经典说说大全-经典句子大全-灵儿心情网

经典说说大全-经典句子大全-灵儿心情网

祈使句三种形式?

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祈使句的三种形式如下:

肯定祈使句

Do型:以动词原形开头,后面跟其他成分。例如:

Open the door, please.

Hurry up, or we will be late for the class.

Be型:以“Be”动词开头,后面跟形容词或名词。例如:

Be quiet, please.

Be a good boy!

Let型:以“Let”开头,后面跟宾语和动词原形。例如:

Let me help you.

Let's go for a walk.

否定祈使句

Do型:在动词原形前加“Don't”。例如:

Don't eat in the classroom.

Don't be late for school.

Let型:在“Let”后面加上“not”再加上宾语和动词原形。例如:

Don't let him go back.

Let's not waste time.

Never型:在动词原形前加“Never”。例如:

Never tell a lie.

Never give up.

特殊祈使句

No型:使用“No”加名词或动名词。例如:

No smoking.

Have done型:使用“have done”结构。例如:

Have you finished your homework?

这些形式可以帮助你根据不同的语境和需要,选择合适的祈使句来表达命令、请求、劝告、警告或禁止等。