現(xiàn)在完成時(shí)復(fù)習(xí)公開課

1、關(guān)于現(xiàn)在完成時(shí)復(fù)習(xí)公開課第一張，PPT共十三頁，創(chuàng)作于2022年6月一、動(dòng)詞過去式、過去分詞的構(gòu)成1. regular form 規(guī)則變化（1）finishfinished-finished play-played-played（2）live-livedlived move-moved-moved（3）carry-carried-carried try-tried-tried ( 去y改i加ed)（4）stop-stoppedstopped chatchatted-chatted (重讀閉音節(jié), 雙寫加ed)2. irregular form 不規(guī)則變化 (1) AAA型：cut-cut-cu

2、t read-read-read (2) ABB型：feel-felt-felt make-made-made (3) ABC型：forget-forgot-forgotten see-saw-seen (4) ABA型：come-camecome run-ranrun (5) AAB型：beat-beat-beaten 第二張，PPT共十三頁，創(chuàng)作于2022年6月三、現(xiàn)在完成時(shí)的結(jié)構(gòu)： 我看過這部電影。 I have seen this film. 他剛?cè)D書館了。 He has just gone to the library. 中國近來發(fā)生了巨大變化。Great changes have

3、 taken place in China recently.現(xiàn)在完成時(shí):主語第三人稱單數(shù)- hashave / has+過去分詞第三張，PPT共十三頁，創(chuàng)作于2022年6月四、與現(xiàn)在完成時(shí)連用的時(shí)間狀語及用法1：1.already 已經(jīng)2.yet 已經(jīng)，還3.never 從不4.ever 曾經(jīng)5.just 剛剛6.before 以前 (多用于肯定句謂語動(dòng)詞前或句末) (多用于疑問句、否定句句末) (表示否定) (用于疑問句和肯定句) (位于肯定句謂語動(dòng)詞之前) (位于句末)第四張，PPT共十三頁，創(chuàng)作于2022年6月四、與現(xiàn)在完成時(shí)連用的時(shí)間狀語及用法2：7. so far 至今為止8. r

4、ecently 最近9. In the past/last few years 在以往的幾年來10. these days/years這幾天/這幾年11. for + 一段時(shí)間12. since + 時(shí)間的起點(diǎn)13. How long 多久（位于句首加逗號(hào)或句末) （常位于句末） （位于句首或句末） (位于句首或句末） （位于句末） （位于句末）第五張，PPT共十三頁，創(chuàng)作于2022年6月五、要點(diǎn)及難點(diǎn)區(qū)別： (1)_you ever _to Beijing? No, _. (2)Where is Mike? He _ _ to Beijing already. (3) Where _you

5、_? I couldnt find you. (4) _your uncle _to the Great Wall yet? No, he _. /_ _.Hes leaving tomorrow. (5) Mr Smith _ _ _Japan for three years.have been tohave gone tohave been in 注意：地點(diǎn)副詞here / there / home / abroad 等前省略 to.翻譯：1 、他出國了。_ 2 、他出過國。_Havebeenneverhasgone have beenHas gonehasntNotyethasbeeni

6、nHe has gone abroad. He has been abroad.表示“曾經(jīng)去過某地”（在眼前，人已回）表示“已經(jīng)去某地去了”（不在眼前人未回）表示去了且還在那(和for, since, How long連用)第六張，PPT共十三頁，創(chuàng)作于2022年6月現(xiàn)在完成時(shí)與一般過去時(shí)的區(qū)別：1. I _(teach) here for ten years.2. I _(teach ) here ten years ago.3. He _( leave) home already.4. He _(leave) home yesterday.5. I cant find my bag. Wh

7、o _(take) it away?6. Who _( take) away my bag just now?現(xiàn)在完成時(shí)：一般過去時(shí)：have taughttaughthas leftlefthas takentook表示過去發(fā)生或已完成的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果，和現(xiàn)在有關(guān)，不能和表示過去的時(shí)間狀語連用。只表示過去的動(dòng)作或狀態(tài)，強(qiáng)調(diào)過去，和現(xiàn)在無關(guān)，可和表示過去某一時(shí)間點(diǎn)的時(shí)間狀語連用。（還在這教）（不知是否還在教)（人不在家已走）（不涉及現(xiàn)在在哪）第七張，PPT共十三頁，創(chuàng)作于2022年6月 短暫性動(dòng)詞與延續(xù)性動(dòng)詞用法的區(qū)別: 1. 寫出下列動(dòng)詞的延續(xù)性動(dòng)詞 borrow-_ buy-_

8、 leave-_ begin/start-_ join-_ die- _ close-_ open-_ 2. 用since與for填空 _ twenty minutes _an hour ago _yesterday _ last monthbe away (from)be onkeephavebe deadbe in /be a member ofbe closedbe open (adj.)forsincesincesince短暫性動(dòng)詞變?yōu)檠永m(xù)性動(dòng)詞常用以下形式：be + 形容詞/副詞/介詞短語/名詞第八張，PPT共十三頁，創(chuàng)作于2022年6月 六、當(dāng)表示開始于過去并持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)

9、時(shí),延續(xù)性動(dòng)詞可以和表示一段時(shí)間的狀語連用. for+ since + since+ since+ 1. 這輛自行車我已買了三年了。 I _ _the bike _ three years. I _ _ the bike _three years _. 2. 他去年參軍了。 He _ _ _the army _ last year. He _ _ _ _ of the army _ two years.的過去分詞表狀態(tài)的詞延續(xù)性動(dòng)詞havehas主語+一段時(shí)間時(shí)間起點(diǎn)一段時(shí)間+ago一般過去時(shí)的從句havehadforhavehadsinceagohasbeeninsincehasbeenam

10、emberfor第九張，PPT共十三頁，創(chuàng)作于2022年6月含since的典型句子:Its (has been)+一段時(shí)間 +since從句 (過去時(shí))一段時(shí)間 + has passed + since從句(過去時(shí)) Its half an hour _ he _here.（到達(dá)） Half an hour_ _since he _ here. 2. _ twelve years _she _.（去世） Twelve years _ _ since she _. sincearrivedhaspassed gotItssincediedhaspasseddied第十張，PPT共十三頁，創(chuàng)作于2

11、022年6月China has_ a lot these years.Chenglong has _ upsmoking. So far, air pollution has _many problems.China has _ _ the One-child policy to control the population.看圖寫話improved/changedgivencausedcarriedout第十一張，PPT共十三頁，創(chuàng)作于2022年6月中考鏈接：近年有關(guān)中考題( ) 1-I_Fujian Museum twice. How about you? （06福州中考題） -Never

12、. I hope to visit it soon. A. have gone to B. have been to C. have gone D. have been( ) 2.-_you ever _Chinese mooncakes, Diana? - No, never. But I have had noodles. (08年福州中考題) A. Do, try B. Will, try C. Did, try D. Have, tried( ) 3. - Chinas 24th science research team_ at Changcheng Station on January 5, 2008. (08哈爾濱中考題） - Wonderful! Our scientists _ a lot in this field already. A. have arrived; improved B. arrived; has improved C. arrived; have improved( ) 4. Help! WangQiang _ an accident.（08天津中考題) A. was having B. had had C. has had