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1、精选学习资料 - - - - - - - - - 一 构成学习必备欢迎下载现在完成时助动词 have/has + 过去分词例:确定句 I have worked. He has worked. 否定句 I have not havent worked. He has not hasnt worked . 疑问句 Have you worked . Has he worked . 回答 Yes,I have. / No , I havent . 二 功能及意义Yes, he has./ No, he hasnt. 1. 表示一个动作发生在过去, 对现在仍有影响, 但没有详细的过去时间修饰；常由以
2、下副词修饰：ever 曾经, never 从不, already 已经, yet 仍（未）,（yet只用在否定句和疑问句中） ,just 刚刚, recently,lately 近来, so far 迄今为止= until now, up to now, before 以前例： Have you ever been to the Great Wall. 你曾经去过长城吗？I have never heard of such a man.我从没有听说过那个人；We have just had lunch 我们刚刚吃过午饭 I have already returned your money.我已
3、经把钱仍给你了；I havent found my book yet. （否）我仍没有找到笔记本 Have you done your homework yet.（疑） 你做作业了吗？Have you heard from him recently . 你最近收到他的来信了吗？So far, no one has made any mistakes yet. 迄今为止仍没有人犯错误I have never traveled by plane before .我以前从来没有乘飞机旅行过2 表示一个动作发生在过去,始终连续到现在刚刚终止或者仍在连续；经常与 以下时间状语连用：for + 一段时间
4、I have learned English for 8 yearssince + 过去的一个时间点 I have learned English since 2001 since + 一段时间 + ago I have learned English since 8 years ago since + 时态为一般过去时的时间状语从句I have learned English since I was 5 years old in the past/last +时间段 We have had two English exams in the past two months近两个月来我们进行了2
5、 次英语考试Great changes have taken place in my hometown in the past ten years 近十年来我的 家乡发生了庞大的变化；三 连续性动词与短暂性动词的用法名师归纳总结 - - - - - - -第 1 页,共 4 页精选学习资料 - - - - - - - - - 学习必备 欢迎下载现在完成时中,与一段时间连用时应留意句中的谓语动词须是连续性动词,非连续性动词不行和一段时间连用；我离开这所学校已经八年了；误 ： I have left this school for eight years（）他借用我的词典已经两天了 误： He h
6、as borrowed my dictionary for two days（）非连续动词与一段时间连用时,可做相应转化 因此 中例句正确形式分别为 我离开这所学校已经八年了；正 ： I have been away from this school for eight years（）他借用我的词典已经两天了 正： He has kept my dictionary for two days（）其它非连续性动词与时间段连用时的变形buyhave borrow keep, leave be away die be dead, return be back get up be up, fall a
7、sleep be asleep begin be on join be in 或 be a member of come/arrive be in marry be married catch a cold have a cold 在否定句中短暂性动词可与短时间连用 I havent gone to see him for several months（ 我已经好几个月没有去看他了）I havent bought anything for two months 四 区分 have been to +地点; 表示去过某个地方（已经回来） ,常与 ever, never ,几次,等连用have g
8、one to +地点 : 表示到地方去了（仍没回来）have been in+地点： 表示到了某个地方（多久了） ,常与 for + 段时间连用比较： He has been to China twice曾经去过 ,现在不在中国）He has gone to China 他到中国去了 .（他可能已在去中国的路上,或已到 中国,总之,现在不在这里）He has been in China for two years他到中国已经两年了）五 对完成时的提问用how long. 不能用 when. . 六 现在完成经常用句型名师归纳总结 - - - - - - -第 2 页,共 4 页精选学习资料 -
9、 - - - - - - - - 学习必备 欢迎下载1 It is the first/second time.that.结构中的从句部分,用现在完成时 It is the first time that I have visited the city 这是我第一次参观这座城市 It is the third time that the boy has been late 这是这个男生第三次迟到了2 This is the. that. 结构, that 从句要用现在完成时 This is the best film that I ve ever seen 这是我看过的最好的电影 This i
10、s the first time that Ive heard him sing 这是我第一次听他唱歌3 It is / It has been + 时间段 + since . It has been/ Its 5 years since we last met. 自从上一次我们相遇到现在已经是五年了Its / It has been 3 months since the man died 那人死去 3 个月了4 一段时间 + 完成时结构 + since 引导的时间状语从句 Two years has passed since I came here. 七 现在完成时和一般过去时的区分 现在完
11、成时表示过去发生的某一动作对现在造成的影响或结果,强调的是现在的情形,所以它不能和表示过去的时间状语连用,如 yesterday, last night, three weeks ago, in 1998 等；而一般过去时只表示过去的动作或状态,和现在不发生联系,它可以和表示过去的时间状语连用I have seen the film 我看过这部电影（我明白这部电影的内容）I saw the film last week 我上周看了这部电影（只说明上星期）1._ you _clean the room. Yes, we _do that already. When _ you _do it. W
12、e _do it an hour ago. 2._ he _see this film yet. Yes,he has. When _ he _see it. He _ it last week. 3. How many times _you_be there. 4. I _ read the novel twice. Its interesting. 5. She _go to Pairs, hasnt she. Yes. How _ she _go there. She _go there by air. 6. So far, many countries _develop their s
13、oftware programs. 7.Mr Chen _giveup smoking last year. 8.Mr Chen _give up smoking since last year. 名师归纳总结 - - - - - - -第 3 页,共 4 页精选学习资料 - - - - - - - - - 选用for 和 since填空 : 学习必备欢迎下载1.We havent seen each other _ a long time. 2.His father has been in the Party _ 10 years ago. 3.The film has been on _
14、20 minutes. 4.Mr Green has worked here _ he came to China. 5.His grandparents have been dead _ several years. 6. Its five years _ we met last time. 用 Have been to, have gone to, have been in 填空；1 Mike and his parents _ the north for half a year. 2 Mum is not at home now. she _ the shop. 3 _ you ever _ to kunming . Never. 4 Where _ you _ these days. 5 Has Jim arrived yet. Yes, he _ here for several days. 6 Where is Peter. I dont know where he _. 7 Hi Jim. Where _ you _ . Li Lei is looking for you. 名师归纳总结 - - - - - - -第 4 页,共 4 页