人教新目标 (Go for it) 版九年级全册Section A教学演示课件ppt

这是一份人教新目标 (Go for it) 版九年级全册Section A教学演示课件ppt，共17页。PPT课件主要包含了Objectives，过去完成时，Practice，Review ，Quiz等内容，欢迎下载使用。
Unit 12Life is full f the unexpected.
1. T learn t understand the use f Past perfect tense2. T be able t write sentences using by the time r befre
Paul and Sarah went t a party last week, but they didn’t see each ther. What happened?
Paul went hme at 10:30.
Sarah arrived at 11 ’clck.
When Sarah arrived at the party, Paul had gne hme.
past perfect
had gne hme
过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作。1. 构成： had+V-ed2. 表示动作发生的时间是“过去的过去”。表示过去某一时间可用by, befre, 等构成的短语，也可用when, befre等引导的从句，或者通过上下文表示。
By last December, he had wrked in Beijing fr five years.
2) 未完成用法：过去某一时刻或某一事件前已经开始，一直延续到这一过去时间，而且到那时还未结束，仍有继续下去的可能性。
过去完成时主要用于表示：
1) 完成用法：过去某一时刻或某一事件前完成的动作或状态。
I had written the article when they came.
Cmplete the fllwing sentences.
1）当我到达学校的时候， 我才意识到我把书包忘在家里了。When I gt t schl, I realized I ______ ______ my backpack at hme. 2）到我返回学校的时候， 铃声已经响过了。____________ I gt back t schl, the bell ____________.
By the time
She said she had wrked in a freign cmpany fr five years befre she became an English teacher.她说在她成为一名英语教师之前已在一家外国公司工作了5年。
注意：过去完成时常用于宾语从句中：主句谓语为过去式（said, asked, tld等），从句用过去完成时，此时从句中的动作发生在主句的动作之前。
1. 当我到车站时，火车已经离开了。2. 他告诉我他从未去过北京。3. 到上个学期结束的时候，我们已经学习 了2000个单词。 4. 他睡觉以前，已经连续工作了12个小 时。
1. When I arrived at the statin, the train had left.
2. He tld me he had never been t Beijing.
3. We had learned 2000 wrds by the end f last term.
4. Befre he slept, he had wrked fr 12 hurs.
Tim went int the bedrm. May gt cffee became cld. I put cream in the cffee.3. The teacher cllected the math hmewrk. I gt t schl.4. I cmpleted the wrk fr my bss. The wrkday ended.5. The mvie started. I arrived at the cinema.6. My mther finished making the apple pie. I gt hme frm my language curse.
1. By the time Mary gt up, Tim had already gne int the bathrm.
2. Befre I culd put cream in the cffee, the cffee had becme cld.
3. By the time I gt t schl, the teacher had cllected the math hmewrk.
4. I had cmpleted the wrk fr my bss befre the wrkday ended.
5. The mvie had started befre I arrived at the cinema.
6. By the time I gt hme frm my language curse, my mther had finished making the apple pie.
Make sentences using by the time r befre.
By the time I arrived at the party, everyne else _______ already _____________.When he put the ndles int a bwl, he realized he _________________ t add the green beans.By the time my mther came back frm the market, I _____ already __________ the dr t g fr my pian she gt t the airprt, she _____________ abut the she ___________ the mvie theater, she remembered she had frgtten t feed her she gt a chance t say gdbye, he _____________ the building.
had frgtten
had gne int
had fund ut
rush ut frget arrive at g int shw up find ut
Fill in the blanks with the crrect frms f the wrds in the bx.
1. By the time I left fr schl in the mrning, _________________________ ______________.2. By the end f the schl day, ________________________________.3. By dinner time, I ___________________.
Write tw true statements and ne false statement abut yur day yesterday. Then ask yur classmates t guess the false statement.
my classmates had cleaned the classrm
I had had six classes
had eaten three apples
1. 构成： had+V-ed2. 表示动作发生的时间是“过去的过去”。可用by, befre, 等构成的短语，也可用when, befre等引导的从句，或者通过上下文表示。
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1. He was unhappy when he sld his guitar. After all, he ________(have) it fr a very lng time. 2. The twins, wh ___________ (finish) their hmewrk, were allwed t play badmintn n the playgrund.
I. Fill in the blanks with the crrect frms f the wrds.
had finished
II. Translatin
我们到剧场时戏已经开演了。六月底为止他们已经治疗了三万个病人。我醒来时雨已经停了。
The play had already started when we gt t the theatre.
By the end f June they had treated 30000 patients.
When I wke up it had already stpped raining.