2017届高考英语一轮语法同步课件：第6节　动词的时态和语态（新课标）_高考复习指南

2017届高考英语一轮语法同步课件：第6节　动词的时态和语态（新课标）

　　(3)while 时间状语从句中用短暂动词时只能用进行时。

　　He broke a chair while he was jumping up and down.

　　(4)while 所在主从句动作大致持续相等时主从句一般都用进行时，但若是持续动词可都用一般过去时，两个动作一长一短时短的用一般时，长的用进行时。

　　I was cooking the dinner while he was playing the piano.(平行)

　　9．过去完成时 (1)能用这种时态的动作肯定发生在“过去的过去”，句中有明显的参照动作或时间状语，这种时态从来不孤立使用。 They finished earlier than we had expected. 他们完成得比我们想象的要早。 He had known the news before I told him it.

　　我告诉他消息之前他就已经知道了。 (2)用在hardly/scarcely…when…； no sooner…than…的句型中，主句用过去完成时，从句用一般过去时。 I had hardly finished my work when he came to see me. 他来看我时我刚刚完成工作。 (3)表示“第几次做某事”和“自从……多长时间”，主句用一般过去时，从句用过去完成时。 That was the second time that she had seen her grandfather. 那是她第二次看到她的外祖父。 (4)动词hope, expect, think, intend, mean, want, suppose, plan用于过去完成时，表示“过去未曾实现的愿望，打算和意图”。 I had intended to see you but I was too busy. (也可以是 I intended to have seen you but I was too busy.) 我本想去看你，但我太忙了。 10．过去将来时 (1)一般用于主句为过去时的宾语从句中。 He said he would stay with us. 他说他要与我们待在一起。 (2)“was/were going to ＋动词原形”或“was/were ＋动词不定式的完成式”可表示未能实现的过去将来时间的动作。