高中英语《现在完成时》课件

上传人:飞*** 文档编号:52490530 上传时间:2018-08-22 格式:PPT 页数:21 大小:201.50KB
返回 下载 相关 举报
高中英语《现在完成时》课件_第1页
第1页 / 共21页
高中英语《现在完成时》课件_第2页
第2页 / 共21页
高中英语《现在完成时》课件_第3页
第3页 / 共21页
高中英语《现在完成时》课件_第4页
第4页 / 共21页
高中英语《现在完成时》课件_第5页
第5页 / 共21页
点击查看更多>>
资源描述

《高中英语《现在完成时》课件》由会员分享,可在线阅读,更多相关《高中英语《现在完成时》课件(21页珍藏版)》请在金锄头文库上搜索。

1、*现在完成时和现在完成进行时* 主讲人:李玲现在完成时是由助动词have(has)+ the past participle of the verb(过去分词)构成其否定句在Have/has后加not. 一般疑问句把 have/has提到主语前. 动词的过去分词:规则变化(和过去时一样)不规则变化:Present perfect tense不规则变化:am/is-was-been are-were-been begin-began-begun break-broke-brokendo-did-done draw-drew-drawndrink-drank-drunk drive-drove-d

2、riveneat-ate-eaten fall-fell-fallenfly-flew-flown forget-forgot-forgottengive-gave-given go-went-gone1。things that happened in the past, but have an effect on the present .表过去发生的某一动作对现在造成的影响或结果. 例如: I have just cleaned my clothes. 我刚洗过衣服。 (“洗衣服”是发生在过去的动作,对现在造成的结果是“衣服干净 了”)I have just had my breakfas

3、t. (对现在的影响:不饿)通常与表示包括现在在内的时间副词 just(刚刚), already(已经 ), before, yet(一般疑问:已经;否定句:还) never, ever等状 语连用 I have never heard of that before. Have you ever ridden a horse? She has already finished the work. Have you milked the cow yet? Yes, I have done that already. Ive just finished my homework. He has no

4、t come yet. 2。things that started in the past and are still happening now. 表示过去已经开始,持续到现在的动作或状态,也可以表 示实质可能继续下去的动作或状态。通常和 for(段时间), since(点时间) 引导的时间状语连用.以及 so far, by now, these days, in the last ten years 等连用。如:I have been here for just over two years. He has worked here since 1989. 从1989年,他就在这工作了。I

5、 havent seen her these days.She has learnt English for 3 years/since 3 years ago.They have lived here since 1990.What has happened to the USA in the last 350 years?Comparing with present perfect and simple past tense: 1. Present perfect tense: things that started in the past and are still happening

6、or things that happened in the past, but have an effect on the present ; However, simple past tense: things that started in the past。2.Present perfect tense belongs to the present tense, therefore, it cant be used with the past time. 如: yesterday, last night, two weeks ago等 试比较: The plane has arrive

7、d . 飞机已经来了。(说 明现在的情况:飞机在这儿) The plane arrived a quarter ago. 飞机是一刻 中以前来的。(强调动作发生的时间在过去) I have taught here for fifteen years. 我在这 儿已经教了十五年。(表示十五年前的动作一 直延续到现在,还可能会继续。) I taught here for fifteen years. 我过去在这儿 教过十五年。(表示“我“现在已经不在这儿任 教了)1. A: 火车已经开走了.B: 什么时候开走的?A: 半个小时之前开走的.2. A: 这本书我已经买了两年了.B: 你在哪儿买的?A:

8、 在我老家买的.3. A: 你看过这部电影吗?B: 看过.A: 什么时候看的.B: 上周星期天看的.A: The train has left.B: When did it leave.A: It left half an hour ago.A: Have you seen the film?B: Yes, I have.A: When did you see it?B: I saw it last Sunday.A: Ive had the book for two years.B: Where did you buy it?A: I bought it in my hometown.Put

9、 the following sentences into English.Non continuity verbs(非延续性动词) and present perfect tense:短暂性动词在肯定句、疑问句中不能与时间段连用,这些动词是: become, begin, buy, borrow, arrive, come, die, fall, finish, get to know, go, join, leave, marry等。为了表述这种意思,我们常用 相应的延续性动词have,keep等来代替非延续性动词。如: 他入党五年了。He joined the Party five ye

10、ars ago . He has been in the Party for five years. He has been a Party member for five years. it is five years since he joined the Party 电影开始五分钟了。 The film began five minutes ago. The film has been on for five minutes. It is five minutes since the film began瞬间动词与延续性动词的转换come/go be (in) leave be away

11、 borrow keep buy havedie be dead get to know know begin be on go out be offgo out be off arrive be here/there marry/get married (to) be married (to)begin to work/study/live work/study/leavefall asleep/get to sleep be asleepjoin the Party be in the Party/be a member of( )( ) ( )( )( )( ) ( )( )I have

12、 bought a new dictionary for a week. I have had a new dictionary for a week. 我买一本新词典已有一星期了。They have come here for two days.They have been here for two days.他们来这儿已经两天了。 He has joined the League member for two years. He has been a League member for two years. 他已入团两年了。The man has been dead for several

13、 years. The man has died for several years. 这个人已经死了几年了。1.I have borrowed the book for 2 weeks. ( ) 2.The film has begun for 5 minutes.( )A B CA B CB kept B been on3. 这辆自行车我买了两年了。Ive _ the bike _ two years. 4. He left Nanjing two years ago.He _ _ _ _ Nanjing for two years. 5. The monkey died last mon

14、th.The monkey _ _ _ for a month.6. A: Hong long _ you _ ( )B: Two weeks.A.did,get ill B. have,fallen ill C. were,ill D. have,been illhad forhas been away fromhas been dead Dhave been in, have been to 与have gone to 的用法:1、have (has) been in 表示“在某地(多长时间)”,现在仍在那里。常与表示一段时间的状语连用。例如: Mr. Brown has been in Shanghai for three days. 布朗来上海已经有三天了。They have been in Canada for five years. 他们到加拿大有五年了。2、have( has)been to表示“曾经去过某地”,现在已经不在那里了。可与just, ever, never等连用,例如:I have just been to the post office. 我刚才去邮局了。Mary has never been to the Great Wall. 玛丽从未去过长城。Have you ever been to Hang

展开阅读全文
相关资源
正为您匹配相似的精品文档
相关搜索

最新文档


当前位置:首页 > 办公文档 > 其它办公文档

电脑版 |金锄头文库版权所有
经营许可证:蜀ICP备13022795号 | 川公网安备 51140202000112号