過去完成時講解

1、過去完成時The Past Perfect Tense過去完成時1.過去完成時的構(gòu)成過去完成時的構(gòu)成助動詞助動詞 had (用于各種人稱和數(shù)用于各種人稱和數(shù)) + 過去分詞過去分詞When I got to school, the bell had rung.2. 過去完成時的用法過去完成時的用法:主要是表示在過去某個時間主要是表示在過去某個時間,或是動或是動作之前已經(jīng)發(fā)生或完成的動作作之前已經(jīng)發(fā)生或完成的動作.也就也就是是過去的過去過去的過去.The Past Perfect Tense過去完成時3. 常用的幾種方式常用的幾種方式:用介詞用介詞by, before 等構(gòu)成的時間短語等構(gòu)成的時

2、間短語.用連詞用連詞when, before, after或者短語或者短語by the time引導的時間狀語從句引導的時間狀語從句.We had learnt 20 English songs by the end of last month.The plane had taken off when I reached the airport.By the time I got up , my brother had left home.1. 否定形式：否定形式：had + not + 過去分詞過去分詞(had not照樣可縮照樣可縮寫寫hadnt)。2.一般疑問形式：一般疑問形式：had提

3、到句首提到句首，回答用，回答用Yes, 主語主語 + had. / No, 主語主語 + hadnt. 例如：例如：Had he told you to go there earlier yesterday?他他昨天告訴過你早點兒到那兒嗎？昨天告訴過你早點兒到那兒嗎？Yes, he had. / No, he hadnt. 是的，他告訴了。是的，他告訴了。/不，不，他沒有。他沒有。3. 被動語態(tài)形式：被動語態(tài)形式：had + been + 過去分詞。過去分詞。如：如：When I got there, the windows had been broken. 常用動詞的過去式和過去分詞常用動詞

4、的過去式和過去分詞play played playedwork worked workedleave left leftsay said saidgo went gonebe was/were beentake took takenget got gottenstart started started break broke broken speak spoke spoken drive drove driven see saw seen eat ate eaten give gave given know knew known grow grew grownthe policeman get

5、 to the shopTom run away By the time the policeman got to the shop, Tom had run away.Speaking-freely :By the time or WhenLiu Mei wake up the concert be over By the time Liu Mei woke up, the concert had been over. his grandma come from AmericaLi Ming grow up By the time his grandma came from America,

6、 Li Ming had grown up.2006 2011 learn 4000 English words By the end ofBy the end of 2006, I had learned 4000 new words.1. We _(learn) two thousands 1. We _(learn) two thousands words by the time I went to Middle School. words by the time I went to Middle School. 3. 3. When we _(arrive) at the statio

7、n, When we _(arrive) at the station, they _(wait) for more than twenty they _(wait) for more than twenty minutes.minutes. had learnedarrivedhad waited2. I _ (know)2. I _ (know) him when I was a him when I was a student. student. had known4. One of the men didnt move, because he 4. One of the men did

8、nt move, because he _ (break) his legs._ (break) his legs. had broken5.By yesterday evening he _ that important letter.(write)6.I thought I _ the man before.(meet)7.By six oclock they _ for ten hours.(work)8.I went to Nicks house,but he _ out.(go)9.I _ the problem when class was over. (not understan

9、d) had writtenhad writtenhad methad methad workedhad worked had gonehad gonehadnt understoodhadnt understood口語練習口語練習1.a.I got up. My brother was in the shower already. b.By the time I got up,my brother _ in the shower already.2.a.I ran outside to the bus stop. The bus was gone. b.3.a.I got home. I r

10、ealized that my homework was still at school. b. had gottenBy the time I ran outside to the bus stop, the bus had already gone.When I got home,I realized that I had left my homework at school.4.a.I woke up. My clock stopped two hours ago. b. 5.a.I got to the cinema at 8. The film started at 7:30. b. 6.a.I got to the party.Jim went home an hour ago. b. By the time I got t