《一般过去时、现在完成时与一般现在时的区别ppt课件.ppt》由会员分享，可在线阅读，更多相关《一般过去时、现在完成时与一般现在时的区别ppt课件.ppt（34页珍藏版）》请在三一办公上搜索。
1、,现在完成时与 一般过去时 、 一般现在时 的区别,（一）一般过去时态、现在完成时态、一般现在时的概念,一般过去时表示在过去某个时间发生的动作或存在的状态，也表示过去经常或反复发生的动作，常与yesterday、 yesterday afternoon、 the day before yesterday 、last year、in 1965、 a moment ago 、 just now 等表示过去的具体的时间状语连用。例如：,He came here yesterday.,现在完成时表示过去的动作（或状态）对现在产生的影响和结果常与ever， never， before , twice,
2、already ,just， yet， so far， since, for ， up to now， in past years 等，皆不确定或模糊的时间状语连用。 例如He has just broken his bottle.,一般现在时表示经常性，习惯性的动作或存在的状态. 通常与副词sometimes, often, usually, always, every day (year, month ), once (twice, three times) a day,等时间状语连用。They usually go to school by bike.I take the medicin
3、e three times a day.She helps her mother once a week.He often watches Tv. Mary likes reading interesting stories Marys father is a policeman.There are 50 students in my class.,(二）一般过去时态、现在完成时和一般现在时的区别,）现在完成时是表示过去的动作与现在的联系，主要说明的是现在的情况和状态；而一般过去时则强调动作发生在过去某一时间，与现在不发生联系。一般现在时表示经常性，习惯性的动作或存在的状态.与过去没有关系。例
4、如：,We havent seen him since last year. 我们自从去年以来一直未见到他（现在还未见到）,We didnt see him last year. 我们去年没见到他.（现在不一定未见到）,I often see him.(现在经常见到),）现在完成时表示从过去发生一直持续到现在（包括现在）的某个动作或状态，与现在有关的时间状语连用，一般过去时表示过去某一特定（与现在无关）的时间，与具体的表示过去的时间状语连用。例如：,He has lived here since he was born. 自他出生以来一直居住在这儿。（since 自从以来，与现在有关，说明他还
5、居住在这儿。）,Liu Mei went to see her grandmother last night . 刘梅昨晚去看了他外婆。（只说明昨晚）,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。,（三）值得注意几个问题,）动作发生在过去，一直持续到说话的时候，并且还在延续时，要用现在完成时。例如：,We hav
6、e studied English for two years. 我们学英语两年了,）指过去的经历，但没有表示过去的时间状语，要用现在完成时。例如：,I have been to Shanghai twice . 我曾去过上海两次,）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。Tom wrote a letter to his parents last night.,4）以When开头的特殊疑问句，要用一般过去时。例如：When did you lose your pen? 你什么时候丢了钢笔？,5）just (
7、刚刚）与现在完成时连用，just now (刚才）与一般过去时连用。例如：,The train has just gone. 火车刚刚离开。The train left here just now. 火车是刚才离开。,6）since 作介词，后面跟时间名词一起作状语时，句子要用现在完成时；since 作连词，引导状语从句时，主句用现在完成时，从句用一般过去时。,7）so far，in the last / past 与现在完成时连用。例如 ：,So far，many countries have sent up satellites into space. In the last 30 yea
8、rs， our lives have changed a lot.,He has worked in this factory since 1996.I have known him since he was a child.,(四） 现在完成时应注意的四个区别,1）延续性动词与短暂性动词的区别。,2）since 和 for 的区别。,3）have / has gone to； have / has been to；have / has been in 的区别。,4) already和yet 的区别,A、leave been away from buyhave borrowkeep diebe
9、 dead get upbe up turn onbe on come / get backbe back go to townbe in town finishbe over catch a coldhave a cold closebe closed / not open openbe open fall ill / asleep be ill / asleep begin /startbe on get /receive a letter fromhave a letter fromB、come to be here / there arrive in （at）/ get to / re
10、achbe here / there join the Army-be in the Army/ be a soldier join the League-be in the League / be a league member,（五）延续性动词和短暂性动词转换归纳,He died 10 years ago. - He _ _ _ for 10 years / since 10 years ago.2. He borrowed the book 2 weeks ago. - He _ _ the book for 2 weeks.3. He bought the motorbike a mo
11、nth ago. -He _ _ the motorbike for a month.4. He arrived here three days ago. - He _ _ here since three days ago.5. They turned on the light 2 hours ago. - The light _ _ _ for 2 hours.6. He left here 2 years ago. - He _ _ _ from here for 2 years.7. The film began 30 minutes ago. - The film _ _ _ for
12、 30 minutes.8. They opened the door an hour ago. - The door _ _ _ for an hour.9. They closed the door an hour ago. - The door _ _ _ for an hour.10. He joined the army last year. - He _ _ a _ for a year. - He _ _ _ the army for a year. - It _ a year _ he joined the army.,延续性动词和瞬间性动词之间的转化,He died 10 y
13、ears ago. - He has been dead for 10 years / since 10 years ago.2. He borrowed the book 2 weeks ago. - He has kept the book for 2 weeks.3. He bought the motorbike a month ago. -He has had the motorbike for a month.4. He arrived here three days ago. - He has been here since three days ago.5. They turn
14、ed on the light 2 hours ago. - The light has been on for 2 hours.6. He left here 2 years ago. - He has been away from here for 2 years.7. The film began 30 minutes ago. - The film has been on for 30 minutes.8. They opened the door an hour ago. - The door has been open for an hour.9. They closed the
15、door an hour ago. - The door has been closed for an hour.10. He joined the army last year. - He has been a soldier for a year. - He has been in the army for a year. - It is a year since he joined the army.,延续性动词和瞬间性动词之间的转化 (keys),for和since的运用since表“自从以来”。1)since+时间点Hehasstayedheresince5oclock.2)sinc
16、e+ 时间段+ agoHehasstayedheresince5hoursago.3)since+ 从句ShehastaughtEnglishsincehecamehere.,for+ 时间段He has kept the book for 2 weeks.例如： for: (长达）1. Hehasstayedherefor3hours.2. Hehasstayedheresince3hoursago.3. Hehasstayedheresince3oclock.4.HehastaughtEnglishsincehecamehere.,Fill in the blanks with “for”
17、 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. How long have you known each other? We have known each other _ over ten years.5. How long have you
18、 kept your pet dog? I have kept it _ two years ago. I have kept it _ two years.,since,since,for,since,for,for,James has been in 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 live
19、d in Brazil _ 15 years _.Mike has been in hospital _ October.Mike has been in hospital _ two monthsMike came to the hospital two 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,They got married six months _. They has been marr
20、ied _ six months.They have been married _ 6 months _.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,
21、for,since,for,ago,since ago,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、第二人称代
22、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. 我刚刚去过邮局。Tim has never been to the Great Wall. 玛丽从未去过长城。Have
23、 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,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 b
24、een 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 b
25、ank.”,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
26、been in,7. I can find Susan. Where _ she _?8. Oh, Hello Susan! I was looking for you. Where _ you _?,has gone,have been,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?,Sha
27、ll 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,yet,y
28、et,already,already,yet,yet,already,yet,Fill in already or yet when needed,Correct the mistakes in the following sentences.1、Tom has got up for half an hour.2 、Liu Mei has joined the League for three years.3、The train has reached the station since 10 minutes ago.4、The little girl has fallen asleep fo
29、r four hours.5、When have you cleaned the classroom? Its clean now.6、How long have you caught a cold?7、She has got ten letters from her mother since last week.,火眼金睛,been up,been in,been at,been asleep,did,clean,had,had,Multiple choice.( ) 1. Has your brother found his lost car _? - No, he hasnt. A. s
30、till 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 _ you _ 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
31、 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( ) 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
32、( ) 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,( ) 9._you _ the film before ? Where _ you _ it ? A. Have seen，did see B. Did see， did watch C. Have seen，have seen D. Did see, have seen( ) 10. -I have seen the film “Tita
33、nic” already. -When _ you _ it？ -The day before yesterday. A. have； seenB. will； see C. did； see D. did； seen ( )11. “Why _ she _ angry ?” “Because he _ at her just now .”A. did get, shouted B. has got, shouted C. did get, has shouted D. has got, has shouted,A,C,A,用所给动词的适当形式填空。 I _ in Shenzhen for a
34、bout 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,has studied,has taught,have been,7. We _ each other for ab
35、out 5 years. (know)8. _ you ever _ to Australia? (be) No. I _ never _ there. But I _ _ to Canada once. 9.Shanghai _ (be) a small town hundreds of years ago .Now it _ (become) a large city.10.My father _ just _ (come) back from work. He is tired now,have known,Have been,have been have,been,was,becomes,has,come,THE END,Thank you!,
