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111课时4课题Unit 4 A Social Survey- My Neighbourhood Grammar课型New教学目标1. The ed form and past tense time expressions.2. Enable the Ss to learn the ed form used as adj. and past tense expressions.3. Help the Ss learn how to use the ed form as adj. and past tense expressions.重点Explain the ed form used in the passage.难点Help the Ss learn how to use the ed form as adj. and past tense expressions.学情分析The Ss can finish the task.教具课件1. A recorder 2. A projector 3. A computer教法Explaining and practising教学程序教学内容（引入、例题、练习题、检测题等）师生活动时间分配Step 1Step 2Step 3Revision Recite New Concept English Book II Lesson 1620Grammar The present perfect tense1. Defination1)现在完成时表示发生在过去的动作对现在所造成的结果和影响。He has just come back from work. (影响:他现在在家)He has gone out.(影响: 他不在这儿)2)表示从过去某时开始而延续至今的动作或状态, 只能用于带有延续意义的动词, 常与for, since等连用。 They have been friends for many years. He has worked in this factory since he was 28.3)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. 2.现在完成时与一般过去时的区别:现在完成时表示某一已经完成的动作对现在造成的结果或影响, 强调的是现在的情况,所以不能与表示过去的时间状语连用; 一般过去时只表示某一动作或状态在过去发生或存在过, 与现在不发生联系,它可以与表示过去的时间状语连用。He has read that book. (说明他现在知道那本书的内容)He read that book last year.(只说明他去年读过那本书 )He has gone to America.(他现在不在此地,在美国)He went to America. (只说明他去过美国)2. Practice1) - Do you know our town at all? - No, this is the first time I _ here. (NMET92) A. was B. am coming C. came D. have been 2) I wonder why Jenny _ us recently. We should have heard from her by now. (NMET 2002) A. hasnt written B. doesnt write C. wont write D. hadnt write 3) - Im sorry to keep you waiting. - Oh, not at all. I _ here only a few minutes. (NMET94) A. have been B. had been C. was D. will be 4) - Who is Jerry Cooper? - _? I saw you shaking hands with him at the meeting. (NMET97) A. Dont you meet him yet B. Hadnt you met him yet C. Didnt you meet him yet D. Havent you met him yet5) The old couple have been married for 40 years and never once _ with each other. (NMET2003) A. they had quarreled B. they have quarreledC. have they quarreled D. had they quarreled6) - How long have you _ the computer? - Over two months. A. had B. bought C. got D. have 3. Complete the conversation. Use the preset tense of the verbs in brackets, and for or since where appropriate. Mike: Hi, Kate. Kate: Hi, Mike. Mike: I havent seen your brother around for a long time. _ he _ (move ) to a new neighborhood? Kate: No, he _ _ (move) to a new country! He _ _ (be) in Australia _ last year.Mike: Australia! Thats great country. _ you ever _ (be) there?Kate: No, I _ never _ (be) there, but I _ _ (decide) to go later this year.Mike: Great! _ your brother _ (send) you any photos _ he moved there?Kate: Yes, in fact, I _ just _ (receive) some. Here they are. This is his new house. He _ recently _ (finish) decorating it.HomeworkEnglish WeeklyLearn & do exxlearn & do exx10341板书 Unit 4 A Social Survey- My NeighbourhoodThe 3rd Period GrammarThe present perfect tense1. Defination1)现在完成时表示发生在过去的动作对现在所造成的结果和影响。 He has just come back from work. (影响:他现在在家) He has gone out. (影响: 他不在这儿)2)表示从过去某时开始而延续至今的动作或状态, 只能用于带有延续意义的动词, 常与for, since等连用。 They have been friends for many years. He has worked in this factory since he was 28.3)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. 2.现在完成时与一般过去时的区别:现在完成时表示某一已经完成的动作对现在造成的结果或影响, 强调的是现在的情况,所以不能与表示过去的时间状语连用; 一般过去时只表示某一动作或状态在过去发生或存在过, 与现在不发生联系,它可以与表示过去的时间状语连用。He has read that book. (说明他现在知道那本书的内容)He read that book last year. (只说明他去年读过那本书 )He has gone to America. (他现在不在此地,在美国)He went to America. (只说明他去过美国)教学后记The Ss cant grasp the usage of ed.111
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