牛津8Bunit1 语法课件（PPT 31页）.ppt

Learning aims 1.To know the present perfect tense. 2.To master the structure of the PPT. ?? 3.To learn the differences between the simple past tense and the present perfect tense. 1 Questions about Reading: (1) How long has Mr. Chen lived in Sunshine Town? (2) When did Mr. Chen get married? (3) There have been many changes in this town. What has the centre of town become? (4) How does Mr. Chen feel from time to time? 一般过去时练习1 I.改错题1.How is Jane yesterday? _____________________ 2.He go to school by bus last week. ____________________________3.He often goes home at 6:00 last month. ____________________________4.I can fly kites seven years ago. ______________________________ 5.Did you saw him just now. ____________________________________6. Tom wasn’t watch TV last night. ____________________________________7.I didn’t my homework yesterday. ____________________________________8.He wait for you three hours ago. ____________________________________ 9.Who find it just now ? ________________________________________ 一般过去时练习2 用所给词的适当形式填空 1． Tom and Mary __________ (come) to China last month.2． Mike ________________(not go) to bed until 12 o’clock last night. So he______ (get ) up late.3． Mary __________ (read) English yesterday morning.4． There _________ (be) no one here a moment ago.5． I ___________ (call) Mike this morning.6． I listened but ___________ (hear) nothing.7． Tom ___________ (begin) to learn Chinese last year.*． Last week we _________ (pick) many apples on the farm. 9． My mother ________________ (not do) housework yesterday. ★一、since短语或从句表示过去的动 作延续至今，since之后的时间为一点。 Mr. Smith has worked here since 1984. （1984年以来，史密斯先生一直在这工作。） He’s learned about 5,000 English words since he went to college. （他上大学以来大约学了五千个英语单词。） ★二、for短语表示动作延续多长时 间，for的宾语为时间段。 1.We have known each other for twenty years. （我们认识有二十年 了。） 2.I haven’t seen her for a long time. （我好久没有见到她了。） 特征 ：2.We also use the present