1. The imperative
The imperative is mainly used to give commands, orders, instructions, warnings...
2. How do we use the imperative?
- Affirmative formIn affirmative sentences, we use the verb in infinitive followed or not by a complement. There's no subject because it is understood that it is you.Look!Call the police!
- Negative formIn negative sentences, we use the form don't (or do + not) followed by the verb in the infinitive.Don't play inside the house!Do not talk.
3. Other uses of the imperative
The imperative can also be used in the following cases:
Let's (contracted form of let us) is a very common imperative form that is used when we include ourselves in the sentence. It is usually used to make invitations or suggestions when we want someone to do something with us, but it cannot be considered an order.
- Affirmative formIn affirmative sentences we will put let's followed by a verb in the infinitive and a complement.Let's go out tonight!Let's watch a film.
- Negative form
In negative sentences, we will use the let's construction followed by the particle not, plus the verb in the infinitive and the complement.Let's not talk about it.Let's not smoke here.
|AFFIRMATIVE||Infinitive + (complement)||Take the books!|
|NEGATIVE||Do not / Don't + infinitive + (complement)||Don't open the window!|
|AFFIRMATIVE||Let's + infinitive + (complement)||Let's take the books!|
|NEGATIVE||Let's + not + infinitive + (complement)||Let's not fight!|