Grammar,现在完成时 (Present perfect tense),hear songs,teach two weeks,We have already heard many songs of Jay Zhou.2. The English teacher has taught us for two weeks.,1.So far we have already heard many songs of Jay Zhou.2. The English teacher has taught us for two weeks.现在完成时的基本用法主要体现在两个方面，一是表示_发生或已经完成的某一动作对_造成的影响或结果，如句1，常与just, ever, _,_,_等词连用；二是表示从_已经开始，并和_有着千丝万缕的关系，如句2，常与_, _等连用。,过去,现在,过去,现在,already,recently,never,for,since,Now you are senior high students in Shuangliu Middle School.1. How long have you been here?I have been here for2. How long have you known your deskmate?I have known him/her for 3. What kind of activity have you taken part in after school?I have taken part in ,Decide which sentencesA. describe events that continue over a period of time B. describe events that happen at a particular point in time1. Luoxin has known Liu Yitong for 6 years.2. And youve studied here for 3 years.3. Some students have set up the English club.4. Luoxin has joined the club.,A,B,B,A,Put the verbs into two groups.A. verbs to describe events that can continue over a period of time.B. verbs to describe events that happen at a particular point in time.borrow buy know leave live remain stay dieA: B:,borrow,buy,know,live,remain,stay,leave,die,Conclusion: 延续性动词 表示能够延续的动作,这种 动作可以延续下去或产生持久影响.终止性动词 表示不能延续的动作,这种 动作发生后立即结束。延续性动词能跟_连用，而终止性动词_。,时间段,不能,终止性动词的肯定式不能和表示一段时间的时间状语连用，但可以用相应的表示延续状态的动词替换. 终止性动词 borrow buy leave die,状态性短语,keep,have,be away,be dead,Choose the correct answers.1.My brother has _ the army for five years. He uses most of his spare time to learn maths. A. joined in B. joined c. been to D. been in2.Guo Jingming _ articles these years and so far he _ many famous articles.has written; wrote B. wrote; has writtenhas been writing; has been writing has been writing; has written,We have learnt the past simple tense (一般过去时) and present perfect tense.The two tenses are often confused.Do you know the differences between them?,Compare the tenses of two sentences.Tian Liang was an athlete several years ago. (说明他过去是个运动员。)Now he has become a star. (现在他变成了一个明星。),前者表示的是过去的动作对现在的影响， 而后者则只是表示过去有这一动作的事实。,现在完成时与一般过去时的区别:,Now we have known the differences between the two tenses according to the definition.(定义)What different time expressions are used in different tenses?,A. I lived here five years ago.I have lived here for five years.B. I read the book last week.Its been very successful, so far. C. I went to Beijing in 2009.Have you ever been to Beijing?过去时的时间状语： five years ago last week in 2009 现在完成时的时间状语： for five years so far ever,We can distinguish the two tenses from two points. (definition; time expressions)我们能够从时间状语和定义两个方面来 区分一般过去时和现在完成时。,Underline the correct form of the verb.A: My parents bought/have bought a new flat. B: Oh really? When (1) did they buy/have they bought it? A: Last month. B: (2)Have you seen/did you see it yet? A: Yes, (3) Ive seen/I saw it last week. Its great. B: Is there a lot of work to do on it? A: Not a lot. (4) Weve repainted/ We repainted the kitchen and the bathroom. B: (5)Did you move /Have you moved your things there? A: (6)Weve just started/we just started moving the furniture. In fact, (7) Ive just come back/ I came back from there. I(8) took/have taken some new furniture over. Were going to move in next week. B: Lucky you!,Do you remember the 10 sentences with present perfect tense we have learned in a lively city?,1.Its been six years since we last saw each other. 2.And this is the first time Ive visited your hometown. 3.Ive seen quite a lot of China. 4.Ive visited some beautiful cities. 5.This is one of the most attractive places Ive been to. 6.Theyve just completed it. 7.Theyve put up a lot of high-rise buildings recently. 8.My wifes just bought a beautiful dress from one of the shop there. 9.Ive got some really pretty parks 10. A friends told me about a nice little fish restaurant near here.,Make sentences from the words in brackets according to the given sentences. Example: Its been six years since we last saw each other.(2 years we come here) Its been two years since we came here.1. Its been six years since we last saw each other. (8 years leave school they) 2. And this is the first time Ive visited your hometown.(second time was take part in test I) 3. This is one of the most attractive placesIve been to. (wonderful songs hear),1. Its been six years since we last saw each other.(8 years leave school they)Its been eight years since they left school.2. And this is the first time Ive visited your hometown.(second time was take part in test I)It was the second time I had taken part in the test.3. This is one of the most attractive placesIve been to. (wonderful songs hear I)This is one of the most wonderful songs Ive heard.,