九年级全册Section A一等奖ppt课件

这是一份九年级全册Section A一等奖ppt课件，文件包含Unit12LifeisfulloftheunexpectedSectionAgrammerfocus-4cpptx、哆啦A梦mp4等2份课件配套教学资源，其中PPT共18页， 欢迎下载使用。

As Nbita and Draemn ___________in the drway（在门口）, they ______ dad’s lud vice.
were standing
Draemn____________use his magic pcket t help dad when he saw this scene.
was abut t
When I gt t schl, I realized that I had left my backpack at hme. By the time I gt back t schl, the bell had rung. Befre I gt t the bus stp, the bus had already left.
I was abut t g up t my ffice when I decided t get a cffee first.As I was waiting in line with the ther ffice wrkers, I heard a lud sund.
由when, by the time, befre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。
be abut t d, be ding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。
(一)概念：过去完成时表示某一动作或状态在过去某一时间或动作之前已经发生或完成， 也可以指过去的动作延续到过去的某一时刻，它表示发生的时间是“过去的过去”。
(二)构成：过去完成时由“助动词had(用于各种人称和数)＋过去分词”构成
肯定式：had + 动词的过去分词       否定式：hadn't + 动词的过去分词　 疑问式：Had … + 动词的过去分词? 简略回答: Yes, 主 + had.　　    N, 主 + had nt. 特殊疑问句：特殊疑问词或词组+一般疑问句 (Had+主语+过去分词)?
Let’s practice
按要求改写句子。 I had sld the ticket when she came.（改为否定句） __________________________________2. By the time he gt t the airprt, the plane had taken ff. (改为一般疑问句) __________________________________________________?3. Jack didn’t g t the cinema because he had seen the film.（对划线部分提问）__________________________________4. We cked the dumplings. We ate them up. （用过去完成时连接两句） __________________________________
I had nt sld the ticket when she came.
Had the plane taken ff by the time he gt t the airprt
Why didn’t Jack g t the cinema?
After we had cked the dumplings, we ate them up.
一般过去时、现在完成时与过去完成时
1.一般过去时表示在过去某时发生的动作或存在的状态。 We started t learn English 5 years ag. 我们五年前开始学英语。
2. 现在完成时表示过去的动作对现在产生的结果或造成的影响, 与现在有关。结构为:“助动词 have(has)+过去分词” 。We have learned English fr 5 years.我们已经学了五年的英语了。
3. 过去完成时表示在过去某个时间或动作之前已经发生或完成了的动作或存在的状态，即“过去的过去(past-in-the-past) We had learned English fr 5 years by last year. 到去年为止，我们已经学英语五年了。　　　　　
have learned(现在完成时)
had learned(过去完成时)
started(一般过去时)
过去完成时动词表示过去某一时间或某一动作之前完成的动作或状态。 强调过 去某一动作发生在另一动作之前时。
1. He said that he _________ (see) yu befre.2. When I gt there, the bus _________ (g). 3. By the time I gt t class,  the teacher___________ (start) the class.  4. We _________ (learn) ver 1,000 wrds by the end f last term.5. I __________ (clean) the rm befre he arrived here. 
had started
had cleaned
2.过去完成时词可以表示过去某一时刻之前发生的动作或呈现的状态，这一动作一直持续或将继续下去。
1. By six ’clck they ____________ (wrk)fr eight hurs.2. When I came t GZ , he _____________(be) there fr a lng time.3. I ___________ (be)t Beijing twice by the end f last year. 4. she___________(wrk) in the hspital fr 5 years.
4a Make sentences using by the time r befre.
1. Tim went int the bathrm. Mary gt up. ____________________________________ ____________________________________2. The cffee became cld. I put cream (n. 奶油) in the cffee. __________________________________ __________________________________3. The teacher cllected the math hmewrk. I gt t schl. ________________________________________ ________________________________________
Befre I put cream in the cffee, the cffee had becme cld.
By the time Mary gt up,Tim had already gne int the bathrm.
By the time I gt t schl, the teacher had cllected the math hmewrk.
4. I cmpleted the wrk fr my bss. The wrkday (n. 工作日) ended. ________________________________________ ________________________________________5. The mvie started. I arrived at the cinema. __________________________________ __________________________________6. My mther finished making the apple pie (n. 苹果派). I gt hme frm my language curse. ______________________________________ ______________________________________
The mvie had started befre I arrived at the cinema.
By the time I gt hme frm my language curse, my mther had finished making the apple pie.
I had cmpleted the wrk fr my bss befre the wrkday ended.
4b Fill in the blanks with the crrect frms f the wrds in the bx.
1. By the time I arrived at the party, everyne else _____ already ____________.2. When he put the ndles int a bwl, he realized he ______________ t add the green beans (n. 豆).3. By the time my mther came back frm the market (n. 市场), I ____ already __________ f the dr t g fr my pian lessn.4. Befre she gt t the airprt, she ____________abut the earthquake. 5. When she _____________ the mvie theater, she remembered she had frgtten t feed her dg.6. Befre she gt a chance t say gdbye, he____________the building.
had frgtten
had rushed ut
had fund ut
had gne int
4c Write tw true statements and ne false statement abut yur day yesterday. Then ask yur classmates t guess the false statement.
1. By the time I left fr schl in the mrning, __________________________________ __________________________________ __________________________________2. By the end f the schl day, __________________________________ __________________________________ __________________________________3. By dinner time, I_________________________________ I_________________________________ I_________________________________
I had already had breakfast.
I had already had supper.
I had already had my hair cut.
I had finished my hmewrk.
I have gt a present frm Tm.
I had had these articles read.
had had t many apples.
had eaten plenty f meat.
have had all the husewrk finished.
1. When Tim get back hme, he started t realize that the thief ___________ (cme) t his huse.2. By the time I received the letter, I ________________ (tell) the cntent f it.
had been tld
Ⅰ.用括号里所给词的适当形式填空。
Ⅲ. 用方框中词的适当形式完成下面的句子。
market burn  abve  miss unexpected pie 
1. I gt up late and ______ the early bus this mrning.2. The muntain is 1, 000 meters ______ the sea level.  3. My daughter went with me t the ________ and  bught clthes.  4. His wife made sme apple _____ fr dinner.5. He became wrried when he heard f the  ______________ news.