人教版go for it 八年级下册英语现在完成时重点讲解ppt课件.pptx

1、学习目标 Course Objectives 1. 掌握现在完成时的用法和结构 2. 掌握现在完成时的基本应用 目录 Catalog 1 现在完成时的用法 2 现在完成时的结构 3 综合练习 4 课堂总结 PART 01PART 01 现在完成时的用法 现在完成时的用法 复习 目前我们学过哪些时态？ now future past 现在完成时的用法 现在完成时的两个用法 1. 强调过去发生的动作戒状态对现在造成的影响戒结果。 2. 动作从过去一直持续到现在并且可能继续延续下去。 now future past PART 02PART 02 现在完成时的结构 现在完成时的结构 主语+ have/

2、has + done+其他. (肯定句) 主语 + have/has + not + done +其他. (否定句) Have/has + 主语 + done +其他? (一般疑问句) I have finished my homework. 现在完成时的结构 I dont want to go with you. I have seen it twice. I saw it twice last week. I have lived in Beijing for ten years. 分析 现在完成时的结构 时间状语 for+时间段时间段 since+ 时间点时间点 句子句子 We have

3、nt used our car for a long time. He has lived in Beijing since he was a little boy. He has lived in Beijing since 1986. 现在完成时的结构 常与常与 already, just, yet, ever, never和和before等标志词连用等标志词连用 I have already lost the key. (我现在没有钥匙) I have just cleaned my hands. (手是干净的) He hasnt come back yet. (还没回来) alread

4、y: 常用于肯定句中 just:常用于肯定句中 yet: 常用于否定句、疑问句尾 现在完成时的结构 练习 1. I _ (finish) my homework already. 2. This is the best film I _ ever _ (saw). 3. They_ their homework yet. (finish) 4. I_(see) her before, but I cant remember where. 5. I_(see) her last week. 现在完成时的结构 结构辨析 have/has been to+地点 “去过，已回” have/has go

5、ne to+地点 “去了，未回” They have been to Beijing. They have gone to Beijing. 1. May I speak to Mr. Smith? Sorry, he isnt here. He_ Changsha. A. has been to B. has gone to C. went to 2. Where is your brother? He _ the shop. Hell be back soon. 3. _ you ever _ to America? Yes, I _ New York twice. 练习 PART 03P

6、ART 03 综合练习 综合练习 1. Congratulations! You the exam. A. pass B. will pass C. passed D. have passed 2. I cant join you. I my homework. A. dont finish B. havent finished C. didnt finish D. wont finish 3. Where is Tom？ He Shanghai. He will be back in two weeks. A. has been to B. has gone to C. has been i

7、n D. has gone in 综合练习 4. I _Mr. Smith since he moved to Shanghai. A. didnt hear from B. dont hear from C. wont hear from D. havent hear from 5. He_in this factory for 20 years already. A. will work B. works C. has worked D. is woring 6. Zhang Hong went to Canada in 2008.He_there for 10 years. A. liv

8、ed B. lives C. is living D. has lived 综合练习 7.Is your mother a teacher? Yes, she is. She _ at a junior high school. A. taught B. teaches C. will teach D. is teaching 8. Dont talk loudly here. My little baby _. A. has gone out B. is sleeping C. sleeps D. went to school 9.May I see Mr. Lin, please? Wel

9、l, Im afraid hes not in at the moment. I think he _ back soon. A. came B. has come C. will be D. was 10. Have you read a book called Jane Eyre? Who _ it? A. writes B. has written C. was writing D. wrote 拓展短暂性动词和延续性动词 概念 拓展短暂性动词和延续性动词 短暂性动词与延续性动词的转换 leave-be away go-be there borrow-keep finish-be ove

10、r die-be dead start/begin-be on join-be in/be a member of arrive/reach-be(in) buy-have come-be here 拓展短暂性动词和延续性动词 巩固练习 1、-The boy misses his parents very much. - So he does. They_the hometown for nearly two years. A. have left B. will leave C. have been away 2、His father_the Party since 1998. A. joined B. has joined C. was in D. has been in 3、Hurry up! The play_for ten minutes. A. has begun B. had begun C. has been on D. began 课堂总结