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《Grammar》精品PPT课件优质课下载
No smoking!
Don’t drink!
Attention!
Parking!
What do they mean?
Grammar-1. Look & Say Look at the signs and say what they do.
Don’t go faster than 90 kph.
Turn right.
Don’t walk. / No pedestrians.
Don’t turn left. / No left turn.
Don’t stop. / No parking
They give instructions
一.祈使句的定义
用于表达命令、请求、劝告、警告、禁止等的句子叫做祈使句。
Look at the following sentences:
Go and wash your hands. (去洗手。——命令)
Be quiet, please.(请安静。——请求)
Be kind to our sister. (对姊妹要和善。——劝告)
Look out!Danger!(小心!危险!—警告)
Keep off the grass. (勿践草坪。——禁止)
Can you tell me what are imperatives?
定义:
祈使句无_____,主语you常______;
动词_____谓语当,句首加_____变否定;
主语