现在完成时巧学妙记(PPT17张)

1、clever learning English完成时态巧学妙记完成时态巧学妙记1）现在完成时态表示）现在完成时态表示 ：过去发生的动作对现在造成过去发生的动作对现在造成的影响或结果的影响或结果 。 Our teacher has just left .（我们的老师现在不在这儿了。）（我们的老师现在不在这儿了。） We have studied English before .（我们会一点儿英语。）（我们会一点儿英语。） I have already finished the homework .（我不要做作业（我不要做作业了。）了。） He hasnt had his lunch yet.（他

2、现在饿了。）（他现在饿了。） He has ever become a doctor .（他有当医生的经验。）（他有当医生的经验。）Have / has + 过去分词过去分词1. 构成构成2. 意义意义2）某个动作某个动作从过去已经开始从过去已经开始， 一直一直持续到现在持续到现在, 还还有有可能持续到将来可能持续到将来，动作的，动作的 持续性要通过持续性要通过一段时间一段时间来表示。来表示。一段时间一段时间的表达方法有的表达方法有 两两 种种:For : + 一段时间一段时间 例：例： for two weeks for three yearsSince ：过去的某一时刻（过去的时间状语）：

3、过去的某一时刻（过去的时间状语）, 例：例：since last week 一般过去时的时间状语从句一般过去时的时间状语从句, 例：例：since you came. since you got home. 注意注意:for 和和since 所引导的时间状语都表示一段时间所引导的时间状语都表示一段时间. 对划线部分提问都用对划线部分提问都用 How long .过去发生已完成，过去发生已完成， 影响结果要记清影响结果要记清.谓动谓动has/have+pp, just ever never already.so far yet和和before,完成时态要记牢。完成时态要记牢。开始过去到现在，开始

4、过去到现在， 延续动作或状态。延续动作或状态。since for how long, 谓语延续多思量谓语延续多思量。结论结论：现在完成时歌诀现在完成时歌诀 短暂性动词不能和表示一段时间的时间短暂性动词不能和表示一段时间的时间状语连用状语连用,但可以转换成相应的延续性动词但可以转换成相应的延续性动词.巧记11个常用瞬间动词开始 离 去 借 来 抓 还 入 死亡 买 到达开始 begin /begin- 离 leave - 去 go - 借 borrow - 来 come-抓 catch-be onbe awaybe in/atkeepbe in/athave 开始 离 去 借 来 抓还 入 死亡

5、 买 到达还 return-入 join- 死亡 die - 买 buy- 到达 arrive- be backbe a member ofbe deadhavebe in/at1.我们买这本书三年了我们买这本书三年了.We have had the book for three years .2.他感冒三天了他感冒三天了. He has had a cold for three days.We bought the book three years ago . He caught a cold three days ago.一般过去时态和现在完成时态可以构成一般过去时态和现在完成时态可以构成

6、 同意句同意句3.自从上星期我借的这本书自从上星期我借的这本书 I have kept the book since last week.4.我成为一个学生两年多了我成为一个学生两年多了. I have been a student for over two years. I borrowed the book last week.I became a student two years ago.5.Mr Black死了三年了。死了三年了。Mr Black has been dead for three years.Mr Black died three years ago.6.小名参军半年了

7、。小名参军半年了。Xiao Ming has been a soldier for half a year.Xiao Ming joined the army half a year ago.7.我们离开学校我们离开学校8年了。年了。We have been away from school for eight years.8.电影开始了一小时了。电影开始了一小时了。 The film has been on for an hour. We left school eight years ago.The film began an hour ago.注：注：含延续性动词的现在完成时的同义句含延

8、续性动词的现在完成时的同义句 转换转换 。She began to work ten years ago.She has worked since ten years ago.It is ten years since she began to work.Ten years has passed since she began to work. She has worked for ten years.现在完成时与一般过去时的异同 相同点：现在完成时与一般过去时，所发生的动作都是在过去。 不同点：现在完成时，不强调动作是在过去什么时间发生的，而是强调对现在造成的影响结果；一般过去时，主要强调动

9、作是在过去什么时间发生的，因此常与过去的时间连用。( )1.Youve never seen such a wonderful film before, _? A havent you B have you C do you D dont you( )2. -Ann has gone to Shanghai. -So _ her parents. A has B do C did D have( )3. I have watched the game. -When _ you _ it? A have watched B do watch C did watch D will watchB D

10、 C( )4. Mr. Green _ in China since five years ago. A lived B has lived C lives D is going to live( )5. His grandma _ for two years. A died B has been dead C was dead D has died( )6.-Where is Han Mei now? - She _ to Shanghai. She will be back in two days. A has gone B has been C goes D had gone( )7.

11、-_ to the United States ? - No, never,but I went to Canada a few years ago A hasbeen B hasgone C havebenn D havegoneBBAD( )8. How long have you _ the football team of the school? A. been on B .been at C. joined D. played ( )9. -Where have you _ these days? - I have _ to Dazhu with my friends. A. been,gone B. been,been C.gone,been D.gone,gone( )10. How long have you _ this book? A bought B borrowed C had D lent( )11. -Excuse me, _ you seen the film yet? - Yes, I _ it last night. A