动词不定式

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动词不定式 to do 中的to？词性

主语 to do is good

形式主语It is good  to do  ,it 为to do

宾语 he likes to eat it

he stops to eat it 停止手里事去吃

He forget to eat it 忘记去吃，事情还没做

形式宾语

I think it important to do them ,it 为to do them

宾补

I expect them to eat them

i make him eat it

He saw the rabbit eat a carrot 吃全过程

See watch find

have make let 使动词不加t

定语

he has lots of food to eat

状语

I was surprised to get it 原因because

i will do anything to get it 目的in order that

I got it to make them 结果 so that

状态结合

He seems to be eating it 过程中

He will appear to have eaten it 之后看起来像已经做