現(xiàn)在完成時(shí)練習(xí) (2).doc

現(xiàn)在完成時(shí)練習(xí)語法1、結(jié)構(gòu)：have（has）+動(dòng)詞的過去分詞 否定句：主語+havent（hasnt）+動(dòng)詞的過去分詞 一般疑問句：have（has）+主語+動(dòng)詞的過去分詞2、動(dòng)詞的過去分詞：規(guī)則變化（和過去時(shí)一樣） 不規(guī)則變化（見書本不規(guī)則動(dòng)詞表）3、用法：1）表過去發(fā)生的某一動(dòng)作對現(xiàn)在造成的影響或結(jié)果。Eg: I have just cleaned my clothes.我剛洗過衣服。（“洗衣服”是發(fā)生在過去的動(dòng)作，對現(xiàn)在造成的結(jié)果是“衣服干凈了”。） I have just had my breakfast.（對現(xiàn)在的影響：不餓）通常與already,just, ever,yet,never,before等時(shí)間副詞連用。2）表示過去已經(jīng)開始，持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)，也可能繼續(xù)下去的動(dòng)作或狀態(tài)。*for+一段時(shí)間（延續(xù)性動(dòng)詞）eg: She has learned English for 3 years. (但非延續(xù)性動(dòng)詞的否定形式也可以) eg: They havent seen each other for 10 years.*since+過去時(shí)間點(diǎn)（過去時(shí)動(dòng)詞）注意不能和一段時(shí)間連用Eg: They have lived here since 3 years ago.(They have lived here since 2005.) Since+句子（一般過去時(shí)）Eg: We have been good friends since she moved to Nantong.一、用所給詞的適當(dāng)形式填空。1、It _ (rain) for three days.2、I dont know this old man. I _ (meet, never ) her.3、lets go to the cinema. No, I _(see, already) the film.4、We _(finish, not ) our homework yet.5、Mum _(come, not) yet. She will be back in a minute.6、I _(know) Lily for two years.7、Have you _( write) three letters this moring?8、Zhang Hong _(make) many friends since she came to London.9、_ they _(visit) the Great Wall? Not yet.10、Will the concert finish soon?No, it _ just _ (start).二、句型轉(zhuǎn)換1、They have already gone to school.（改為一般疑問句及否定回答） _ they _ to school _? No, they _.2、My father has read ten books about computers.(劃線提問) _ _ _ _ your father _ about computers?3、Miss Green has taught English for a few years.(同上) _ _ _ Miss Green taught English?4、His family have owned this land since five years ago. (同上) _ _ owned this land _ five years?5、My uncle left his hometown three months ago.(用for短語替換) My uncle _ _ _ _ his hometown _ three months. 6、There are many changes in Nangtong.(改為現(xiàn)在完成時(shí)) _ in Nangtong.7、Tom has to finish the task within three hours.（改為一般疑問句）_ within three hours?8、He has never been to Beijing before.(改為反義疑問句) He has never been to Beijing before，_ _?三、改錯(cuò)1、I have just now finished my homework. ( )_A B C D2、I havent heared from you yet. ( )_A B C D3、Since I start my middle school, I have come to school by bus on my own. ( )_A B C D4、The place is used to be the home of many wild animals. ( )_ A B C D5、I had an interview to the famous star this mo