内容正文:
Grammar
Turn left!
Guessing Game
Turn right!
Guessing Game
Walk on the zebra crossing!
Guessing Game
Guessing Game
Don’t smoke!
No smoking!
Guessing Game
Don’t park your car!
Guessing Game
Don’t pick the flowers!
Read and observe(观察)
Turn left!
Turn right!
Walk on the zebra crossing!
Don’t smoke!
Don’t park your car!
Don’t pick the flowers!
They are all imperative sentences.(祈使句)
句子
祈使句的结构如下:
do sth
Don’t do sth.
肯定:
否定:
祈使句表示请求、命令、建议等等。
谓语动词一律用原形。
句子中通常不用主语,句末用感叹号或者句号。
Draw the conclusion (得出结论)
祈使句句式详解
1. 肯定的祈使句
(1)动词原形+其他
Stand up, please. = Please stand up. 请起立。
(2) Be + adj.
Be careful! = Look out! = Take care! 小心 / 当心!
(3) Let's + 动词原形
Let’s go to school together. 咱们一起上学去吧。
祈使句句式详解
2. 否定的祈使句
(1) Don't + 动词原形
Don't stand up. 别站起来。
Don't be careless. 别粗心。
Don't let them play with fire. 别让他们玩火。
(2) Let's ( let sb ) + not + 动词原形
Let's not say anything about it. 对于这件事,咱们什么也别说。