九年级仁爱版英语上Unit_1_现在完成时态课件概要.ppt

( ) 9 ---- Have you seen the film ______ ? ----Yes , I saw it three years _____. A ago ; before B before ; ago C ago ; ago D before ; before ( ) 10 Tom _____ the CD player for two weeks ____. A has seen , yet B haven’t seen ; yet C hasn’t seen ; already D hasn’t seen ; yet B D ( ) 11 I _____ the story book for a week . A have bought B have borrowed C have had D have sent ( ) 12 Hurry up ! The film _____ for ten minutes . A has been on B began C has begun D had begun ( ) 13 The train ______ for ten minutes A arrived B went C has left D has been away C A D ( ) 15 In Beijing many people ______ the Great Wall many times already . A have gone to B have been to C went to D go to ( )16 It’s five years since __________. A he left B he has been away C he has left D he leaves B A Exercises I am an American boy I came to China two years ago. I _____(study) here for two years. My father often (take) me_____ (play) football on the playground. Last week I ___ (take) to the park by him. We saw a lot of monkeys (jump) in the tree. I heard a voice from behind When I (walk) along the river. I thought myself. “It must_____ (be) Mr. Brown. He __(take) photos.” We___ (enjoy) that day. We ____ (go) back to America next week. have studied takes to play was taken walked jump be is taking enjoyed will go Present Perfect Tense 现在完成时 Present perfect tense 现在完成时 构成: have/has + 过去分词 （过去分词的变化分规则与不规则两种。 规则变化与过去式相同，不规则变化需要另记 ） 过去分词的构成 (1)规则动词的过去分词和它的过去式相同,即在原形后加－ed（以e 结尾的加－d） work- worked arrive- arrived (2). 以y结尾的改y为i+ed study- studied try-tried (3).以重读闭音节结尾的双写最后一个字母＋ed stop-stopped drag-dragged (4).有些动词的过去分词是不规则的，需要 逐个记忆。（背熟不规则动词表） go- gone take- taken A.肯定句 主语＋助动词have\ has + 动词过去分