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。 2. 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 common in the future.在未来，普通人在太空旅行将会是普遍的事情。 Freddy and his band could go nowhere without being followed by their fans. Freddy 和他的乐队到哪里都被他们的粉丝跟着。 I have no idea of his having done such a thing against you. 我不知道他做过这样一件违背你的事情。 Many customers complain of having been given short weight at that shop. 很多顾客抱怨在那家商店被缺斤少两过。 3. 现在分词①基本形式：doing （表示主动和进行）②被动式：being done（表示被动和进行）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） He sat there，reading a newspaper. 他坐在那里，读着一张报纸。 The area being studied may be rich in coal. 这个正在被研究的地方可能富含煤。 Having finished my ...
