非谓语动词的形式非谓语动词包含四种形式,即不定式、动名词、现在分词和过去分词
其中,每种形式按照发生时间和主被动又包括不同的子形式
具体如下:1
不定式①基本形式:to do(表示主动,并且一般表示将来)②被动式:to be done(表示被动,并且一般表示将来)③进行式:to be doing (表示主动和进行)④完成时:to have done(表示主动和完成)⑤完成被动式:to have been done(表示被动和完成)⑥完成进行式:to have been doing (表示主动和完成进行) The teacher told us to do morning exercises
老师让我们做早操
The car to be bought is for his sister
要买的这辆车是给他的姐姐的
She pretended to be reading when the teacher came into the classroom
老师进来时,她假装正在读书
The thief is said to have escaped
据说小偷已经逃跑了
The thief is said to have been arrested
据说小偷已经被抓住了
She is said to have been working in the factory over the last 20 years
据说在过去的 20 年里,她一直在这家工厂工作
动名词①基本形式:doing (表示主动)②被动式:being done(表示被动)③完成式:having done(表示主动和完成)④完成被动式:having been done(表示被动和完成) Travelling in space by ordinary people will be comm