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1、2.过去将来时(The Futere-in-the-Past Tense)(1)过去将来时由“助动词would+动词圆形”构成。would常缩略为d。(2)过去将来时的用法过去将来时表示过去的某一时间看来将要发生的动作或存在的状态。过去将来时常用在宾语从句中。如:I didnt know if she would come。I wasnt sure whether he would do it。Wang Lei said that she would visit her uncle next Saturday。过去将来时也可以用“was(were) going to +动词原形”来表示。如:I
2、 didnt know if she was going to come。Wang Lei said that she was going to visit her uncle next Saterday。3.过去完成时(The Past Perfect Tense)(1).过去完成时的构成过去完成时由“助动词had(用于各种人称和数)+过去分词”构成(2).过去完成时的用法过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作,它表示动作发生的时间是“过去的过去”表示过去某一时间可用by,before等构成的短语,也可用when,before等引导的从句或者通过上下文表示。例句By t
3、he end of the match ,they had scored two goals and we had scored four.We had reached the station before ten oclock.When I got there ,you had already started playing .We did as he had told us.He said he had never seen such an exciting match before .By the time we got there,the bus had already gone.4.
4、动词不定式(The Ivnfinitive)(1)动词不定式的基本形式是“to+动词原形”,有时可以不带to,动词不定式(或不定式短语)没有人称和数的变化。在句子中不能作谓语。动词不定式仍保持动词的特点。即可以有自己的宾语和状语。动词不定式同它的宾语或状语构成不定式短语。如:to read the newspaper,to speak at the meeting等(2)动词不定式具有名词,形容词和副词的特征,因此在句中可以作主语,表语,宾语,宾语补足语、定语,状语作宾语She wanted to borrow my CD player.They began to read and write。作状语She went to see her grandma last Sunday。He came to give us a talk yesterday。作宾语补足语Lucy asked him to turn down the radio。She asked me to speak louder。She found him to be a very good pupil。