2018年秋人教版英语（浙江）九年级上册课件：Unit 12Section A grammar focus(共27张PPT).ppt

Unit 12 Life is full of the unexpected.,Section A 3 Grammar Focus,把下列短语翻译成英语1. 即将 2. 倒杯咖啡 3. 排队等候 4. 起床 5. 出去,be about to,get a coffee,wait in line,get up,get outside,Revision,6. 迟到 7. 到时候 8. 闹铃响 9. 开始做某事 10. 搭便车,be late for,by the time,go off,start doing sth.,give sb. a lift,What happened to you on a bad morning?,First, I had slept when the clock went off. Then by the time I ate breakfast, I had hurt my hand with a knife. Before I went to school, I had gone to the doctor.,What about your morning?,时态分析： “去办公室”是发生在过去的事情，而“忘记吃早饭”发生在“去办公室”之前，所以第二个谓语动作发生在第一个谓语之前，是“过去的过去”，要用过去完成时。

I had forgotten to have breakfast before I going to the office this morning. 今天早晨去办公室之前，我忘记吃早饭了表示过去某一时间或动作以前已经发生或完成了的动作它表示动作发生的时间是“过去的过去” 表示发生在过去的动作对过去的某一点造成的某种影响或结果，用来指定在另一个过去行动之前就已经完成了的一个事件过去完成时,e.g. By nine oclock last night, we had got 200 pictures from the spaceship. I had been at the bus stop for 20 minutes when a bus finally came. He said he had worked in that factory since 1949. The train had left before Tina reached the station.,过去完成时的构成： 过去完成时的谓语由“助动词had+过去分词”构成否定式为“had not+过去分词”，had not缩写为hadnt。

过去完成时的用法： 1)表示个动作或状态在过去某一时间或动作之前已经完成，发生在“过去的过去”这个过去的时间可以用by，before等介词短语或者个时间状语从句来表示 e.g. When I woke up，it had stopped raining. 我醒来时，雨已经停了2) 表示某一动作或状态在过去某时之前已经开始，一直延续到这一过去的时间常用表延续的时间状语如： by the end of+ 过去的时间点，by the time+从句等 e.g. By the end of last year, she had worked in the factory for twenty years. 到去年年底，她已经在这家工厂工作20年了1. 过去完成时的构成：_+_ 2. 过去完成时表示： _ 3. 过去完成时常与_等引导的时间状语连用had,过去分词,when, before, by the time,过去某一时刻或动作之前已经发生或完成的动作Finish the task,1)当我到达学校的时候，我才意识到我把书包忘在家里了 _ I got to school, I realized that I _ _ my backpack at home. 2)到我返回学校的时候，铃声已经响过了。

_ _ _ I got back to school, the bell _ _.,When,had,left,By the time,had rung,根据汉语提示完成句子Grammar Focus,3)我到达公共汽车站之前， 汽车已经离开了 Before I _ _ the bus stop, the bus _ _ _. 4)我决定先买一杯咖啡，然后再去办公室 I _ _ _ go up to my office when I decided to get a coffee first.,got to,had,already left,was about to,5)就在我和别的工作人员一起排队等候的时候，听到了一个巨大的声响 As I _ _ _ _ with the other office workers, I _ _ _ _.,was waiting in line,heard a loud sound, When I got to school, I realized that I had left my backpack at home. By the time I got back to school, the bell had rung. Before I got to the bus stop, the bus had already left.,由when, by the time, before等引导时间状语从句时，若描述发生在过去的事，主句常用过去完成时(had + 过去分词)表示动作发生在过去的过去。

I was about to go up to my office when I decided to get a coffee first. As I was waiting in line with the other office workers, I heard a loud sound.,be about to do, be doing等表示即将或正在做某事时，常用when引导从句表示突然发生的动作现在完成时与过去完成时的区别： 现在完成时表示的动作发生在说话之前某个没有明确说出的过去时间，侧重过去发生的动作对现在产生的影响或造成的结果，与现在有关； 过去完成时的动作发生在“过去的过去”，它是一个相对的时态，不能离开过去的时间而独立存在e.g. We have learned 1,000 English words so far. We had learned 1,000 English words by then.,4a,Make sentences using by the time or before.,Tim went into the bathroom. Mary got up. By the time Mary got up, Tim had already gone into the bathroom. 2. The coffee became cold. I put cream (n. 奶油) in the coffee.,Before I put cream in the coffee, the coffee had become cold.,3. The teacher collected the math homework. I got to school. 4. I completed the work for my boss. The workday (n. 工作日) ended.,By the time I got to school, the teacher had collected the math homework.,I had completed the work for my boss before the workday ended.,5. The movie started. I arrived at the cinema. 6. My mother finished making the apple pie (n. 果馅派). I got home from my language course.,The movie had started, before I arrived at the cinema.,By the time I got home from my language course, my mother had finished making the apple pie.,4b,Fill in the blanks with the correct forms of the words in the box.,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 (n. 豆). 3. By the time my mother came back from the market (n. 市场), I _ already _ of the door to go to my piano lesson.,rush out, forget, arrive at, go into, show up , find out,showed up,had,had forgotten,had,rushed out,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.,arrived at,had gone into,4. Before she got to the airport, she _ _ about the earthquake.,had found,out,4c,Write two true statements and one false statement about your day yesterday. Then ask your classmates to guess the false statement.,1. By the time I left for school in the morning,I had already had breakfast.,I had already had supper.,I had already had my hair cut.,2. By the end of the school day, 3. By dinner time, I I I,I have got a present from Tom.,I had had these articles read.,I had finished my homework.,had had too many apples.,had eaten plenty of meat.,have had all the housework finished.,.根据汉语及提示，翻译下列句子。

1.这个沙发能变成床吗？(turn into) _ 2.到上周末苏(Sue)已经在北京呆了两个月了by the end of) _ _,Exercises,Can the sofa turn into a bed?,By the end of last week Sue had stayed inBeijingfor two months.,3.由于恶劣的天气比赛将被推迟到下。