Imperatives are one of the most practical grammar structures in English. Every recipe, road sign, safety notice, instruction manual and classroom direction relies on imperatives. From Turn left at the junction to Don’t open until Christmas, the imperative mood lets speakers issue commands, give instructions, make requests and offer advice directly and efficiently. Because imperatives use the base form of the verb without a subject, they are structurally simple — but using them naturally and politely requires an understanding of tone, context and softening strategies.
Positive Imperatives
A positive imperative uses the base form of the verb (the infinitive without to) directly, with no subject. The understood subject is always you — singular or plural.
- Sit down, please.
- Open your books to page 12.
- Go straight ahead and turn right.
- Add two cups of flour and mix well.
- Be quiet during the exam.
Note that the verb be also uses its base form in imperatives: Be careful! Be yourself.
Negative Imperatives
To form a negative imperative, place do not (or the contraction don’t) before the base verb. Never can also be used for strong prohibitions or warnings.
- Don’t touch the wet paint.
- Do not leave valuables in the car.
- Never open this door during a fire alarm.
- Don’t be late for the interview.
Never is stronger than don’t and is common in safety warnings, moral advice and strong instructions. In writing, do not is more formal than don’t.
Softening Imperatives: Please, Could You and Other Strategies
A bare imperative can sound abrupt or even rude depending on context. English speakers use several strategies to soften commands into polite requests:
- please (at the start or end): Please close the window. / Close the window, please.
- Could you / Would you + base verb: Could you pass the salt? Would you mind opening the door?
- Would you mind + -ing: Would you mind waiting a moment?
- Let’s (for inclusive suggestions): Let’s start the meeting. Let’s not argue about this.
The choice between a direct imperative and a polite form depends on the relationship between speakers, the formality of the situation, and cultural context. In classrooms, cookbooks and sports coaching, direct imperatives are completely normal. In professional emails or when speaking to strangers, a polite form is usually preferred.
Grammar Pattern
| Type | Structure | Example |
|---|---|---|
| Positive imperative | Base verb (+ object/complement) | Stop the car. |
| Negative imperative | Don’t / Do not + base verb | Don’t stop the car. |
| Strong prohibition | Never + base verb | Never mix these chemicals. |
| Polite request (please) | Please + base verb / base verb + please | Please sit down. / Sit down, please. |
| Inclusive imperative | Let’s + base verb | Let’s go! |
| Negative inclusive | Let’s not + base verb | Let’s not waste time. |
Uses of Imperatives
Imperatives appear in a wide range of real-world contexts:
- Instructions and directions: Turn left. Follow the signs. Press the red button.
- Recipes: Preheat the oven to 180°C. Add the eggs one at a time. Bake for 25 minutes.
- Warnings and safety notices: Mind the step. Do not lean out of the window. Wear protective gloves.
- Advice: Drink plenty of water. Don’t skip breakfast. Get eight hours of sleep.
- Classroom language: Open your books. Work in pairs. Don’t look at your partner’s paper.
- Advertising slogans: Just do it. Think different. Don’t be ordinary.
Common Mistakes
- Adding a subject: Learners sometimes write You sit down instead of Sit down. Adding you to an imperative sounds confrontational or unnatural in most contexts.
- Using the wrong verb form: Writing To open the window or Opening the window instead of the simple base form Open the window.
- Forgetting do not for negatives: Writing Not open the door instead of Do not open the door or Don’t open the door.
- Confusing let’s and let us: Let’s go is an inclusive suggestion; Let us go in a formal context means “allow us to go” — a request directed at someone with authority.
Practice Exercises
Complete the Sentence
Supply the correct imperative form — positive, negative or polite.
Grammar Quiz
Multiple-choice: identify imperative type and choose the correct structure.
True or False
Decide whether imperative sentences are correct or contain an error.
Cloze Dropdown
Fill gaps in instructions and recipes with the correct imperative form.
See also: English Grammar Guide and All Grammar Topics.
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