九年级unit12SectionA3课件(教育精品).ppt

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1、把下列短语翻译成英语。把下列短语翻译成英语。1.即将即将 2.倒杯咖啡倒杯咖啡3.排队等候排队等候 4.起床起床5.出去出去 be about to get a coffee wait in line get up get outside 6.迟到迟到7.到时候到时候 8.闹铃响闹铃响9.开始做某事开始做某事 10.搭便车搭便车be late forby 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 wen

2、t 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?I had forgotten to have breakfast before I going to the office this morning.今天早晨去办公室之前，我忘记吃早饭今天早晨去办公室之前，我忘记吃早饭了。了。时态分析：时态分析：“去办公室去办公室”是发生在过去的事情，而是发生在过去的事情，而

3、“忘记吃早饭忘记吃早饭”发生在发生在“去办公室去办公室”之前，之前，所以第二个谓语动作发生在第一个谓语之所以第二个谓语动作发生在第一个谓语之前，是前，是“过去的过去过去的过去”，要用过去完成时。，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。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。它表示动作发生发生或完成了的动作。它表示动作发生的时间是的时间是“过去的过去过去

4、的过去”。表示发生在过去的动作对过去的某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在另一个过去行动之前就已经完成了的一个事件。一个事件。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

5、.Mr.Smith died yesterday.He had been a good friend of mine.Finish the task1.过去完成时的构成：过去完成时的构成：_+_2.过去完成时表示：过去完成时表示：_ _3.过去完成时常与过去完成时常与_等引导的时间等引导的时间状语连用。状语连用。had过去分词过去分词when,before,by the time 过去某一时刻或动作之前已经发生或过去某一时刻或动作之前已经发生或完成的动作。完成的动作。1)当我到达学校的时候，我才意识到我把书当我到达学校的时候，我才意识到我把书包忘在家里了。包忘在家里了。_ I got to s

6、chool,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。到我返回学校的时候，铃声已经响过了。_ _ _ I got back to school,the bell _ _.WhenhadleftBy the time had rung根据汉语提示完成句子。根据汉语提示完成句子。3)我到达公共汽车站之前，我到达公共汽车站之前，汽车已经离开汽车已经离开了。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。我决定先买一杯咖啡，然后再去办公室。I _

7、 _ _ go up to my office when I decided to get a coffee first.got to hadalready left was about to5)就在我和别的工作人员一起排队等候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。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

8、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.由由when,by the time,before等引导时间状语等引导时间状语从句时，若描述发生在过去的事，主句常用从句时，若描述发生在过去的事，主句常用过去完成时过去完成时(had+过去分词过去分词)表示动作发生在表示动作发生在过去的过去。过去的过去。I was about to go up to my office when I decided

9、 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等表示即将等表示即将或正在做某事时，常用或正在做某事时，常用when引导从引导从句表示突然发生的动作。句表示突然发生的动作。4aMake sentences Make sentences using using by the timeby the time or or beforebefore.1.Tim went into the bathroom.M

10、ary got up.By the time Mary got up,Tim had already gone into the bathroom.2.The coffee became cold.I put cream(n.奶奶 油油)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 work

11、day(n.工作日工作日)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.果馅派果馅派).I got home from my language course._ _ _The

12、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.4bFill in the blanks with Fill in the blanks with the correct forms of the correct forms of the words in the box.the words in the box.1.By the time I arrived at

13、 the party,everyone else _ already _.2.When he put the noodles into a bowl,he realized he _ to add the green beans(n.豆豆).rush out,forget,arrive at,go into,show up(赶到；露面赶到；露面),find outshowed uphadhad forgotten3.By the time my mother came back from the market(n.市场市场),I _ already _ the door to go for m

14、y 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.hadrushed out arrived athad gone intohad foundout4cWrite two true Write two true stat

15、ements and one statements and one false statement about false statement about your day yesterday.your day yesterday.Then ask your Then ask your classmates to guess classmates to guess the false statement.the false statement.1.By the time I left for school in the morning,_ _ _I had already had breakf

16、ast.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.1.When Tim get

17、 back home,he started to realize that the thief _(come)to his house.2.By the time I received the letter,I _(tell)the content of it.用括号里所给词的适当用括号里所给词的适当用括号里所给词的适当用括号里所给词的适当形式填空。形式填空。形式填空。形式填空。had comehad been told翻译下列句子。翻译下列句子。1.当他到达学校的时候，老师已经开始当他到达学校的时候，老师已经开始 上课了。上课了。_ _2.当我出来的时候，我爸爸已经离开家当我出来的时候，我爸

18、爸已经离开家了。了。_By the time he got to school,the teacher had already started teaching.When I got outside,my father had left home.3.在我拿书包以前我把门锁上了。在我拿书包以前我把门锁上了。_ _4.在她做完作业之前我妈妈已经回来在她做完作业之前我妈妈已经回来 了。了。_ _Before I got my schoolbag,I had locked the door.Before she finished her homework,my mother had already been back.1.复习复习Grammar Focus 中的内容。中的内容。Try to make sentences with before,by the time and be doing when,and make use of the past perfect tense.2.写作：写作：描述一次难忘的经历。描述一次难忘的经历。