資源簡介 (共39張PPT)Unit 1 Past and presentGrammarFree talkWhat do you know about Mr Chen and Sunshine Town Mr Chen has lived in Sunshine Town since he was born.Mr Chen has moved to a new neighbourhood.He and his wife have lived in this area since 1965.The town has changed a lot over the years.The government has turned part of the town centre intoa new park.…We call them the present perfect tenseA story about Eddie!past presentEddie was born four years ago.我們用一般過去時談?wù)撛谶^去某一時間里所發(fā)生的動作或存在的狀態(tài).four years ago1.We use the present perfect tense to talk about things that started in the past and continues to the present.我們用現(xiàn)在完成時表示從過去持續(xù)到現(xiàn)在的動作或狀態(tài)。presentpastpastpresent4 yearsEddie has lived with Millie since he was born.Eddie has lived with Millie for four years.2.We use the present perfect tense to talk about an actionthat happened in the past and has a connection with the present. 我們用現(xiàn)在完成時表示已完成但對現(xiàn)在有一定影響的動作。presentpastToday, Hobo said to Millie."Eddie has eaten my food."(Eddie ate the food and now Hobo has nothingto eat.)3.We also use the present perfect tense to talk about how many times an action has happened till now.我們用現(xiàn)在完成時談?wù)摰浆F(xiàn)在為止一個動作已經(jīng)發(fā)生了多少次。pastpresentEddie 吃了很多次Hobo 的食物。Eddie has eaten Hobo's food many times.She's been married three times.There have been many buildings in mytown.I can’t get in the house. I’ve lost my keys.She has lived in Liverpool all her life.How clean! Who has cleaned the room We have seen the film twice.Match the reasons for using the present perfect tenseon the right with the sentences.started in the past and continues to the presenthappened in the past and has a connection with the present.talk about how many times an action has happened till nowThe structure of present oerfect tense(1)肯定句:I/We/You/They + have + p.p(過去分詞)+其它.He/She/It + has + p.p(過去分詞)+其它.Practice:1. 他們已經(jīng)完成家庭作業(yè)了。They ______________ (finish) their homework.2. 他已經(jīng)完成家庭作業(yè)了。He ______________ (finish) his homework.have finishedhas finished(2)否定句:e.g.Mr Chen ____________ to any other city yet. ( not move)The snow _____________ yet. ( not melt融化)hasn’t movedI/We/You/They+have not / haven’t +p.p(過去分詞)+其它。He/She/It +has not / hasn’t +p.p(過去分詞)+其它。hasn’t melted(2)否定句:I/We/You/They + have not/haven’t + p.p +其它.He/She/It + has not/hasn’t + p.p +其它.Practice:1. They _______________________ (not finish)their homework yet(還未).2. He ________________________ (not finish) hishomework yet.have not/haven’t finishedhas not/hasn’t finished(3)一般疑問句及回答:Have/Has +主語+ p.p. +其他 Have I/you/we/they arrived Has he/she/it Yes, I/you/we/they have.he/she/it has.No, I/you/we/they haven’t.he/she/it hasn’t.read the bookread the bookA: Has she … B: Yes, she has. / No, she hasn’t.Let’s practisebrush your teethbrushed your teethA: Have you … B: Yes, I have. / No, I haven’t.Let’s practise(4)特殊疑問句:特殊疑問詞+ have/has +主語+ p.p +其它?e.g. The girl has learned English for 6 years.How long has the girl learned English I have eaten two apples for breakfast.What have you eaten for breakfast Have a tryShe has cleaned the kitchen. (改為否定句)She ________ cleaned the kitchen.2. They have visited some interesting places in China. (改為一般疑問句)______ they _______ ____ interesting places in China 3. The poor dog has died. (改一般疑問句并作否定回答)---_________ the poor dog _________ ---No, it __________.4. They have borrowed ten books from the library. (對劃線部分提問)_____ _______ books ______ they _________ from the library hasn’tHave visited anyHas diedhasn’tHow many have borrowedRegular verbs Irregular verbs Base form Past participle Base form Past participlevisit hitrepair putlive meetmove maketry sellstudy givefit write動詞的過去分詞plan thinkvisitedrepairedlivedmovedtriedstudiedfittedplannedhitputmetmadesoldgivenwrittenthoughtCompetition規(guī)則動詞的過去分詞的構(gòu)成大多數(shù)的動詞的過去分詞是規(guī)則的,只需在動詞后加-ed;work→worked listen→listened jump→jumped visit→visited2.在以-e結(jié)尾的動詞后只加-d;close→closed like→liked agree→agreed move→moved3.在以輔音字母加y結(jié)尾的動詞,應(yīng)將y改為i再加ed;study→studied carry→carriedtry→tried worry→worried4.以重讀閉音節(jié)結(jié)尾的動詞,要雙寫末尾的輔音字母再加-ed;stop→stopped drop→dropped不規(guī)則動詞的過去分詞的構(gòu)成有些動詞的原形和過去分詞相同;put→put hurt→hurt become→become run→run2.改變單詞中間元音字母;sit→sat win→won hold→held3.把單詞結(jié)尾的字母d改為t;lend→lent spend→spent send→sent4.以eep結(jié)尾的動詞,把eep改為ept;keep→kept sleep→slept5. 過去分詞以aught或ought結(jié)尾;teach→taught catch →caught buy→bought6.以ay結(jié)尾的動詞, 把a(bǔ)y變成aid;7.在原形詞尾加n或en;還有些動詞的過去分詞是不規(guī)則的,需要特殊記憶。(課本第122-123頁)say→said pay→paidgive→given eat→eaten不規(guī)則動詞過去分詞的構(gòu)成參見P122原形 過去式 過去分詞cost cost costread read readmeet met metcatch caught caughtbe was/were beenfall fell fallendraw drew drawnfly flew flownsee saw seenABBAAAABC1. borrow2. hope3. make4. get5. plan6. cry7. send8. watch9. say10. grow11. hit12. enjoyborrowedhopedmadegotplannedcriedsentwatchedsaidgrownhitenjoyedAMr Wu wants the students to practice using the present perfect tense. Help them write the past participles of the verbs below.A short test現(xiàn)在完成時的時間狀語◆常與與現(xiàn)在完成時連用的時間狀語,如:already, never, ever, just, yet, recently, so far, over the years,up to now等◆還與表示一段時間的狀語連用,如since…, for many years等.◆還常和表示次數(shù)的時間狀語連用,如once, twice, many times上一頁下一頁主菜單現(xiàn)在完成時常用的標(biāo)志詞1. already 與 yetalready“已經(jīng)”( 用于肯定句中,常放于行為動詞之前,其他動詞之后)yet用于否定句中“還”用于疑問句中“已經(jīng),還,仍然”yet 是already 的否定詞(放于句末)1 )I _____already ____ the film.(我已看過這部電影了)haveseen否:I ________ ______ the film ______.haven’tseenyet疑:________ you ______ the film ______ HaveseenyetNo , not _____ .“還”“已經(jīng)”yet2) I ____________ (not have) lunch yet.haven’t had2. ever 與 neverever 曾經(jīng)主要用于疑問句(放句中)never 從不主要用于否定句(放句中)-- ____ you ever _____(eat) Beijing Duck --No, ______.Haveeatennever2) He _____ never _____ (read) the story.hasread3. just 與 recentlyjust 剛才用于肯定句中(放句中)recently用于各種句式中(放句末)不久前,最近1) I ______ just _______ (see) him.haveseen2) She ________ _______ (not see ) them recently.hasn’tseen3) ______ you ______ (use) it recently Haveused4) She _______ ______ (be) busy recently.hasbeen3) She’s never seen the film, ____ ____ has she4. since 和 for + 一段時間 常用現(xiàn)在完成時since +短語=for + 一段時間句子(用一般過去時)for + 一段時間1) 常用現(xiàn)在完成時2) 動詞必須可以延續(xù)3) 用How long 提問1) I ______ (begin) to work here in 2000began= I _____________ here since 2000.have worked2) They __________ (not meet ) each other for years.haven’t metSince 短語和for +一段時間都用how long 提問4) I have lived here since I was born.(劃線提問)_____ _____ _____ you ______ here Howlonghavelived3) She _______(feel) lonely since she ______(move) here.has feltmoved選用 for和 since填空:1.We haven’t seen each other ______ a long time.2.His father has been in the Party ______ 10 years ago.3.The film has been on ______ 20 minutes.4.Mr Green has worked here ______ he came to China.5.His grandparents have been dead ______ several years.6. It’s five years _______ we met last time.forsinceforsinceforsince下一頁5. 次數(shù)(twice/ three times/ ….) 和before(以前)單獨(dú)放句末常用現(xiàn)在完成時1) He_________ (see) the film twice.has seen_____ _____ _____ ____ he seen the film Howmanytimeshas2) ______ you ______ (be) to Beijing before Havebeen6. over the (past/last) years 在(過去的)這幾年間e.g. Great changes __________ (take) place over thepast ten years.have taken7. so far , up to now, until/till now到目前為止e. g. We ____________ (learn) many English songs so far.have learned 句式 位置 already 陳述句 have/has后,句末 ever 疑問句 主語后just 陳述句 have/has后never 否定陳述句 have/has后yet 否定陳述句 疑問句 句末recently 肯/否定陳述句,疑問句 句末A short testBMr Wu asks the students to complete the sentences below using the present perfect tense. Help them complete the sentences.1. They _____________ (finish) their homework already.2. John _____ never ________ (visit) China.3. Mr. Li _____________ (repair) over ten bicycles sinceMonday.4. We _____________ (not see) each other for years.5. My parents ______________ (not come) back yet.6. Our teacher ___________ (teach) us a lot about thehistory of China.have finishedhas visitedhas repairedhaven’t seenhaven’t comehas taughtPart C (p14)Millie: (1) ______ you ______ (see) any films recently, Sandy Sandy: No, I haven’t. What about you Millie: I (2) ________ (see) one last Saturday.Sandy: What’s it about Millie: It’s about the changes in Beijing over the past century.From the film, I (3) _____________ (learn) more aboutBeijing’s past and present.Sandy: Oh, I think I (4) __________ (hear) about the film. Doyou plan to see it again .Millie: Yes, I’d like to.Have seensawhave learnthave heardExercises1. I ___________ (study) in America for over three years.2. The young man __________ (live) alone since he graduated from college.3. This is the best film that I __________ (see) so far.4. —Hello. Can I speak to Miss Brown —Sorry, she __________ (fly) to Canada already. She'll be back in a week.5. In the past two weeks, the artist __________ (draw) many pictures about his hometown.6. I ___________ (know) Jimmy for over two days and now we are good friends.have studiedhas livedhave seenhas flownhas drawnhave known7. —Why are the windows so dirty —Because we _____________ (not clean) them for a very long time.8. He _____________ (not finish) the homework yet.9. My family __________ (live) in Nanjing since 1996.10. They ________ already _________ (decide) to go to Kunming for the holiday.11. The girl ________________ (learn) English for about two years.12. _____ Tom ________ (write) letters to you recently haven’t cleanedhasn’t finishedhave livedhave decidedhas learned/learntHas written動 詞 填 空:1._____ you ________(clean) the room Yes, we __________(do) that already.When _______ you ______(do) it We _______(do) it an hour ago.2.______ he ______(see) this film yet Yes.When _____ he _____(see) it He ______ it last week.3. How many times _____you______(be) there Havecleanedhave donediddodidHasseendidseesawhavebeen下一頁上一頁4. I __________ (read) the novel twice. It’s interesting.5. She _________(go) to Pairs, hasn’t she Yes.How ______ she _______(go) there She _______(go) there by air.6. So far, many countries _______________(develop)their software programs.7.Mr Chen ______(give)up smoking last year.8.Mr chen __________(give) up smoking since last year.9. He _______ (teach) us English for two weeks last year.10. He _______ (teach) us English for two years.have readhas gonedidgowenthave developedgavehas given下一頁上一頁taughthas taught1. She has already cleaned the kitchen. (改為否定句)→She __________ cleaned the kitchen ___________.2. They have visited some interesting places in China. (改為一般疑問句)→___________ they _____________ ___________ interesting places in China 3. The poor dog has died.(改為一般疑問句并作否定回答)→_________the poor dog _________ -No, it __________.4. They have borrowed ten books from the library. (對劃線部分提問)→_________ _________books __________ they _________ from the library 5. Have you ever been to the Great Wall (改為否定句)I ________ ________ been to the Great Wall.6. They have studied here since they moved to the city. (對劃線部分提問)___________ ___________ _________ they _________ here hasn’t yetHave visited anyHas died hasn’tHow many have borrowedhave neverHow long have studied1.Julia isn’t going to the cinema with us because she _________ the film.A. sees B. saw C. will see D. has seen2.--Your shoes are so old. Why don’t you buy a new pair --Because I ______ all my money on an MP5.spend B. have spentC. will spend D. was spending3.— When can I see the doctor, madam — Let me see. Sorry, you ____________ your turn, so you’ll have to wait again.are missing B. have missedC. will miss D. missed 4.—Mike, why are you watching TV again — I my homework.A. finish B. finishedC. have finished D. had finished5. —Do you know the Englishman —Yes. I _____________ him for two years.A. get to know B. have knownC. knew D. got to know6. —Where is Tom We can’t find him anywhere.— Perhaps he _____ home.A. has come B. is goingC. went D. was going7. --- Why won’t you go to the movie with me, Gina ---- Because I it twice.A. see B. have seen C. saw D. will see8. —China develops so fast.—That’s true. It ______ a lot already.A. changes B. changedC. will change D. has changed9. —Are Li Yan and Wang Mei still living in Nanjing —No, they ____ to Shanghai.A. had moved B. movedC. will move D. have moved10.— _____ you _____ the movie Gongfu Panda II — Not yet. I'll see it this Sunday.a. Did, see b. Do, see C. Have, seen D. Will see11.— How do you like your English teacher — He is great. We friends since three years ago.A. were B. have madeC. have been D. have become12. Though he ____ the book three times, he hopes to read it again.A. read B. reads C. has read D. will readHomeworkReview the present perfect tense.Remember the past participlesof the irregular verbs on P13. 展開更多...... 收起↑ 資源預(yù)覽 縮略圖、資源來源于二一教育資源庫