高中时态复习优质课资料.ppt

People used to live in old buildings. Pollution was serious, and there was rubbish everywhere. The environment has become more beautiful. The river is clearer and the sky is bluer. 时　　　态 一、定义： 在英语中， 发生的　　　　　　　 动作要用不同的动词形式来表　　　　 　 示，这每一种不同的形式就叫做时态。 Exercise Exercise 一般过去时的注意点: Exercise 4. 过去将来时态 过去将来时态用法： 表示从过去某时看将要发生的动作或存在的状态； 用于宾语从句中，当主句中是过去时态时，从句中的一般将来时就变成过去将来时。 He said that he would wait for us at the station.他说他要在车站等我们。 1)At college, Barack Obama didn’t know that he _______(become) the first black president of America. 2) he promised that he __________(join) us, but he hasn’t turned up at the party. B. 1.表示某个动作从过去开始一直持续到现在，有可能在将来还要延续。 2. 主语+has/have +done+for/since I have taught English for 21 years. since 1992 since I graduated from the university. He has been away from his home for 40 years. 3. 动词必须为可延续性动词 leave=be away from begin=be on arrive=be in borrow=keep buy=have … C. 1. Has /have +been to(曾经到过某地，人已回来) I have been to Hangzhou many times. 2. Has/have+ gone to(去了某地，人在路上或在目的地） …Where is Mr.Green? …He has gone to London. 过去完成时的注意点: 9. 现在完成进行时态 S+has/have been doing We have been learning English for an hour. 4.--- Where is your father?--- He ___________ (watch) TV in the room. 9 .He’s not hungry. He_____ just________ (have) lunch. 1. Can you go to the movies with me tonight? Sorry, I can’t. I____________ my homework yet. 2.--- I ___________how to make dumplings before. I can teach you how to make them. have learned haven’t finished 译下列句子： ３、这本书他买了一年了 4、 这本书他借了三天了。 5、我们离开广州六年了。 He has bought this book for a year . He has had this book for a year . He has borrowed the book for three days . He has kept the book for 3 days . We have left Guangzhou for 6 years . We have been away from Guangzhou for 6 years . × × × 短暂性动词不能跟表示一段时间的状语连用, 必须转变成持续性动词 D：表示“第几次做某事，”或在 “It is the best (worst, most interestin