九年級英語Unit12LifeisfulloftheunexpectedSectionA(1a-2b)王文玲

1、Studying aims1.Learn to use Past Perfect tense（學(xué)會使用過（學(xué)會使用過去完成時態(tài)）去完成時態(tài)）By the time I got outside, the bus had already left. When I got to school, I realized I had left my backpack at home.2. 掌握掌握 把某物忘把某物忘(落落)在某處在某處的表達(dá)的表達(dá): leave sth +表示地點的介詞短語表示地點的介詞短語The Past Perfect Tense過去完成時過去完成時1.過去完成時的構(gòu)成過去完成時的構(gòu)成

2、: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)) + 過去分過去分詞詞By the time I got outside, the bus had already left.2. 過去完成時的用法過去完成時的用法:表示在過去某個時間或動作之前已表示在過去某個時間或動作之前已經(jīng)發(fā)生或完成的動作經(jīng)發(fā)生或完成的動作.也就是也就是過去的過去的過去過去. 8:108:10By the time I got to school,the teacher had started teaching already.now8:258:25 6:006:00By the time Tom got up,

3、 his sister had already washed all the clothes.now7:007:00TomToms sister過去完成時過去完成時 常用的幾種方式常用的幾種方式: 1.與介詞與介詞by構(gòu)成的時間短語連用構(gòu)成的時間短語連用.2. 與與by the time引導(dǎo)的時間狀語從句連用引導(dǎo)的時間狀語從句連用.By the time I got home, she had already gone to bed.我到家時她已經(jīng)睡了。我到家時她已經(jīng)睡了。By the end of last week, we had finished Unit 9.上周結(jié)束的時候，我們已經(jīng)完

4、成了第九單元。上周結(jié)束的時候，我們已經(jīng)完成了第九單元。3.常用在賓語從句中。常用在賓語從句中。4.體現(xiàn)在上下文中。體現(xiàn)在上下文中。I didnt go because I had already seen the film.我沒有去，因為我已看過這部電影。我沒有去，因為我已看過這部電影。他說他去過北京兩次。他說他去過北京兩次。He said he had been to Beijing twice.1.By the time I got up, my brother already in the shower.2.By the time I got outside ,the bus alrea

5、dy .3.When I got to school, I realized I my backpack at home.gottenhadhadhadleftleftTake turns being Tina.Look at the picture and tell what heppened to you this morning.A: What happened to you?B: I overslept. And by the time I got up , my brother had already gotten in the shower.1.When I (get home),

6、 I (realize) I (leave) my keys in the backpack.2.By the time I (get) back to school, the bell (ring).3.By the time I (walk) into class, the teacher (start) teaching already.got homegothad rungwalkedhad startedrealizedhad leftTranslation1.她起床的時候，他的弟弟已經(jīng)進(jìn)入浴室了。她起床的時候，他的弟弟已經(jīng)進(jìn)入浴室了。2.她出去的時候，公共汽車已經(jīng)離開了。她出去的時候，公共汽車已經(jīng)離開了。3.我到學(xué)校的時候，我意識到我把書包落在家里了。我到學(xué)校的時候，我意識到我把書包落在家里了。4.我到家的時候，我把鑰匙落在書包里了。我到家