过去完成时详解和练习.ppt

Grammar in Unit 7,一、过去完成时,二、过去完成时与现 在完成时的比较,三、过去完成时与一般过去时的比较,一、过去完成时,1.意义：表示一个动作在过去某一个动作或过去某一时间之前已经发生或完成。 2.形式：1）肯定式： 2）否定式： 3）疑问式：,had+ Ved,had not +Ved,Had +主语+Ved,给出下列动词过去完成时的肯定式和否定式(注意Ved的变化规则),1.apologize 2.promise 3.blame 4.manage 5.forgive,had apologized; had not apologized,had promised; had not promised,had managed;had not managed,had blamed; had not blamed,had forgiven; had not forgiven,6.satisfy 7.camp 8.hunt 9.attract 10.damage 11.injure 12.rush,had satisfied; had not satisfied,had camped; had not camped,had hunted; had not hunted,had attracted; had not attracted,had damaged; had not damaged,had injured; had not damaged,had rushed; had not rushed,过去完成时的例句：,1.He had told them the story of the broken bike on Monday when he was 20 minutes later for class.,星期一他迟到20分钟就借故说是自行车坏了。,2.He had nearly forgotten about the shoe problem. 3.We had not finished it when he came back. 4.Had you finished the work when he came back?,他差不多把鞋的事忘了。,他回来时我们还没有完成。,他回来时你们工作完成了吗？,二、过去完成时与现在完成时的比 较,过去完成时与现在完成时的时间出发点不同。过去完成时以过去某个时间为基点，而现在完成时以现在作为时间的基点。因此，过去完成时是现在完成时的过去时。,Tom is not hungry. He has just had breakfast. Tom was not hungry, He had just had breakfast.,例句比较：,(现在完成时),(过去完成时),三、过去完成时与一般过去时的比较,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；而过去完成时表示在过去某一时间之前完成的动作。,1.We got to the station at 8:00, but the train had left. 我们八点到达车站，但火车已开走了。 2. We got to the station at 8:00, but the train left at 7:30. 我们八点到达车站，但火车七点半就开走了。,3. When I arrived home, My parents had had dinner. 我到家时，我父母已吃过饭了。 4. When I arrived home, we had dinner together. 我一到家，我们就一起吃饭。,Exercises:,1.Choose the correct tense 1).The office was empty when the police arrived. The thieves had left/left. 2). We had just started lunch when the telephone had rung/rang.,had left,rang.,3). Andrew was late for school yesterday. When he got to the classroom, the lessons had started/started.,4).They waited until everyone was ready and then they had started / started the meeting.,had started,started,5).I didnt know the way to Johns house because I hadnt been/wasnt there before. 6). “Was Tom there when you arrived?” “Yes, but he had gone/ went home soon afterwards.”,hadnt been,went,2、Fill in the blanks with correct tenses.,1）.Film maker David Morris_ (be) interested in the cinema since he _ (be) a small child. 2）.The students _ (catch) the thief before the policemen came.,has been,was,had caught,3). Jane loves travelling, Her work _ (take) her all over the world. She _(be) to Africa, India, Australia, China and South America. 4).The house was very quiet when I got home. Everybody _(go) to bed.,has taken,has been,has gone,5.They _(buy) a house on the island in 1987 and they _ (live) there since then. 6. Andrew _ (do) the test before,so he found it very easy. 7.There was a car by the side of the road, It _ (break) down. So we _ (stop) to see if we could help.,bought,have lived,had done,had broken,stopped,3.Complete the following sentences:,1).I didnt go to the film last week, because_ (我已经看过两次了) 2).How many words _ (已经学了)by the end of last term? 4). She had started to play the piano_ (在她五岁时),I had already seen it twice,had you learned,at the age of five,4).She _ (给我们看裙子)she had just bought. 5). He had learne