Key Takeaways
  • Imperative sentences use the base form of the verb with no subject — the subject you is always implied.
  • They serve four main purposes: giving commands, issuing instructions, making warnings, and offering polite requests.
  • Adding please or softening phrases like Could you… turns a blunt command into a polite request.
  • Negative imperatives are formed with Do not / Don't + base verb: "Don't touch the screen."
  • The imperative is one of the first grammar structures learners encounter — but mastering its nuances (politeness, tone, context) takes deliberate practice.

Ready to test your imperative skills right now? Try Imperatives Exercises →

Every day you encounter imperative sentences dozens of times — on road signs, in recipes, in instruction manuals, and in everyday conversation. "Turn left here." "Add two eggs." "Please take a seat." These are all imperatives, and they are one of the most versatile and frequently used sentence types in English. This guide explains exactly how they work, when to use them, and how to avoid the mistakes that trip up learners at every level.

What Is an Imperative Sentence?

An imperative sentence is a sentence that gives a direct command, an instruction, a warning, or a request. Unlike declarative sentences (which make statements) or interrogative sentences (which ask questions), imperatives are designed to get someone to do something. They are direct by nature, which makes tone and context especially important.

The defining grammatical feature of an imperative is simple: there is no explicit subject. The subject is always the implied second person — you — whether singular or plural. This makes imperatives shorter and more immediate than other sentence types.

Imperatives vs. Other Sentence Types

Sentence typePurposeExample
DeclarativeStates a fact"You close the door."
InterrogativeAsks a question"Could you close the door?"
ImperativeCommands / requests action"Close the door."
ExclamatoryExpresses strong emotion"What a noise they're making!"

How to Form Imperative Sentences

The structure of an affirmative imperative is straightforward: base verb + (object/complement). The base form (also called the infinitive without to) is used for every subject and every tense context — there is no conjugation.

Affirmative Imperative Structure

Formula: [Base verb] + [object or complement]

"Open the window."

"Write your name at the top of the page."

"Listen carefully to the instructions."

"Be quiet during the exam." (using the verb be)

Note on “be”: The verb be behaves differently from other verbs in the imperative. You use the base form be rather than are: "Be patient" not "Are patient."

One point that confuses learners is that verbs ending in -s in the third-person present simple do not take that -s in the imperative. The base form is always used regardless of who is being addressed.

Third-person presentImperative (correct)Imperative (incorrect)
He sits down."Sit down.""Sits down." ✗
She reads the text."Read the text.""Reads the text." ✗
He takes his time."Take your time.""Takes your time." ✗

The Four Main Uses of Imperatives

Imperatives are flexible. The same grammatical structure covers a wide range of communicative purposes — from sharp commands to warm invitations. Understanding the context helps you use the right tone.

1. Commands

Commands are direct instructions from a person in authority (a teacher, a boss, a parent) or in urgent situations. The tone tends to be firm or even sharp.

  • "Stop talking and pay attention."
  • "Submit your reports by Friday."
  • "Stand back — the door is opening."

2. Instructions

Instructions explain how to do something step by step. You find this use in recipes, manuals, guides, and tutorials. The tone is neutral and informative rather than bossy.

  • "Preheat the oven to 180°C."
  • "Click the ‘Settings’ icon in the top right corner."
  • "Mix the flour and butter until the mixture resembles breadcrumbs."
  • "Allow the paint to dry completely before applying a second coat."
Pro tip: In written instructions, imperatives are often softened with adverbs: "Carefully remove the cover" or "Gently stir the mixture." These adverbs signal that precision or care is needed without adding extra words.

3. Warnings

Warnings alert someone to danger or a negative outcome. They are typically stronger in tone than instructions and may be accompanied by exclamation marks in writing.

  • "Watch out — the floor is wet!"
  • "Don't touch that wire."
  • "Keep out of reach of children."
  • "Back up your files before updating the software."

4. Polite Requests and Invitations

Imperatives can also be warm and welcoming. Adding please, softening the verb choice, or adjusting your intonation transforms a command into a friendly invitation.

  • "Come in and make yourself comfortable."
  • "Help yourself to coffee — it's freshly made."
  • "Have a seat, please."
  • "Try one of these — they're delicious."

Negative Imperatives

To make an imperative negative, place do not (or the contraction don't) before the base verb. This is the only way to form a negative imperative in English — there is no other construction.

Negative Imperative Structure

Formula: Do not / Don't + [base verb] + [object]

"Don't open the window." (informal)

"Do not open the window." (formal / written notices)

"Don't be late for the meeting."

"Do not feed the animals." (public sign)

The full form do not appears most often on formal signs, official notices, and written instructions where a firm tone is required. In everyday speech and informal writing, don't is by far the more common choice.

AffirmativeNegative
"Turn the volume up.""Don't turn the volume up."
"Use your phone in class.""Do not use your phone in class."
"Be nervous — you'll do brilliantly.""Don't be nervous — you'll do brilliantly."
"Forget to save your work.""Don't forget to save your work."

Making Imperatives Polite

A bare imperative can sound abrupt or even rude depending on the situation, even when no rudeness is intended. English speakers have several strategies for softening commands into polite requests.

Strategies for Polite Imperatives

StrategyExampleTone
Add please"Close the door, please."Neutral → polite
Add a tag question"Close the door, would you?"Friendly, slightly indirect
Use do for emphasis + warmth"Do have some more cake."Warm, inviting
Soften with an adverb"Kindly refrain from smoking."Formal, polite
Use could you instead"Could you close the door?"Polite question form
Pro tip: The position of please matters subtly. "Please close the door" (please at the start) sounds slightly more formal or urgent. "Close the door, please" (please at the end) is the most common, neutral placement. Either is correct — choose based on context.

The emphatic imperative with do — as in "Do come in" or "Do try the sample" — deserves special attention. It sounds warm and encouraging rather than commanding. You will hear it most often from hosts welcoming guests or from people urging someone to try something.

Imperatives in Real Contexts

Understanding where imperatives appear helps you read and produce them naturally. They are used constantly across a wide range of written and spoken contexts.

Recipes and Cooking Instructions

"Bring a large pan of salted water to the boil."

"Add the pasta and cook for ten minutes, stirring occasionally."

"Drain well and toss immediately with the sauce."

"Serve at once with grated parmesan."

Public Signs and Official Notices

  • "Keep left." (road sign)
  • "Mind the gap." (London Underground)
  • "Do not lean out of the window." (train warning)
  • "Press the button and wait." (pedestrian crossing)
  • "Wash hands before handling food." (hygiene notice)

Classroom and Academic Contexts

  • "Read the passage and answer the questions below."
  • "Circle the correct option in each sentence."
  • "Do not write in the margins."
  • "Discuss your answers with a partner before checking."
  • "Refer to the glossary on page 48 if needed."

Common Mistakes with Imperatives

Even learners who understand the basic rule make consistent errors with imperatives. Here are the most frequent mistakes and how to correct them.

Mistake 1: Including the Subject

Incorrect: "You sit down, please." (sounds accusatory in English)

Correct: "Sit down, please." or "Could you sit down?"

Including you before the verb is grammatically possible in English but carries a strong, often confrontational emphasis. It is fine in very specific emotional contexts ("You stay right there!") but should generally be avoided in neutral instructions.

Mistake 2: Using the Wrong Verb Form

Incorrect: "To open the file, clicking the icon."

Correct: "To open the file, click the icon."

Learners sometimes confuse the imperative with the gerund (-ing form) or infinitive with to. The imperative always uses the plain base form of the verb with no auxiliary and no -ing ending.

Mistake 3: Forming Negatives Incorrectly

Incorrect: "Not open the door."

Incorrect: "No open the door."

Correct: "Don't open the door." / "Do not open the door."

A very common error among speakers of Romance languages is placing no or just not before the verb without the auxiliary do. In English, the negative imperative must use do not / don't.

Mistake 4: Over-using Imperatives in Polite Contexts

Too direct: "Send me the report."

More appropriate in professional English: "Could you send me the report?" or "Please send me the report at your earliest convenience."

In English workplace culture, bare imperatives in emails or professional requests can read as impolite or demanding, even when this is not the intention. Adding please or reformulating as a question is always safer in formal or professional settings.

Practise imperative sentences today

Test your understanding with interactive grammar exercises — free, no sign-up needed.

Start Imperatives Exercises →

Frequently Asked Questions

What is an imperative sentence in English?
An imperative sentence is a sentence that gives a direct command, instruction, warning, or polite request. It uses the base form of the verb (with no conjugation), and the subject — always the implied you — is left out. Examples include "Sit down," "Open the file," and "Please take a seat." Imperatives are one of the four main sentence types in English alongside declaratives, interrogatives, and exclamatives.
How do you form a negative imperative in English?
Negative imperatives are formed with do not (formal) or don't (informal) placed directly before the base verb. For example: "Don't touch the screen," "Do not enter," "Don't be late." Never use not or no alone without the auxiliary do — "Not touch the screen" is incorrect in standard English.
Is it rude to use imperative sentences in English?
Not necessarily — it depends entirely on context, tone, and relationship. In instructions, recipes, and signs, imperatives are completely neutral. In conversation, a bare imperative without please can sound blunt, especially to native English speakers from British or Australian backgrounds where indirect politeness is valued. Adding please, using a tag question ("Close the window, would you?"), or switching to a question form ("Could you close the window?") makes the same request sound polite and considerate.
Can imperative sentences have a subject?
In standard imperative sentences the subject is omitted because it is understood to be you. However, English does allow you to name a specific person or group for clarity or emphasis: "Everyone sit down," "Students, close your books," or "You, wait here." The last form in particular ("You, wait here") carries a very strong, sometimes confrontational tone and should be used carefully. In most everyday imperatives, leaving the subject out is the natural choice.
What is the difference between “Do come in” and “Come in”?
Adding do before the imperative verb creates an emphatic or warm imperative. "Come in" is a standard invitation, while "Do come in" sounds warmer, more encouraging, and slightly more formal. The emphatic do is used in situations where you want to make someone feel genuinely welcome or to encourage them to do something: "Do have some more," "Do try the cake," "Do let me know if you need anything." It is a feature of polite, educated British English in particular.
How do imperatives work in reported speech?
When you report an imperative in indirect (reported) speech, you use the structure told + object + (not) to + infinitive. For example: Direct: "Close the door." Reported: "She told me to close the door." Negative: "Don't run." Reported: "The teacher told the students not to run." The imperative form itself disappears — it is replaced by this infinitive construction. See our guide on Direct and Indirect Speech for full details.
What verb tense is used in imperative sentences?
Imperatives do not belong to a tense in the traditional sense — they use the base form (plain infinitive) of the verb, which is the same as the present simple for all persons except third-person singular. Because imperatives refer to future actions that the listener is being directed to perform, they inherently carry a future meaning: "Sit down" means "you will sit down now." There is no past imperative in English.
Can imperative sentences end with a question mark?
Imperative sentences end with a full stop (period) in most cases, or an exclamation mark when strong urgency or emotion is intended: "Watch out!" or "Stop!" If you add a tag question to an imperative, a question mark is used at the end: "Close the window, would you?" However, a standard imperative like "Pass me the salt" always ends with a full stop — not a question mark — even when it functions as a polite request.
How are imperatives used differently in British and American English?
The grammar of imperatives is identical in British and American English. The main differences are cultural and tonal. British English tends to favour more indirect phrasing in polite contexts, so a bare imperative ("Give me that") may be perceived as ruder in British settings than in American ones, where directness is more culturally accepted. Both varieties use "please" to soften requests, but British speakers are also more likely to add tag questions ("Pass me that, would you?") or use the emphatic do form ("Do sit down").
Where can I practise imperative sentences interactively?
LexFizz offers free interactive grammar exercises specifically targeting imperatives at /grammar/imperatives/. You can also use the Cloze Dropdown and Complete the Sentence exercises to practise forming imperatives in context. All exercises are free and require no account or sign-up.