高中英語(yǔ) Unit 6 Design Section Ⅴ 單元語(yǔ)法突破課件 北師大版必修2 (18)

1、Section Grammar一二三四一、教材語(yǔ)句回顧,判斷黑體部分的時(shí)態(tài)1.It has been six years since we last saw each other,you know.你知道,自從上次我們見(jiàn)面到現(xiàn)在已經(jīng)6年了。時(shí)態(tài): 2.And this is the first time Ive visited your hometown.這是我第一次來(lái)你們家鄉(xiāng)。時(shí)態(tài): 3.You know,Ive seen quite a lot of China and Ive visited some beautiful cities,but this is one of the mos

2、t attractive places Ive been to.你知道,我已看過(guò)中國(guó)許多地方,游覽過(guò)一些美麗的城市,但這是我所到過(guò)的最有吸引力的地方之一。時(shí)態(tài): 現(xiàn)在完成時(shí) 現(xiàn)在完成時(shí) 現(xiàn)在完成時(shí) 一二三四4.Yes,theyve just completed it.是的,他們剛剛建完。時(shí)態(tài): 5.Theyve put up a lot of high-rise buildings recently.最近,他們建了許多高樓大廈。時(shí)態(tài): 現(xiàn)在完成時(shí) 現(xiàn)在完成時(shí) 一二三四二、用所給動(dòng)詞的適當(dāng)形式填空1.(2015北京高考改編)In the last few years,China (make) g

3、reat achievements in environmental protection.2. you (meet) Mr Li before?3.The famous writer (write) one new book in the past two years.4.Our country (change) a lot so far.5.Mary seems to have a fever.Dont worry.I (send) for a doctor and he is on the way.6.We (know) Lucy since she (be) a little girl

4、.has made Have met has written has changed have sent have known was 一二三四7.This is a very nice film.I(see) it twice.8.When I was at college,I (learn) two foreign languages but I (forget) almost now.9.You shouldnt leave school before you (finish) your homework.10.This is the third time I (see)you eati

5、ng chocolate today.have seen learned have forgotten have finished have seen 一二三四三、完成句子1.這是你爸爸第三次替你做功課了!This is the third time your father your homework!2.自從我上次來(lái)這里已經(jīng)有很長(zhǎng)時(shí)間了。It I last came here.3.我在北京待了四年。I Beijing for four years.4.這支鋼筆我只用了三次。I this pen only three times.has done has been a long time si

6、nce have been in have used 一二三四四、短文填空Dear Mike,Im sorry I (not write)for a while.I (be)very busy.I (take)four exams this week.This weekend Im going to relax.Im going to eat dinner with my family at a new Italian restaurant.We (not be)to a restaurant recently,and I never (eat)Italian food.Im also goi

7、ng to visit the Great Wall.Believe it or not,I (live)here all my life but I never (be)there!Please write back and let me know what you (do) lately.I am looking forward to hearing from you.Your friend,Wanghavent written have been have been have been have eaten have lived have been have been doing Gra

8、mmarPresent perfect tenseHe has studied French for ten years.他學(xué)習(xí)法語(yǔ)已經(jīng)10年了。時(shí)態(tài):現(xiàn)在完成時(shí)組成:have/has+動(dòng)詞的過(guò)去分詞一、現(xiàn)在完成時(shí)表示過(guò)去發(fā)生的動(dòng)作對(duì)現(xiàn)在造成的影響。He has lost his wallet.他丟了錢包。用法:動(dòng)作已結(jié)束,但是現(xiàn)在沒(méi)有錢花了。She has read the book twice.這本書她已經(jīng)讀了兩遍。用法:twice表示次數(shù),常與現(xiàn)在完成時(shí)連用。Up to the present everything has been going well.到目前為止,一切進(jìn)展順利。用法:

9、up to the present意為“到目前為止”,與現(xiàn)在完成時(shí)連用。歸納:現(xiàn)在完成時(shí)往往同表示不確定的過(guò)去時(shí)間狀語(yǔ)連用,如:already,yet,just,before,recently,lately等,這種用法的動(dòng)詞多為短暫動(dòng)詞;還常與表示頻度的時(shí)間狀語(yǔ)如:often,ever,never,twice等連用;還可以同包括現(xiàn)在時(shí)間在內(nèi)的時(shí)間狀語(yǔ)如:now,up to now,so far,up to the present,till now,today等連用?？键c(diǎn)延伸1)現(xiàn)在完成時(shí)與一般過(guò)去時(shí)的區(qū)別I wont go to see the film,because I have alre

10、ady seen it.我不會(huì)去看那部電影,因?yàn)槲乙呀?jīng)看過(guò)了。I saw a film last week.上周我看了一部電影。歸納:現(xiàn)在完成時(shí)表示過(guò)去發(fā)生的動(dòng)作對(duì)現(xiàn)在的影響,強(qiáng)調(diào)現(xiàn)在的情況,不與過(guò)去時(shí)間狀語(yǔ)連用;一般過(guò)去時(shí)只表示過(guò)去的動(dòng)作或狀態(tài),與現(xiàn)在沒(méi)有關(guān)系,與過(guò)去時(shí)間狀語(yǔ)連用。2)句型:This/That/It is the+序數(shù)詞+time+從句This is the first time I have won in the game.這是我在游戲中第一次獲勝。歸納:句型中從句中用現(xiàn)在完成時(shí)。參考答案:1)has been reached2)has finished3)have set

11、4)have learnt/learned 5)Up to now,I(cover) twenty pages of the book.6)He never (meet) the man before.7)She (find)her pen yesterday.8)I (have)my dinner about half an hour ago.9)It is the second time I (visit)this beautiful city.10)What about your driving trip yesterday?Tiring!The road is being widene

12、d,and we(have)a rough ride.參考答案:5)have covered6)has;met7)found8)had9)have visited10)had二、現(xiàn)在完成時(shí)表示動(dòng)作或狀態(tài)從過(guò)去開(kāi)始,持續(xù)到現(xiàn)在(可能還會(huì)繼續(xù)下去,也可能剛剛結(jié)束)His brother has worked in this factory since 1990.他哥哥從1990年以來(lái)就在這家工廠工作。考點(diǎn)延伸1)閱讀下列句子,指出與現(xiàn)在完成時(shí)連用的時(shí)間狀語(yǔ)及意義It has been three years since I began to live on the farm.自從我在農(nóng)場(chǎng)居住以來(lái)已

13、經(jīng)三年了。時(shí)間狀語(yǔ):since引導(dǎo)的時(shí)間狀語(yǔ)從句意義:自從以來(lái)He left home two weeks ago and we havent heard from him since then/ever since.他兩星期以前離開(kāi)了家,到現(xiàn)在我們一直沒(méi)有他的消息。時(shí)間狀語(yǔ):since then/ever since意義:從那時(shí)以來(lái) We havent had a vacation for a long time.我們好久沒(méi)放假了。時(shí)間狀語(yǔ):for a long time意義:很長(zhǎng)一段時(shí)間 What have you been busy with these days?這些天來(lái)你忙什么呢?時(shí)

14、間狀語(yǔ):these days意義:這些天來(lái) 歸納:這種用法與表示一段時(shí)間的狀語(yǔ)如:for.,since.,these days,in/over the past 10 years,this year等連用。since后跟過(guò)去的時(shí)間點(diǎn),since引導(dǎo)的時(shí)間狀語(yǔ)從句中用一般過(guò)去時(shí);for后跟時(shí)間段。2)句型:It is/has been+時(shí)間段+since.It has been half a year since I saw you last.自從上次我見(jiàn)到你以來(lái)時(shí)間過(guò)了半年了。3)短暫動(dòng)詞如:arrive,begin,borrow,buy,come,die,join,leave,finish等

15、不能與表示一段時(shí)間的狀語(yǔ)連用,如與時(shí)間段連用,須用相應(yīng)的持續(xù)性動(dòng)詞如:be,have,keep等。I bought the new car a month ago.=I have kept/had the new car for a month.我買這輛新車已經(jīng)有一個(gè)月了。參考答案:1)have tried/have been trying2)has increased 3)In order to find the missing child,villagers (do) all that they can over the past five hours.4)I remember you were a talented pianist at college.Can you pla