Unit 12 Section B 4a-4c 课件 2024-2025学年人教版英语九年级全册

Unit12 4a-4c When had left By the time had rung got to had already left 1. By the time I arrived at the party, everyone else _ already _ . 2.When he put the noodles into a bowl, he realized he _ to add the green beans. 3. By the time my mother came back from the market, I already _ the door to go for my piano lesson. 4. Before she got to the airport, she _ about the earthquake. 5. When she _ the movie theater, she remembered she had forgotten to feed her dog. 6. Before she got a chance to say goodbye, he _ the building. had showed up had forgotten had rushed out (of ) had found out arrived at had gone into 过去完成时 一、概念 过去完成时表示一个动作或状态在过去某一时间或动作之前 已经完成或结束,也可能是早已完成或结束,即“过去的过去”; 也可以指过去的动作延续到过去的某个时刻。 二、结构 “had +done (动词的过去分词)” 三、用法 1、 表示过去某一时间或动作之前已经发生或完成的动作或存在的状态。 句中常用by, before, when, until等词引导时间状语。 它是以过去某一时间为起点,所以过去完成时是一个相对的时态,表示的是 “过去的过去”只有和过去某时间或某动作相比较时才能用到它。 例: Most of the guests had left when he arrived at the party. 当他到达晚会时,他发现大多数客人已经离开了。 2、 过去完成时还可表示过去某一时刻之前发生的动作或状态 持续到过去某个时间或持续下去, 常与for, since等词连用。 例: When Jack arrived, Mary had been away for almost an hour. 当杰克到时,玛丽已经离开快一个小时了。 【实战演练】 一、用所给词的适当形式填空。 1. When I got there the bus _ (go). 2. By the time I got to class, the teacher_ (start) teaching. 3. We _ (learn) over 1,000 words by the end of last term. 4. I _ (clean) the room before he arrived here. had gone had started had learned had cleaned 二、单项选择。 1. -Was your mother at home when you went back to get your bag? - No,she_ to work. A. has gone B. had gone C. went D. was going 2. -Did you meet Paul at the airport? - No,his plane_ by the time I _there. A. has taken off ; got B. took off ; had got C. took off ; arrived D. had taken off ; arrived 3. - Were you late for the meeting? - Yes. By the time I arrived,the meeting_ for ten minutes. A. has begun B. has been on C. had ended D. had lasted B D D 二、单项选择。 4. -He said he_Kate for 5 years. -Really? Mary has never told us anything about her marriage. A. had been married to B. has got married to C. has married to D. had been married with 5. -You missed the beginning of the movie. - Yes. By the time I got to the cinema, it had _ for ten minutes. A. begun B.been on C. started D. played 6. We _ the work by six yesterday evening. A.finished B.would finish C.had finished D.had been finished A B C 二、单项选择。 7. Mrs.Wu told me that her sister_ A. left about two hours before B. would leave about two hours before C. has left about two hours ago D. had left about two hours before 8. Whe I reached home,my parents_ their supper. A. are having B. have already had C. have had D. had already had D D 二、句型转换。 1. She told me,"I have never seen the film before."(改为宾语从句) She told me _ she _ never _ the film before. 2. The teacher asked,"Jim,have you brushed your teeth?"(改为宾语从句) The teacher asked me _ he _ _ his teeth. 3. The bus had already left.(改为反义疑问句) The bus had already left,_ _ ? that had seen if / whether had brushed hadn't it by the time 意为“到……时候(为止)” By the time you came back, I had finished this book. 你回来时我已经把这本书看完了。 by the end of +时间点 意为“到……结束时” By the end of last year, I had stayed in Xi’an for seven years. 到去年结束时,我已经在西安待了7年了。 by+时间点 意为“到……为止;截止……时” By now, I have finished all my homework. 截止现在,我已经完成了所有的作业。 By yesterday, the building had been completed. 截止昨天,这个建筑就已经完成了。 二、句型转换。 1. When she got home,her son had dressed himself. (改为同义句) _ _ _ she got home,her son had dressed himself. 2. 我到车站时,火车已经走了。 _ _ _ I got to the station,the train had already gone. By the time By the time 三、补全句子。 1. By the time I left for school in the morning,_ 2.By the end of the school day,_ 3.By dinner time, _ my dad had already gone to work. Jim had finished all his schoolwork. the TV program had been on fifteen minutes. it had already been 11:00 P.M. So I went to sleep my brother had already gone into the bathroom the school bus had already left 三、补全句子。 1. A: Why didn't you hand in your science homework? B: Before I could start working on it,_ 2. A: Why didn't you take a shower this morning? B: By the time I got up, _ 3. A: Why did you have to walk home from school? B: By the time I left my school,_ 三、翻译句子。 1. 她醒来的时候,妈妈已经准备好了早餐。 2. 等老师进来的时候,除了杰克以外所有的人都来了。 3. 当他到家的时候,他意识到把钥匙忘在了学校。 By the time she woke up, her mom had already prepared breakfast. By the time the teacher came in, everyone had shown up except Jack. When he got home, he realized ( that ) he had left the keys in the school. 三、翻译句子。 4. 记者到达时,已有数千人来帮助这些无家可归的人了。 5.我醒之前,雪已经停了。 By the time the reporter arrived, thousands of people had come to help the homeless people. Before I woke up, the snow had already stopped. market west accident officers missed lady unexpected canceled 长江作业本P16 语块积累 1.打算、即将做某事 2.(与......)排队等候 3. 盯着看;凝视 4. 难以置信地 5. 感到幸运 6. 一栋正在燃烧的建筑 7. 一个说再见的机会 8. 到晚会结束的时候 be about to do sth. wait in line with ... stare at in disbelief feel lucky a burning building a chance to say goodbye by the time the party ended 完成句子 9. got to 10. rising above 11. heard of / about 12. turned into 13. By the time 模仿造句 14. I am not going to stop as I am about to succeed. 16. I am not going to stop as I am about to succeed. $$