动词不定式主动表被动

动词不定式主动形式表示被动意义

1、 look ，feel ,smell, sound, taste等系动词在句中做谓语

eg. This coat feels very soft and smooth.

Her voice sounds very pleasant..

The dishes taste delicious.

2.有些动词做不及物动词，用来表示主语的内在品性或性质。

动词有wash, clean, cook, iron, cut , sell, read, wear, feel , draw, write , sell 等

eg. The book sells well. This knife cuts easily. My new pen writes well.

3. difficult , hard 等形容词作表语时，其后做状语的不定式用主动形式表被动。

The problem is easy to work out.

The text is difficult to understand.

The man is hard to please.

4.不定式做定语，如果和所修饰的名词是动宾关系，主动表被动。

eg.There is much work to do.

Have you any questions to ask ?

Would you like something to drink ?

5 在need , require, want , worth (adj )后的动名词可以主动表被动

eg . The door needs repairing.

This book is worth reading.

Her mother is ill .She needs looking after.

6．在疑问词what/which/whom+不定式结构中，主动表被动

eg. I don’t know which to choose .

He asked me what to do .

7.在too---to 结构中不定式表被动

eg. This book is too difficult to understand completely.

The tree is too tall to climb.