人教版英语八年级下册现在完成时重点讲解-20课件.pptx

1、学习目标Course Objectives1.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Catalog1 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？nowfuturepast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或状态对现在造成的影响或结果。2.动作从过去一直持续到现在并且可能继续延续下去。nowfuturepastPART 02PART 02现在完成时的结构现在完成时的结构主语+have/has+done+其他.(肯定句)主语+have/has+not+

2、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 havent used our car for a long time.He has lived in Beijing since he w

3、as 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)already: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.

4、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 gone 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 is

5、nt 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 03PART 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

6、finish B.havent finished C.didnt finish D.wont finish3.Where is Tom？He Shanghai.He will be back in two weeks.A.has been to B.has gone to C.has been in 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 from5.He_in this factory

7、for 20 years already.A.will work B.works C.has worked D.is woring6.Zhang Hong went to Canada in 2008.He_there for 10 years.A.lived 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 teaching8.Dont talk loudly he

8、re.My little baby _.A.has gone out B.is sleeping C.sleeps D.went to school9.May I see Mr.Lin,please?Well,Im afraid hes not in at the moment.I think he _ back soon.A.came B.has come C.will be D.was10.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

9、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 thereborrow-keep finish-be overdie-be dead start/begin-be onjoin-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 in3、Hurry up!The play_for ten minutes.A.has begun B.had begun C.has been on D.began 课堂总结