初中英語現(xiàn)在完成時(shí)講解及練習(xí)

1、初中英語現(xiàn)在完成時(shí)講解及練習(xí)第二講I have just received a letter from my brother, Tim. He is in Australia. He has been there for six months. Tim is an engineer. He is working for a big firm and he has already visited a great number of different places in Australia. He has just bought an Australian car and has gone to

2、 Alice Springs, a small town in the centre of Australia. He will soon visit Darwin. From there, he will fly to Perth. My brother has never been abroad before, so he is finding this trip very exciting.exciting a.令人興奮的, 使人激動(dòng)的 receive v. 接受，收到firm n. 商行，公司 different adj. 不同的centre n. 中心 abroad adv. 在國外

3、, 在海外的，在國外的現(xiàn)在完成時(shí)一、概念現(xiàn)在完成時(shí)表示過去發(fā)生或已經(jīng)完成的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果,也可表示過去已經(jīng)開始,一直延續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)。二、標(biāo)志現(xiàn)在完成時(shí)的時(shí)間狀語：for, since, so far, ever, never, just, yet, till/until, up to now, in past years, always等。三、結(jié)構(gòu) 主語 + have/has + 過去分詞 + 其他 否定式:主語 + haven't/hasn't + 過去分詞 + 其他疑問式: Have /Has + 主語 + 過去分詞 + 其他簡略答語: Yes, 主語

4、+ have/has.(肯定) No, 主語 + haven't/hasn't.(否定)PS: （1）英語中的動(dòng)詞從詞義上可以分為延續(xù)性和非延續(xù)性兩種,在現(xiàn)在完成時(shí)態(tài)中一定要注意動(dòng)詞這一特性,應(yīng)將這類非延續(xù)性動(dòng)詞轉(zhuǎn)換為延續(xù)性動(dòng)詞。延續(xù)性動(dòng)詞：learn, work, stand, lie, know, walk, keep, have, wait, watch, sing, read, sleep, live, stay非延續(xù)性動(dòng)詞：open, die, close, begin(start), finish, come, go, move, borrow, lend, buy

5、延續(xù)性動(dòng)詞與非延續(xù)性動(dòng)詞之間的轉(zhuǎn)換：leave be away borrow keep buy have begin/start be on die be dead finish end stop be over open/close keep sth open/closed； join be in+組織機(jī)構(gòu)或be a member of+組織機(jī)構(gòu)fall ill be ill get up be up come /go /fall be become be leave be away from go (get) out be out；put on wear marry be married

6、wake up be awake example: The old man died 4 years ago. The old man has been dead for 4 years. It is 4 years since the old man died. Four years has passed since the old man died（2）動(dòng)詞的過去分詞形式：通常一個(gè)動(dòng)詞的過去分詞和他的過去式是一樣的，在動(dòng)詞后面加ed構(gòu)成過去分詞，但是有一些動(dòng)詞的過去分詞有不規(guī)則的形式練習(xí)：1) 我已經(jīng)完成了家庭作業(yè)翻譯：否定：疑問2) 她住在合肥已經(jīng)很多年了翻譯：否定：疑問四、鞏固練習(xí)一、

7、單項(xiàng)選擇1、Both his parents look sad .Maybe they _what has happened to him . knew . have known . must know .will know2、He has _been to Shanghai , has he . already .never .ever . still3、Have you met Mr Li_. just . ago .before . a moment ago4、The famous writer _ one new book in the past two year. is writin

8、g .was writing .wrote .has written 5、-Our country _ a lot so far .-Yes . I hope it will be even _ . has changed ; well . changed ; good. has changed ; better . changed ; better6、Zhao Lan _already _in this school for two years . was ; studying . will ; study. has ; studied . are ; studying7、We _Xiao

9、Li since she was a little girl . know . had known . have known . knew 8、Harry Potter is a very nice film .I_ it twice . will see . have seen . saw .see9、-These farmers have been to the United States .-Really When _there . will they go . did they go. do they go . have they gone10、-_ you _ your homewo

10、rk yet -Yes . I _ it a moment ago . Did ; do ; finished . Have ; done ; finished. Have ; done ; have finished . will ; do ; finish二、句型轉(zhuǎn)換1、The old man _last year. He_for a year. (die) （動(dòng)詞填空）2、This factory opened twenty years ago.(同義句轉(zhuǎn)換) This factory_for twenty years.3、Her mother has been a Party member for t