1如何去掉羞怯那层茧

2．被动语态的时态形式

常用的被动语态有表1 所列的几种时态形式。

表1

时间一般时进行时完成时

现在 am asked am being asked

is asked is being asked

are asked are being asked

过去

was be asked was being asked

were be asked were being asked

将来 shall be asked shall have been asked

will be asked will have been asked

过去 should be asked should have been asked

将来 would be asked would have been asked

3．短语动词的被动语态

短语动词转换为被动语态时，通常被看作是一个动词，后面的介词或副词不能拆开或省略。例如：

1）So far no correct conclusion has arrived at.

2）All the rubbish should be got rid of.

4．“get + -ed分词”的被动语态