasal verb.

I’m James Terban, a teacher with a degree in Education and five years of experience working with students of all ages, from young kids learning their first grammar rules to adults picking up English as a second language. I started Linguistics Guide because I kept seeing good learners hit a wall due to explanations that were either too vague or too complicated. Every article here comes from a real question I have heard in a classroom or seen asked online.
