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2021学年Section A优质ppt课件
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这是一份2021学年Section A优质ppt课件，共20页。PPT课件主要包含了Exercises，Homework等内容，欢迎下载使用。
Key wrds & phrases: cream, wrkday, shw up, bean, market, by the end f Key sentences: 1.By the time I arrived at the party, everyne else had already shwn up. 2. When she arrived at the mvie theater, she remembered she had frgtten t feed her dg. .T learn the past perfect tense.
Presentatin
Grammar Fcus
过去完成时：用来描述在过去某一时间或动作之前已经发生或完成了的动作。(过去的过去)由“助动词had(用于各种人称和数) + 过去分词”构成。否定式：had nt + 过去分词 。缩写形式：hadn’t + 过去分词 。
(1) 肯定句：主语 + had + 过去分词 + 其他.(2) 否定句：主语 + hadn’t + 过去分词 + 其他.(3) 一般疑问句：Had+ 主语 + 过去分词 + 其他? 肯定回答：Yes, 主语 + had. 否定回答：N, 主语 + hadn’t.
表示一个动作或状态在过去某一时间动作之前已经发生或完成，常与by、 befre等构成的时间短语连用。常用在said、tld、knew、heard、realized等后面的宾语从句中。(3) 在含有when、 befre等引导的时间状语从句的复 合句中， 如果从句的时态为一般过去式，主句常用过去完成时。(4) 过去完成时是一个相对的时态，只有和过去的某个时间或动作相比较时才会用到，因此可通过分析语境来确定时态。
过去完成时与一般过去时的区别
一般过去时表示过去某时间发生的动作或存在的状态，而过去完成时则表示过去某一时间以前（即过去的过去）发生的动作或存在的状态。
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 in the cffee. __________________________________ __________________________________
Befre I put cream in the cffee, the cffee had becme cld.
By the time Mary gt up,Tim hadalready gne int the bathrm.
3. The teacher cllected the math hmewrk. I gt t schl. ________________________________________ ________________________________________4. I cmpleted the wrk fr my bss. The wrkday ended. ________________________________________ ________________________________________
By the time I gt t schl, the teacher had cllected the math hmewrk.
I had cmpleted the wrk fr my bss befre 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. ______________________________________ ______________________________________ ______________________________________
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.
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.3. By the time my mther came back frm the market, I ______ already __________ f the dr t g t my pian lessn.
rush ut frgetarrive atg intshw up find ut
had frgtten
4. Befre she gt t the airprt, she _____________ abut the earthquake.5. When she _________ the mvie theatre, she remembered she had frgtten t feed her dg.6. Befre she gt a chance t say gdbye, he _____________ the building.
arrived at
had gne int
had fund ut
Write tw true statements and ne false statement abut yur day yesterday. Then ask yur classmates t guess the false statement.
By the time I left fr schl in the mrning, _______________. By the end f the schl day, ___________________________.By dinner time, I _____________________________________.
Language pints
By the end f the schl day, … (教材P92 4c)
by the end f 在（某时间点）以前
by the end f 含有“不迟于”的意思。通常情况下，根据by the end f后接的时间的不同，主句选用相应的时态：(1) 接将来的时间，主句用一般将来时。By the end f next mnth, I will g t Shanghai t attend a meeting.By the end f last mnth, I had read 3 bks.
(2) 接现在的时间，句子用现在完成时。By nw, we have learned 6 English sngs.(3) 接过去的时间，句子用过去完成时。By the end f last mnth, I had read 3 bks.
1. By the time I gt t the cinema, the mvie _______ fr 10 minutes. A. has been n B. had been n C. had stpped D. had begun2. Rbert was very upset that mst f his friends _______ when he ______ at the party. A. left; had arrived B. had left; arrived C. left; arrived D. had left; had arrived
3. She _______ her keys in her ffice s she had t wait until her husband ______ hme. A. has left; cmes B. had left; wuld cme C. had left; came D. left; had cme4. She said she ________ the stry already. A. has read B. read C. will read D. had read5. They ______ 100 hundred trees by last weekend. A. planted B. have planted C. will have planted D. had planted
1.I had cked the dinner when my parents came back. (改为否定句) I __________ _________ the dinner when my parents came ’s brther went int the bathrm and then Mary gt up. (改写句子) When Mary _____ ______ , her brther ____ ____ ___ the the time she gt up, her mther had gne t wrk. (对画线部分提问) ______ _____her mther dne by the time she gt up?
hadn’t cked
had been in
gt up
What had
Preview the new wrds and phrases in Sectin B(1a-1e).D the exercises in students’ bk.
Key wrds & phrases: cream, wrkday, shw up, bean, market, by the end f Key sentences: 1.By the time I arrived at the party, everyne else had already shwn up. 2. When she arrived at the mvie theater, she remembered she had frgtten t feed her dg. .T learn the past perfect tense.
Presentatin
Grammar Fcus
过去完成时：用来描述在过去某一时间或动作之前已经发生或完成了的动作。(过去的过去)由“助动词had(用于各种人称和数) + 过去分词”构成。否定式：had nt + 过去分词 。缩写形式：hadn’t + 过去分词 。
(1) 肯定句：主语 + had + 过去分词 + 其他.(2) 否定句：主语 + hadn’t + 过去分词 + 其他.(3) 一般疑问句：Had+ 主语 + 过去分词 + 其他? 肯定回答：Yes, 主语 + had. 否定回答：N, 主语 + hadn’t.
表示一个动作或状态在过去某一时间动作之前已经发生或完成，常与by、 befre等构成的时间短语连用。常用在said、tld、knew、heard、realized等后面的宾语从句中。(3) 在含有when、 befre等引导的时间状语从句的复 合句中， 如果从句的时态为一般过去式，主句常用过去完成时。(4) 过去完成时是一个相对的时态，只有和过去的某个时间或动作相比较时才会用到，因此可通过分析语境来确定时态。
过去完成时与一般过去时的区别
一般过去时表示过去某时间发生的动作或存在的状态，而过去完成时则表示过去某一时间以前（即过去的过去）发生的动作或存在的状态。
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 in the cffee. __________________________________ __________________________________
Befre I put cream in the cffee, the cffee had becme cld.
By the time Mary gt up,Tim hadalready gne int the bathrm.
3. The teacher cllected the math hmewrk. I gt t schl. ________________________________________ ________________________________________4. I cmpleted the wrk fr my bss. The wrkday ended. ________________________________________ ________________________________________
By the time I gt t schl, the teacher had cllected the math hmewrk.
I had cmpleted the wrk fr my bss befre 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. ______________________________________ ______________________________________ ______________________________________
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.
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.3. By the time my mther came back frm the market, I ______ already __________ f the dr t g t my pian lessn.
rush ut frgetarrive atg intshw up find ut
had frgtten
4. Befre she gt t the airprt, she _____________ abut the earthquake.5. When she _________ the mvie theatre, she remembered she had frgtten t feed her dg.6. Befre she gt a chance t say gdbye, he _____________ the building.
arrived at
had gne int
had fund ut
Write tw true statements and ne false statement abut yur day yesterday. Then ask yur classmates t guess the false statement.
By the time I left fr schl in the mrning, _______________. By the end f the schl day, ___________________________.By dinner time, I _____________________________________.
Language pints
By the end f the schl day, … (教材P92 4c)
by the end f 在（某时间点）以前
by the end f 含有“不迟于”的意思。通常情况下，根据by the end f后接的时间的不同，主句选用相应的时态：(1) 接将来的时间，主句用一般将来时。By the end f next mnth, I will g t Shanghai t attend a meeting.By the end f last mnth, I had read 3 bks.
(2) 接现在的时间，句子用现在完成时。By nw, we have learned 6 English sngs.(3) 接过去的时间，句子用过去完成时。By the end f last mnth, I had read 3 bks.
1. By the time I gt t the cinema, the mvie _______ fr 10 minutes. A. has been n B. had been n C. had stpped D. had begun2. Rbert was very upset that mst f his friends _______ when he ______ at the party. A. left; had arrived B. had left; arrived C. left; arrived D. had left; had arrived
3. She _______ her keys in her ffice s she had t wait until her husband ______ hme. A. has left; cmes B. had left; wuld cme C. had left; came D. left; had cme4. She said she ________ the stry already. A. has read B. read C. will read D. had read5. They ______ 100 hundred trees by last weekend. A. planted B. have planted C. will have planted D. had planted
1.I had cked the dinner when my parents came back. (改为否定句) I __________ _________ the dinner when my parents came ’s brther went int the bathrm and then Mary gt up. (改写句子) When Mary _____ ______ , her brther ____ ____ ___ the the time she gt up, her mther had gne t wrk. (对画线部分提问) ______ _____her mther dne by the time she gt up?
hadn’t cked
had been in
gt up
What had
Preview the new wrds and phrases in Sectin B(1a-1e).D the exercises in students’ bk.
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