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1、现在完成时学案Step1: Have a dictation.Step2: Lead-inAn exciting trip激动人心的旅行I have just received a letter from my brother,Tim.He is in Australia.He has been there for six months.Tim is an engineer.He is working for a big firm and he has already visited a great number of different places in Australia.He has
2、just bought an Australia car and has gone to Alice Springs,a small town in the centre of Australia.He has never been abroad before,so he is finding this trip very exciting.找出短文中用的最多的时态，分别有哪些句子？Step3: Explanation现在完成时1.表示过去发生的动作对现在造成的影响或结果。I have just had my breakfast. (现在我不饿)2.表示过去已经开始，持续到现在的动作或状态，常
3、与for或since引起的一段时间状语连用。I have lived here for six years.I have lived here since 2007/six years ago.现在完成时动词构成 have /has+v 过去分词否定 havent/ hasnt done 疑问 Have you? Has he?练习1.I have finished my homework. 2.He has finished his homework.1).第一句变成否定句；2).第二句变成一般疑问句并回答。have(has)been和 have(has)gone的区别have(has)be
4、en: 表示曾经到过某地，人现在不在某地。have(has)gone：表示已经去过某地了，人现在在去某地的路上或已经在某地了。翻译：Where has he been? 他去哪儿的？（他已经回来了）Where has he gone? 他去哪儿了？（他不在这里）练习：She has been to Shanghai. She has gone to Shanghai.注意1.现在完成时句中常见的时间状语A.表示从过去一直持续到现在,不能是具体过去时间（1）For+表示一段时间的短语（2）since+表示过去时间点的词语（3）since+表示过去时间的时间状语从句eg.I have been a
5、 teacher _ a year.He has been at this school _ 1992. We have learned 1,000 English words _ we came to this school.B.just,already,yet,before/ ever,never 有此类副词时,常强调动作完成,不强调动作的持续.eg.Have you _been to Japan? I have _ finished my homework. I have finished my homework _. I havent finished my homework _.2.
6、区分延续性动词与非延续性动词. 表示短暂性(瞬间性)的动词在现在完成时的句中不能和一段时间连用.短暂性的动词如：come，go，join，leave，buy等，在完成时态中不能与for,since短语或How long等引起的时间状语连用。判断下面两句的正误I have bought this pen for two months.I have had this pen for two months.延续性动词与非延续性动词之间的转换 leave - be away borrow - keep buy - have begin/start - be on die - be dead finis
7、h - be over open sth - keep sth open fall ill - be ill get up-be up catch a cold - have a cold come here - be here go there - be there become - be come back - be back fall asleep - be asleep get to/ arrive/reach - be (in) leave - be away from get to know - know go (get) out be out put on wear改错 How
8、long have you become a league member？For more than one year. Have you arrived here since last night? Yes，youre right. He has gone to Shanghai twice. How long have you been at this school? Since two years.高考链接1、His first novel_ good reviews since it came out last month. (2011陕西，12)A. Receives B. is r
9、eceiving C. will receive D. has received2、This is the first time we _a film in the cinema together as a family.(2010湖南) A. See B. had seen C. saw D. have seen3.When I first met Tom I didnt like him, but I_ my mind.(2013 课标)A. Have changed B. change C. had changed D. would change4. -Have you heard ab
10、out the recent election?-Sure, it_ the only thing on the news for the last three days.(2013湖南)A.Would be B. is C. has been D. will be5. Shakespeares play Hamlet_ into at least ten different films over the past years.(2013北京)A. Had been made B .was made C. has been made D. would be made思考总结：本模块中学到的关于
11、现在完成时的结构有哪些？Step4对比练习 现在完成时与一般过去时练习 1. I _ (have) an exciting party last weekend. 2. They _(live) in this city since several years ago. 3. He is the only one of the students who _(be )the best for three years. 4. _ she _(practice) her guitar yesterday? No, she _. 5. What _ Tom _ (do) on Saturday eve
12、ning? He _(watch) TV and _(read) an interesting book. 6. They all _(go) to the mountains yesterday morning. 7. John caught a cold on Saturday and _(be) in bed ever since. 8. She _(not visit) her aunt last weekend. She _ (stay) at home and _(do) some cleaning. 9. When _ you _(write) this song? I _(wr
13、ite) it last year. 10. - _ you _(have) lunch yet? - Yes, I have. I _(have) it at school.Step5 Homework:短文情景再现_（我刚刚收到一封来自我哥哥的信）,Tim.He is in Australia._(他已经在那六个月了).Tim is an engineer.He is working for a big firm and _(他已经参观过许多不同的地方)in Australia. _（他刚刚买了一辆澳大利亚小汽车并且已经去了Alice Springs）,a small town in the centre of Australia._(他以前从没去过国外),so he is finding this trip very exciting.
