1、Revision,The Present,Perfect Tense,現(xiàn)在完成時,1.現(xiàn)在完成時態(tài)表示過去發(fā)生的動作對現(xiàn)在造成的影響或結(jié)果 Our teacher has left. We have studied English. I have already finished the homework. He has had his lunch. He has become a doctor.,構(gòu)成,have/has+過去分詞,2.某個動作從過去已經(jīng)開始,一直持續(xù)到現(xiàn)在,還有可能持續(xù)到將來.動作的持續(xù)性要通過一段時間來表示.,(1) recently, in recent years (2

2、) For/in/during/over the last/past 30 years, great changes have taken place in my hometown.,(3)Since + 過去的某一時刻, since nine yesterday since last week since you came since you got home. We havent seen each other since last year. We havent seen each other since we graduated from our university.,The Pas

3、t Perfect Tenses,New,過去完成時,現(xiàn)在完成時：,助動詞have / has + 過去分詞,過去完成時：,助動詞had + 過去分詞,構(gòu)成？,我認(rèn)識他三年了。,I have known him for three years.,I had known him when I was a student.,我當(dāng)學(xué)生時，就已經(jīng)認(rèn)識他了。,我已經(jīng)做完作業(yè)了。,表示在說話時已經(jīng)做完。,I have finished my home-work.,在六點以前，我就已經(jīng)完成作業(yè)了。,By six oclock, I had finished my homework.,表示在過去的某一段時間（

4、six oclock 以前）已經(jīng)做完作業(yè)，與現(xiàn)在無關(guān)。,他們已經(jīng)吃過早飯了。,在他們到旅館之前他們已經(jīng)吃過早飯了。,They have already had breakfast.,They had already had breakfast before they arrived at the hotel.,我從未看過如此令人興奮的比賽,他說他從未看過如此令人興奮的比賽。,I have never seen such an exciting match before!,He said that he had never seen such an exciting match before!,

5、過去完成時與現(xiàn)在完成時二者用法基本相同，但現(xiàn)在完成時以現(xiàn)在時間為基點，過去完成時則以過去的時間為基點，與現(xiàn)在無關(guān)，即過去的過去。過去完成時常用于賓語從句中;,Summary,用于由by, before 等構(gòu)成的短語引導(dǎo)的從句或者通過上下文表示。 具體用法如下：,Before I met her,I had heard a lot about her.,Before / When / By the time/By By the end of,+,過去時態(tài),+,從句,過去完成時態(tài),主句,（2） by the time （= when）,我們趕到學(xué)校時，已經(jīng)上課了。,到時,_ we got to s

6、chool, the class _ already _,By the time,had,begun.,當(dāng)我到達(dá)火車站時，火車已經(jīng)開走了。,By the time I _ to the station, the train _ already _ .,got,had,left,到上學(xué)期末，我們共學(xué) 1500 個單詞。,By the _ of _ term we _ _1,500 words,end,last,had learnt,當(dāng)他到學(xué)校時，他意識到他把作業(yè)忘在家里了。,When he _ to school, he _ that he _ his homework at home.,had

7、 left,got,realized,Put the Chinese into English,She said they _ _all the preparation _ I came.,had,made,before,她說在我來之前她們已經(jīng)做好了一切準(zhǔn)備。,當(dāng)我到達(dá)學(xué)校時，學(xué)生們都已經(jīng)放學(xué)了。,School _ over by the time I _ there.,had been,got,當(dāng)我遲到20分鐘到機場時，他已經(jīng)乘出租車去賓館了。,He _ _ a taxi to the hotel when I _ _ the airport 20 minutes later.,had ta

8、ken,got to,當(dāng)我昨天到達(dá)電影院時，電影已經(jīng)開始了。,When I got to the cinema yesterday, the film had already begun.,他說他從來沒讀過如此有趣的故事。,He said that he had never read such an interesting story,1.（2011天津卷）In the last few years thousands of films all over the word Ahave produced Bhave been produced Care producing Dare being

9、produced 2.（2011北京卷）Experiments of this kind in both the USand Europe well before the Second World War Ahave conducted Bhave been conducted Chad conducted Dhad been conducted,B,D,3（2011四川卷）19What a mistake! YesI his doing it another way, but without success Awas suggesting Bwill suggest Cwould sugge

10、st Dhad suggested 4.（2011遼寧卷）By the time Jack returned home from England, his son_from college Agraduated Bhas graduated Chad been Dhad graduated 5.（2011湖南卷）It is the most inspiring lecture that I _since I came to this school Aattended Bhad attended Cam attending Dhave attended,D,D,D,6.（2011山東卷）She was surprised to find the fridge empty; the child _ everything! Ahad been eating Bhad eaten Chave eaten Dhave been eating 7.（2011福建卷）Last month, the Japanese government expressed their thanks for the aid they_ from China Areceive Bare receiving Chave received Dh