初中英语人教版八年级下册现在完成时态ppt课件.ppt
Unit8 Have you read Treasure Island yet ?,Section A Grammar Focus4c,授课人：李明银,Objectives,1.To learn the Present perfect tense with already and yet 2.To learn the new words,Revision,Role-play the conversation 2d,Now 2 mins to test your spelling.,1. English-Chinese treasure, island, classic, page, ship, tool, gun, mark, sand, cannibal, land, fiction, technology, French2. Chinese-English 满是的；赶快；预期；做记号；朝；科幻小说,When finished, exchange your papers to see who does the best.,Check preview:,Choose the best answer.,1. Bothhisparentslooksad. Maybe they _ whatshappenedto him . A. knew B.have known C.must know D. will know2. The famous writer _ one new book in the past two years.A. iswriting B. waswriting C. wrote D. haswritten,3. Our country _ a lot so far.Yes. I hope it will be even _. A. haschanged; well B.changed; good C. haschanged; better D.changed; better4. What are you going to do this Sunday? I _ yet. (绍兴市) A. wont decide B. didnt decide C. havent decided D. dont decide,5. - _ you _yourhomeworkyet? -Yes. I _itamomentago. A.Did; do; finished B.Have; done; finishedC.Have; done; havefinished D.will; do; finish6. Harry Potter is a very nice film. I_ it twice. A. will see B. have seen C. saw D. see,现在完成时 Present perfect,定义：表示过去发生或已经完成的某一动作对现在造成的影响或结果。,Language points:,现在完成时的构成：,肯定句: 主语+have/has+过去分词+其他否定句: 主语+havent/hasnt+过去分词 +其他一般 Have/Has+主语+过去分词+ 疑问句：？肯定答语: Yes, 主格代词+have/has.否定答语: No, 主格代词+havent/hasnt.,1. 表示动作到现在为止已经完成或刚刚完成。 I have finished my work. We have set up many new factories.2. 动作发生在过去，强调对现在的结果、 影响等。 Have you ever seen the film “Harry Potter”? Ive spent 3 years in the countryside.,现在完成时-用法,4. 现在完成时可以用在条件或时间状语从句中，表示将来某个时刻之前已经完成的动作。,Ill go home as soon as I have finished my homework. Please lend me that book if you have finished reading it.,yet，在现在完成时句型中常置于句末。 1) 已经，常用在疑问句中。 琳达已看过这本书了吗? Has Linda read the book yet? 你完成家庭作业了吗？ Have you finished your homework yet? 2) 还，仍然，常用于否定句和疑问句。 他还未开始工作。 He has not begun to work yet.,现在完成时-与yet连用,I havent read it yet.Sandy, have you finished the reader yet?3. Have you read Little Women yet?4. Ive already read it. 5. Ive just finished Oliver Twist and 6. Have you heard of them yet?,【例句】,Task1,I _ _ read it _.Sandy, _ you _ the reader_?3. _ you _ Little Women _?4. Ive _ read it. 5. Ive _ _ Oliver Twist and 6. Have you _ them _?,just,Fill in the blanks.,have not yet,have,finished,Have,read,yet,yet,already,finished,heard of,yet,go,Ready?,Task2,同学们要注意现在完成时与一般过去时的区别。虽然这两个时态都和过去发生的事情有关，但是现在完成时强调这一动作与现在的关系，如对现在产生的结果、影响等，而一般过去时只表示过去的事实，不表示和现在的关系。如：,现在完成时与一般过去时,I went home at 10:00 yesterday. I have got home now.我昨天十点回家的。现在我已经到家了。I have already finished my homework. I finished it an hour ago.我已经写完作业了，我是一个小时之前写完的。,Practice,Excuse me. Have you _ (see) my dictionary?Have you _ (find) your wallet yet?I _ already _ (finish) my homework. Lets go out._ you _ (read) todays newspaper yet?,根据所给单词的适当形式填空。,seen,found,have finished,Have read,1. China develops so fast. Thats true. It _ a lot already. (2011安徽芜湖) A. changesB. changed C. will changeD. has changed 2. Julia isnt going to the cinema with us because she _ the film. (2013浙江湖州) A. sees B. saw C. will see D. has seen,实战中考,3. Id like to introduce my best friend to you, Peter. Thank you, Lucy. But we _ already. (2012河南) A. meet B. met C. will meet D. have met4. Kitty, will you go to see the film Cold Mountain this evening? No, I wont. I _ it already. (南京市) A. saw B. have seen C. see D. will see,5. Our school is having a sports meeting. Someone _ here already. (2011黑龙江) A. arrived B. have arrived C. has arrived6. _ you _ the movie Gongfu Panda II？ Not yet. Ill see it this Sunday. (2011四川内江) A. Did, see B. Do, see C. Have, seen,4c,Pairwork,Complete the chart with information about you and a friend.,Summary:,Homework,1. Review the new words and expressions. 2. Make sentences using the Present perfect tense with already and yet. (at least 10 sentences),Preview,1.To preview the new words and expressions2.To preview the conversation,
