《When was it invented?》SectionA PPT
第一部分內(nèi)容：新課導入
被動語態(tài)(Passive Voice ) be + done
He speaks English.
is spoken by
主動語態(tài)：主語 + 動詞 + 賓語
被動語態(tài)：主語 + be + 過去分詞 + by + 賓語
Many people use computers.
Computers _____ ________
by _______ _________.
The workers plant trees in the garden.
Trees _____ _______ in the garden ____ the workers.
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《When was it invented?》PPT，第二部分內(nèi)容：Exercise
1. Trees __________ (water) in our school every three days.
2. The zoo ___________ (visit) by lots of children on weekends.
3. A Journey to West ________ (show) on CCTV every summer.
4.On Christmas Day, children wake up early and can’t wait ______ (open) the boxes of presents.
5. We’ll have a chance _____ (see) the flower show this weekend.
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《When was it invented?》PPT，第三部分內(nèi)容：Language points
be made of 由某種物質(zhì)做成(看得出原材料，物理過程)
be made from 由某種物質(zhì)制成(看不出原材料，化學過程)
be made up of 由幾部分組成
be made in 在某地/某時制造
be made by 由某人制造
be made into 被制成
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《When was it invented?》PPT，第四部分內(nèi)容：Listen, look and say.
A. What’s it made of?
B. It’s made of metal.
A. Do you know what it is used for?
B. It’s used for sending satellites or spaceships into space.
allow v. 允許
1. allow sb. to do sth.
允許某人做某事
2. allow doing sth.
允許做某事
3. be allowed to do sth.
被允許做某事
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《When was it invented?》PPT，第五部分內(nèi)容：Let’s sum up together.
聚焦一般過去時的被動語態(tài)
結(jié)構(gòu):助動詞(was/were)+及物動詞的過去分詞
1.肯定句式 ：主語+was /were+v.-ed
2.否定句式 ：主語+was/were + not+v.-ed
3.一般疑問句式： Was /Were+主語+vt.-ed
4.特殊疑問句式：疑問詞W/H+was/were+主語+v.-ed
E.g. An e-mail was sent to her friend by Jane yesterday.
An e-mail wasn’t sent to her friend by Jane yesterday.
Was an e-mail sent to her friend by Jane yesterday?
Who was the e-mail sent to by Jane yesterday?
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《When was it invented?》PPT，第六部分內(nèi)容：Read 1a and answer the following questions.
1. Why did Kankang ask Jane not to spend too much time on computer games ?
It’s bad for her health if she spends too much time on them.
2. What’s a rocket used for?
It’s used for sending satellites or spaceships into space .
be used for 被用來做
be used to do 被用來做
be used as 被用作
used to do sth. 過去常做
be used to doing sth. 習慣于做
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《When was it invented?》PPT，第七部分內(nèi)容：Exercises
Change the following sentences.
1.My mother allows me to use her cellphone.(改為被動語態(tài))
I _____ ______ _____ use my mother’s cellphone.
2.A rocket is used for launching satellites and spaceships.(就畫線部分提問)
____ ___ a rocket ___ ___?
3.The digital camera was invented in 1975. (就劃線部分提問)
____ ____ the digital camera _______ ?
4. Maybe he is an inventor. (改為同義句)
He ____ ____ an inventor.
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《When was it invented?》PPT，第八部分內(nèi)容：Summary
We learn: 1.Some words: lock, rocket, metal, satellite, spaceship
2. Some phrases: be made of, be used of,some day, come true
3. Some sentences:
(1) I wish I could go into space some day.
(2) I hope your dream will come true.
(3) -What is a rocket used for?
-It’s used for sending satellites or spaceships into space.
We can: Use the passive voice.
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《When was it invented?》PPT，第九部分內(nèi)容：Assignment
Read 1a.
Memorize the useful expressions and key sentences that we learn today.
Finish Section A in your workbook.
Preview Section B.
關(guān)鍵詞：仁愛版九年級上冊英語PPT課件免費下載，《When was it invented?》PPT下載，.PPT格式；
