常用的助动词有be、have、has、had、do、does、did、will和shall等。 1.助动词be(am,is,are,was,were) (1)助动词be+现在分词,构成进行时。 They asked me what I was doing all afternoon.他们问我整个下午在干什么。 (2)助动词be+过去分词,构成被动语态。 English is...
非谓语形式有三种:1、动词不定式:to do 2、动词的ing : doing 3、动词的过去分词:done。其中不定式表示目的和将来;动词的ing表示主动和进行;过去分词表示被动和完成。 二、非谓语动词的...
解析:根据句意,Tim Bemers-Lee创立万维网应该是过去的事情,而且be considered后面应该用动词不定式,所以应该用to have done,答案为A。 原则四、非谓语动词作定语时,表示将来用-to do,表正在进行用-ing,表示已经完成用-ed 例7. The play___ next month aims mainlyto r...
1、宾语从句的引导词 1. 陈述句充当宾语从句时,用that引导,that无词义,在口语或非正式文体中常省略。 I hope (that) you will enjoy our performance. She told us (that) the score wa...
C. He plans to go skiing during his spring break. D. He doesn’t recommend going to central mountains. Section B Directions: In Section B, you will hear two passages and on...
更多内容请点击：2023中考英语专项复习专题六:动词及动词短语