1、 现在完成时现在完成时 施老师施老师 现在现在上一页上一页下一页下一页1.表示过去做的事情持续到了现在表示过去做的事情持续到了现在,而且还有可能持续下去而且还有可能持续下去 （现在还在做）（现在还在做）2.表示过去做的事，对现在有影响表示过去做的事，对现在有影响 （现在没做了）（现在没做了）I have already eaten breakfast.I have already eaten breakfast.（我已吃过早餐，（我已吃过早餐，我不饿了我不饿了）微笑中透露着一微笑中透露着一点迷茫！呜点迷茫！呜My mother often comes into my bedroom with
2、a bottle of milk.在你妈进来之前你在玩王者农药。在你妈进来之前你在玩王者农药。You have played the game before.她摸了摸你的手机，发现很烫，她摸了摸你的手机，发现很烫，她立马就知道你玩过王者农药了。她立马就知道你玩过王者农药了。You mother realizes that you have played the game.You have played the game for five hours.1.表示过去做的事情持续到了现在表示过去做的事情持续到了现在,而且还有可能持续下去而且还有可能持续下去 （现在还在做）（现在还在做）2.表示过去做
3、的事，对现在有影响表示过去做的事，对现在有影响 （现在没做了）（现在没做了）I have already eaten breakfast.I have already eaten breakfast.（我已吃过早餐，（我已吃过早餐，我不饿了我不饿了）主语主语+have/has+过去分词过去分词助动词助动词,无意义无意义 现在完成时的结构现在完成时的结构Summer has already come，will it still be far in autumn?主语主语+have/has+过去分词过去分词否定形式否定形式 havent(have not）+过去分词过去分词 hasnt(has n
4、ot)+过去分词过去分词疑问句疑问句 把助动词把助动词 have/has 放在句首放在句首 现在完成时的结构现在完成时的结构注：主语若是第三人称单数助动词用注：主语若是第三人称单数助动词用 has1.常和副词常和副词already,yet,never,ever,for,since等连用。等连用。什么情况什么情况要用现在要用现在完成时？完成时？Xiaoming has already gone here.My Mother havent had lunch yet.Have they written to your parents yet?注：注：already 往往用于往往用于肯定句肯定句，y
5、et 用于用于否定句否定句和和疑问句疑问句。1.already在现在完成时中的用法在现在完成时中的用法肯定句肯定句:句中句中(助后实前助后实前)一般疑问句一般疑问句:句末句末(表示惊讶的语气表示惊讶的语气)“难道难道”Eg:Theyve already had dinner.Have they had dinner already?2.yet在现在完成时中的用法在现在完成时中的用法 否定句否定句:句末句末“还还(没没)”疑问句疑问句:句末句末“己经己经”Eg.I havent had breakfast yet.Have you had breakfast yet?注注:带带already的的
6、肯定句肯定句变成变成否定句否定句或或疑问句疑问句时时,将将already要变成要变成yet放在放在句末句末.Eg.She has already done her homework.否定句否定句:一般疑问句一般疑问句:She hasnt done her homework yet.Has she done her homework yet?什么情况什么情况要用现在要用现在完成时？完成时？vWe have never been to the Summer Palace.vHave you ever been to Shenzhen?你们你们曾经曾经去过深圳吗？去过深圳吗？我们我们从来没有从来没有
7、去过颐和园。去过颐和园。3.ever在现在完成时中的用法在现在完成时中的用法 肯定句肯定句/疑问句疑问句:句中句中“曾经曾经”Eg.Ive ever been to Beijing.Have you ever been to Beijing?4.never在现在完成时中的用法在现在完成时中的用法否定句否定句:句中句中“从来没有从来没有”Eg：Ive never been toBeijing.注注:带带ever的肯定句变否定句时的肯定句变否定句时,要将要将ever变成变成never;带带ever的一般疑问句的一般疑问句作否定回答时可用作否定回答时可用“No,never.”Eg.He has ev
8、er made dumplings.否定句否定句:Have they ever travelled by train?No,never.He has never made dumplings.1.already 已经已经”（肯定句句中，疑问句句尾）（肯定句句中，疑问句句尾）2.yet “还还”（否定句句尾）（否定句句尾）“已经已经”(疑问句句尾）疑问句句尾）3.ever “曾经曾经”（肯定句和疑问句句中）（肯定句和疑问句句中）4.never “从来也不从来也不”（否定句句中）（否定句句中）总结：总结：什么情况什么情况要用现在要用现在完成时？完成时？3.for+一一段时间段时间 主语主语+hav
9、e/has done+since+时间点时间点/时间段时间段+ago /句子（一般过去时）句子（一般过去时）since:(自自以来以来)1)since+时间点时间点He has stayed here since 5 oclock.2)since+时间段时间段+agoHe has stayed here since 5 hours ago.3)since+从句从句She has taught English since he came here.for:(长达）长达）for+时间段时间段He has kept the book for 2 weeks.干货还不赶紧记干货还不赶紧记since&f
10、or（注）（注）:对对for或或since引导的时间状语引导的时间状语提问提问 必须用必须用how long,决不能用决不能用when.Eg.I have lived here for 10 years.How long have you lived here?She has stood here since 2 hour ago.How long has she stood here?上一页上一页选用选用 forfor和和 sincesince填空填空:1.We havent seen each other _ a long time.1.We havent seen each other
11、_ a long time.2.His father has been in the Party _ 10 years ago.2.His father has been in the Party _ 10 years ago.3.The film has been on _ 20 minutes.3.The film has been on _ 20 minutes.4.Mr Green has worked here _ he came to China.4.Mr Green has worked here _ he came to China.5.His grandparents hav
12、e been dead _ several years.5.His grandparents have been dead _ several years.6.Its five years _ we met last time.6.Its five years _ we met last time.forforsincesinceforforsincesinceforforsincesince下一页下一页上一页上一页升堂：三胞胎辨别案升堂：三胞胎辨别案have been to+地名（曾经去过，人已回）have gone to+地名（去了某地，人未回）have been in+地名+for+一段
13、时间（已经在某地多长时间）He went to Shanghai last week.他他(曾经曾经)到到/去过上海去过上海 在他人生中曾经有过这样的经历在他人生中曾经有过这样的经历,但他人现在肯但他人现在肯定不是在上海而是回来了定不是在上海而是回来了他已经他已经去上海了去上海了 也许刚动身出发也许刚动身出发,也许已经到了也许已经到了,也许也许还在路上还在路上,反正他人不在这里反正他人不在这里说话时该人不在现场，说话时该人不在现场，一般用第三人称作主语一般用第三人称作主语上周他上周他做了一件事做了一件事:那就是那就是去了上海去了上海He has been to Shanghai.He has gone to Shanghai.He has been in Shanghai for 10 years.他他呆在上海迄今为止已经呆在上海迄今为止已经10年了年了 现在还在上海没有离开呢现在还在上海没有离开呢He lived in Shanghai for 10 years in the past.以前他以前他在上海住过在上海住过10年年 现在不在上海了现在不在上海了
