一般过去时与现在完成时的区别ppt课件.ppt

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1、,一般过去时 与 现在完成时 的区别,一般过去时表示过去某时发生的动作或单纯叙述过去的事情，强调动作；现在完成时强调过去的事情对现在的影响或结果。,例如：We are good friends(现在情况) 我们是好朋友。I got to know him in 2005. (过去的动作) 我在2005年认识（结识）他We have known each other since 2005. (现在完成时把过去的动作和现在联系起来并着眼于现在) 自从2005年来我们就相互认识。,Linda has a big house. (现在情况)She bought the house ten years

2、ago. (过去的动作)She has owned the house for ten years.She has lived in the house for ten years. (现在完成时把过去的动作和现在联系起来并着眼于现在),2. 一般过去时常与具体的时间状语连用，而现在完成时通常与模糊的时间状语连用，或无时间状语。一般过去时的时间状语：yesterday， last week，ago， in1980， in October， just now等，皆为具体的时间状语。,现在完成时的时间状语：for， since， so far， ever， never， just， yet， ti

3、ll/until， up to now， in past years， always等，皆不确定或模糊的时间状语。 共同的时间状语：this morning， tonight， this November， now， already， recently， lately 等。,3. 现在完成时可表示持续到现在的动作或状态，动词一般是延续性的，如live， teach， learn， work， study， know.。一般过去时常用的非持续性动词有come， go， leave， start， die， finish， become， get married等。,I saw this film

4、 yesterday. （强调看的动作发生过了）I have seen this film. （强调对现在的影响，电影的内容已经知道了）I got up five hours ago.I have been up for five hours. (强调结果）Why did you get up so early？ （强调起床的动作已发生过了）,Who hasnt handed in his paper？ (强调有卷子未交，疑为不公平竞争)He has been in the League for three years. （在团内的状态可延续）He has been a League memb

5、er for three years. （是团员的状态可持续）,句子中如有过去时的时间副词（如yesterday， last， week， in 1960）时，不能使用现在完成时，要用过去时。改错：Tom has written a letter to his parents last night.I have seen the film twice last month.,saw,for和since的运用for表“经历(一段时间)”，而since表“自从以来”。例如： 1. Hehasstayedherefor3hours.2. Hehasstayedheresince3hoursago.3

6、. Hehasstayedheresince3oclock.4.HehastaughtEnglishsincehecamehere.,Fill in the blanks with “for” or “since”:We have had the new computer _ a week.How long have you studied English? I have studied English _ I was five.3. How long has he taught in this school? He has taught in this school _ 1998.4. Ho

7、w long have you known each other? We have known each other _ over ten years.5. How long have you kept your pet dog? I have kept it _ two years ago. I have kept it _ two years.,since,since,for,since,for,for,They got married six months _. They has been married _ six months.They have been married _ 6 m

8、onths _.I first met Susan two years _.I have known Susan _ two years.I have known Susan _ two years ago.Sue is in the office. Shes been there _ three hours.Sue came to the office three hours _.Sue has been in the office _ 3 hours _.,ago,for,since ago,ago,for,since,for,ago,since ago,James has been in

9、 Canada _ Monday.James has been in Canada _ four days.James came to Canada four days _.My aunt has lived in Brazil _ 15 years.My aunt moved to Brazil 15 years _.She has lived in Brazil _ 15 years _.Mike has been in hospital _ October.Mike has been in hospital _ two monthsMike came to the hospital tw

10、o months _He has been in hospital _ two months _,填上since ,for或者ago.,since,for,ago,for,ago,since ago,since,for,ago,since ago,already和yet 的区别already常用于肯定句中或句末；yet常用于一般疑问句或否定句末。但表惊讶时already也可用于疑问句。例如：1.Tomhasalreadyfinishedhishome-work.2.Tomhasntfinishedhishomework yet.3.What! Haveyoualreadyfinishedit?

11、,Shall we eat lunch? I am _ hungry.Have you met our foreign teacher _? No, not _.Has the bell rung _?Yes, It has _ rung.The computer has not been repaired _.We have _ changed the plan because Linda hasnt made up her mind _.Have you ordered the takeaway food _?Yes. We have _ ordered it.,already,yet,y

12、et,yet,already,already,yet,yet,already,yet,Fill in already or yet when needed,Multiple choice.( ) 1. Has your brother found his lost car _? - No, he hasnt. A. still B. already C. just D. yet( ) 2. The visitors _ here for a week. A. have left B. have come C. have arrived D. have been( ) 3. Where _ yo

13、u _ all these years, Jim? A. have, been B. did , be C. were, been D. did, stay( ) 4. Ive _ this dictionary _ a year. A. bought, for B. had, for C. bought, since D. had, since,D,D,A,B,( ) 5. You _ here before, _ you? A. never are, are B. never came, do C. have never been, have D. were never, were( )

14、6. The doctor _ to Beijing twice. A. has gone B. has been C. went D. goes( ) 7. My mother has _ made a big mooncake herself. A. already B. yet C. just D. always( ) 8. -Mr Green is no longer working here. He _ here for a month. A.has gone B. has left C. has been away from D. left,C,B,A,C,Fill in the

15、blanks with the Present Perfect Tense:I _ in Shenzhen for about 15 years. (live)2. He _ here since 1998. (work)3. Bob isnt in. He_ to the cinema. (go)4. I _ to Australia three times. (be)5. She _ English for about five years. (study)6. She _ English since 1999. (teach),have lived,has worked,has gone

16、,has studied,has taught,have been,have gone to have been to have been in,去了某地，不在这里,曾经去过某地,已回来,呆在某地（多长时间）,She isnt here. She has gone to the reading- room.She has been to Shanghai twice/once/before.She has been in Beijing for two years.,have (has) gone to 意为“到某地去了”，表示到了某地或正在去某地的途中。总之，说话时该人不在现场，一般不用第一

17、、第二人称代词作句子的主语。 -Where is Tom?汤姆在哪里？ -He has gone to the bookshop.他到书店去了。Father has gone to Hong Kong. Hell be back in a week. 爸爸到香港去了, 一星期后 回来,II. have (has) been to表示“曾经去过某地”，现在已经不在那里了。可以与just, ever, never等连用。I have just been to the post office. 我刚才去邮局了。Tim has never been to the Great Wall. 玛丽从未去过长

18、城。Have you ever been to Hangzhou? 你曾经去过杭州吗？,have (has) been to 后面可接次数，表示去过某地几次。 I have been to Beijing three times. 我去过北京三次。They have been to that Happy Valleys several times. 他们去过欢乐谷好几次了,1. We _ each other for about 5 years. (know)2. _ you ever _ to Australia? (be) No. I _ never _ there. But I _ _

19、to Canada once.,have known,Have been,have been have,been,have (has) been in 表示“在某地呆多长时间”，常与表示一段时间的状语连用。Mr. Brown has been in Shanghai for three days. 布朗先生来上海已经有三天了。They have been in Canada for five years. 他们到加拿大有五年了 We have been in Shenzhen Middle School Junior Campus for over two months.我们在深中初中部两个多

20、月了.,用have/has gone to, have/has been to或have/has been in 填空。1.Bill is on holiday at the moment. He _ Spain.,has gone to,2. “Wheres Lily?” “Shes not here.I think she _ to the bank.”,has gone to,3. Hello, Sue. Where _ you _? _ you _ _ the bank?,have been,Have been to,4. Tim is in hopital. He _ hospital for five days.,has been in,5. “How long _ she _ _ England?” “She _ _ _ England since Monday.” for three days.,has been in,has been to,6. My father _ _ _ Shanghai twice.,has been in,7. I can find Susan. Where _ she _?8. Oh, Hello Susan! I was looking for you. Where _ you _?,has gone,have been,