1.祈使句的肯定式
直接以动词原形或be,let等开头。
Follow the rules of the road.
遵守交通规则。
Be careful next time!
下次小心!
Let's have a meeting this afternoon.
今天下午我们开一个会吧。
Let me have a try if you don't want to.
如果你不想,就让我试一试吧。
2.祈使句的否定式
(1)Do not/Don't /Never+动词原形
Don't be late tomorrow.
明天不要迟到。
Never put off what you should do till tomorrow.
今日事今日毕。
(2)Let型祈使句的否定式常用Let's not...
Let's not waste time.
咱们别浪费时间了。
(3)No+名词/动名词(此类否定祈使句多表示禁止)
No smoking!
禁止吸烟!
No photos in the room.
该房间不许拍照。
3.祈使句的反意疑问句
(1)祈使句为肯定句,其反意疑问句用will you/won't you。
Come to have dinner with us this evening,won't you?
今晚来和我们一块儿吃饭,好吗?
Turn down the TV,will you?
把电视声音,调小一些,可以吗?
(2)祈使句为否定句,其反意疑问句用will you。