非谓语动词(不定式)讲解及练习 The Minister of Finance is believed ____ of imposing new taxes to raise extra revenue. A.that he is thinking B.to be thinking C.that he is to think D.to think 英语非谓语动词有三类： 1.不定式：具有n. adj. adv. 特征，在句中担任除谓语外任何成分； 2.动名词：具有n. 特征，在句中可作主语、宾语、定语、表语； 3.分词：具有adj. adv. 特征,在句中可作主语、表语、宾补、状语；｛现在分词：present participle， 过去分词：past participle ｝ 不定式非谓语动词的用法及区别： to do(not to do)一般式（否定） to be doing 进行式 主动 to have done 完成式 to have been doing 完成进行式 to be done 一般式 被动 to have been done 完成式 *一般式：不定式表示的动作与谓语动词表示的动作同时发生，或者在谓语动词表示的动作之后发生。 1.I’m glad to see you. (同时发生) 2.They invited us to come to a party.（不定式动作后发生） 3.The computer to be produced is of a new type. (被动) 4.You must promise never to do that again. *进行式：谓语动词表示的动作发生时，不定式表示的动作正在进行。 1.They are said to be building another bridge over the river. 据说他们正在这条河上修另一座大桥。 2.I'd rather read than watch television; the program seem to be getting worse all the time.(1997.1) 我宁愿看书也不愿意看电视，电视节目好像越来越差了。 *完成式：不定式表示的动作发生在谓语动词表示的动作之前 1.The bank is reported in the local newspaper to have been robbed in broad daylight yesterday.(2001.1) 2.They were reported to have discovered anthor ancient tomb in this area. 据报道他们在这片区域发现了另一座古墓。 *完成进行式：在谓语动词表示的动作发生前，不定式表示的动作一直在进行。 1.They are said to have been collecting folk songs there. (= It is said that they have been collecting folk songs there.) *不定式（短语）作主语通常转化成 “It + is/was + adj./n. + 不定式（短语）”, 其中it 是形式主语(form subject...
