放在句首的动词有哪些形态?怎么区别?
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放在句首的动词有哪些形态?怎么区别?
![放在句首的动词有哪些形态?怎么区别?](/uploads/image/z/4295386-10-6.jpg?t=%E6%94%BE%E5%9C%A8%E5%8F%A5%E9%A6%96%E7%9A%84%E5%8A%A8%E8%AF%8D%E6%9C%89%E5%93%AA%E4%BA%9B%E5%BD%A2%E6%80%81%3F%E6%80%8E%E4%B9%88%E5%8C%BA%E5%88%AB%3F)
doing ,done ,do ,to do ,四种
doing 用于独立主格结构,表示主动和进行时
For example:
I walking in the street,a stone fell down.
Hearing the news,she laughed..
done 也用于独立主格结构,表示被动和过去时
For example:
Punished,the boy cried.
to do 表目的
For example;
To catch the early bus,he got up early.
以上三种都用于从句
do 用于祈使句,即省略主语 ,可直接作动宾式句子
Open the door ,please.
doing 用于独立主格结构,表示主动和进行时
For example:
I walking in the street,a stone fell down.
Hearing the news,she laughed..
done 也用于独立主格结构,表示被动和过去时
For example:
Punished,the boy cried.
to do 表目的
For example;
To catch the early bus,he got up early.
以上三种都用于从句
do 用于祈使句,即省略主语 ,可直接作动宾式句子
Open the door ,please.