现在完成时陈婧

1、语法课Unit 1 The changing worldPresent Perfect现在完成时Studying aims and demands知识目标 1.能准确理解现在完成时并使用have/has been to和 have/has gone to； 2.能准确使用与ever, never, already, yet, just等词连 用的现在完成时； 3. 掌握由since和for引导的时间状语在现在完成时中 的用法； 4. 准确使用和区分一般过去时和现在完成时。水平目标 通过学习和理解现在完成时，结合所学知识书写一篇关于家乡变化的短文。情感目标 了解北京乃至中国的变化，热爱祖国，热爱

2、家乡。 现在完成时陈婧TRY!1. Hurry up! The play began five minutes ago. Hurry up! The play _ _ _ for five minutes 2. He bought this camera in 2012. He _ _ this camera _ 2012. 3. They joined the football club 3 years ago. They _ _ _ the club _ 3 years ago.4. Maria left her homwtown when she was ten years old. M

3、aria_ _ _ _ her homwtown _ she was ten years old.同义句转换has been onhas had sincehave been in sincehas been away from since 一般过去时VS 现在完成时 表示“过去发生的动作或存有的状态”，与现在没有联系。 表示过去发生或已经完成的动作对现在造成的影响或结果。主语 + 动词的过去式主语 + hava/has动词的过去分词At presenttransportationexcellent, quick,municationsvarious; quick, easyGreat cha

4、nges in my hometown Great changes have taken place in my hometown since the reform and opening-up. But in the past, the living conditions here were poor. The roads were narrow. People lived in the small and dark houses. The communications were simple and slow. People kept in touch with their friends

5、 and relatives far away mainly by letter or telegram. They had a hard life. But now, things have changed. My hometown has made rapid progress and peoples living conditions are comfortable. We live in tall and bright buildings. The roads are wide and many people have their own cars. There are more ki

6、nds of communications than before, and they are becoming easier and quicker. People have a happy life now. My hometown has changed for the better now. I think it is important to remember the past, live in the present and dream about the future. TRY!1. Hurry up! The play began five minutes ago. Hurry

7、 up! The play _ _ _ for five minutes 2. He bought this camera in 2012. He _ _ this camera _ 2012. 3. They joined the football club 3 years ago. They _ _ _ the club _ 3 years ago.4. Maria left her homwtown when she was ten years old. Maria_ _ _ _ her homwtown _ she was ten years old.同义句转换has been onh

8、as had sincehave been in sincehas been away from since 一般过去时VS 现在完成时 表示“过去发生的动作或存有的状态”，与现在没有联系。 表示过去发生或已经完成的动作对现在造成的影响或结果。主语 + 动词的过去式主语 + hava/has动词的过去分词roadsIn the pastnarrowhouseswerewerecrowded,smallfoodcouldnt get enoughAt presenttransportationexcellent, quick,municationsvarious; quick, easyGrea

9、t changes in my hometown Great changes have taken place in my hometown since _A： Where have you been?B： I have been to .A： Where has he/she been?B： He/She has been to .A： Has he/she been to.?B： Yes, she/he has. No,she/he hasnt.Mount TaiBeijingShanghaiGuangzhouBoaoSanyaMr. Brown Jane MariaA： Where ha

10、s . gone ? I cant find .B： He/She has gone to . He/She will be back in .My brother has gone to Beijing.My father has been to Beijing. He is in Haikou now.My brother has gone to Beijing. He isnt in Haikou now.have/has been to have/has gone to 某人去过 (已经回来了) 某人去了 (没有回来)1. I _ Italy three times.2. Lily i

11、s not here now. She _ the railway station to meet her mother.VShave been to has gone toA： Have you ever been to Beijing?B: Yes. I have.ever 曾经(I have already been to Beijing.) already已经No. I havent. I have never been to Beijing. I have just come back from Beijing. just 刚刚never 从来没有I havent been to B

12、eijing yet. yetHave you been to Beijing yet? yet yet 在否定句中，意为 “ 还，仍然”在疑问句句末，意为“已经”现在完成时： 表示过去发生或已经完成 的动作对现在造成的影响或结果。我对北京有所了解。I have been to Beijing before. 常与just, already, ever, never, yet, before等连用before 之前Fill in the blanks with the wordsA： Hey, how is everything going?B： Not bad. Ive _ come bac

13、k from the classroom.A：Oh, You have been in Beijing for several weeks. Have you _ been to the Tiananmen Square? B： No, I havent been there_. But I have _ been to the Zoo. A： Wow, thats really an interesting place. By the way, have you been to the new shopping center? B： No, Ive _ been there _.everne

14、verjustyetalreadyeverneverjustalreadyyetTRY!beforebeforeMy brother went to Beijing last month.How long has he been in Beijing?He has been in Beijing for _ _.one/a month=He has been in Beijing since _ _.last month=He has been in Beijing since _ _ ago.one/a month=He has been in Beijing since he _ _ _

15、one month ago.went to BeijingHow long have you been in the school?I have been in the school _.for+一段时间since+时间起点since+一段时间+agosince+从句(一般过去时) 现在完成时常与由 _ 和_ 引导的时间状语连用，表示过去某一时间开始并一直持续到现在的动作或状态。forsinceHe left Haikou last month.=He has _ Haikou for a month.=He has _ Haikou since last month.短暂性动词left延续性

16、动词presentpastlast monthfor a monthbeen away frombeen away from延续性动词I havent seen you for a long time.在现在完成时句子中，since和for引导的时间状语表示一段时间时，句中的谓语动词通常使用_。(否定句除外)come/get/arrive - leave -die -buy-begin -borrow -close -join -bebe away (from)be deadhavebe onkeep be closedbe a member of / be in参考课本P124现在完成时第3

17、点短暂性动词延续性动词TRY!现在完成时陈婧TRY!1. Hurry up! The play began five minutes ago. Hurry up! The play _ _ _ for five minutes 2. He bought this camera in 2012. He _ _ this camera _ 2012. 3. They joined the football club 3 years ago. They _ _ _ the club _ 3 years ago.同义句转换has been onhas had sincehave been in sin

18、ce一般过去时VS 现在完成时 表示“过去发生的动作或存有的状态”，与现在没有联系。 表示过去某一时间开始并一直持续到现在的动作或状态。常用的时间状语有yesterday,just now,last week, a week ago.等I went to Beijing last year.I have been to Beijing. 表示表示过去发生或已经完成的动作对现在造成的影响或结果常用的时间状语有already,never,ever,just, yet, before, so far, since.等写出下列动词的过去式以及过去分词规则动词的过去分词的构成与过去式相同；不规则变化的动

19、词过去分词参考P146页。jumpedjumpedsucceededsucceededimprovedimprovedchattedchattedsatisfiedsatisfiedstolen/t/d/d/d/d/-ed 的发音TRY!/t/清辅音/d/浊辅音 元音/d/t/ /d/Sum up 定义： 句子结构： 表示过去发生或已经完成的动作对现在造成的影响或结果。 常与just, already, ever, never, yet, before等连用.肯定句：主语+havehas+过去分词 + . 否定句：主语+havehas + not +过去分词+ . 一般疑问句：HaveHas

20、+主语+过去分词 +. ? 特殊疑问句：特殊疑问词+havehas +主语+过去分词 +. ? 肯定回答：Yes,主语+have/has.否定回答：No,主语+have/has not.表示过去某一时间开始并一直持续到现在的动作或状态。 常与for+一段时间, since+时间点,since+一段时间+ago, since+一般过去时的从句 等连用。 China has developed rapidly since the reform and opening-up. Beijing also has made rapid progress.In the past, the living c

21、onditions .were poor.In the pastroadshousesfoodtransportationsimple,cationreceive a good educationIn the past keep in touch with communicationssimple,slow.leisure activitiesfewhave no time to But now, things are different.Beijing has . since .Peoples living conditions . Peoples living condit

22、ions has improved a lot.At presentring roadsbuildingsfoodclothessatisfyeducationreceive a good educationAt presenttransportationexcellent, quick,municationsvarious; quick, easyAt presentring roadsbuildingsfoodclotheseducationtransportationcommunications.Beijing has changed for the better now.I think

23、 it is important to remember the past, live in the present and dream about the future.Great changes in my hometown Great changes have taken place in my hometown since _Great changes in my hometown Great changes have taken place in my hometown since the reform and opening-up. But in the past, the liv

24、ing conditions here were poor. The roads were narrow. People lived in the small and dark houses. The communications were simple and slow. People kept in touch with their friends and relatives far away mainly by letter or telegram. They had a hard life. But now, things have changed. My hometown has m

25、ade rapid progress and peoples living conditions are comfortable. We live in tall and bright buildings. The roads are wide and many people have their own cars. There are more kinds of communications than before, and they are becoming easier and quicker. People have a happy life now. My hometown has

26、changed for the better now. I think it is important to remember the past, live in the present and dream about the future. Sum up 现在完成时 ？ 结构？ have/has been to vs have/has gone to可连用的副词？ since 和 for 引导的时间状语在现在完成时中的使用？ 过去分词的变化规律？ 一般过去时 vs 现在完成时 ？Thank you现在完成时陈婧roadsIn the pastnarrowhouseswerewerecrowd

27、ed,smallfoodcouldnt get enoughIn the pasttransportationsimple,slow. kept in touch with .communicationssimple,slow.In the pasteducation. could receive a good education.leisure activitiesfewhad no time to At presentring roadsmany; widearebuildingstall, bright .At presentfoodclothessatisfyeducation. could receive a good education.At presenttransportationexce