人教版九年級英語上冊《Teenagers should be allowed to choose their own clothes》SectionA PPT(第3課時(shí))，共21頁。
Warming up
Do you think teenagers should be allowed to use the Internet?
Do you think teenagers should be allowed to use mobile phones?
Do you think teenagers should be allowed to study with friends after class?
Do you think teenagers should be allowed to drink or smoke?
Do you think teenagers should be allowed to choose their own clothes?
Grammar Focous
I don’t think sixteen-year-olds should be allowed to drive.
I agree. They aren't serious enough.
Do you think teenagers should be encouraged to make their own decisions?
No,I don’t agree with this. Teenagers are too young to make their own decisions.
Teenagers should not be allowed to have part-time jobs.
I disagree. They can learn a lot from working.
Do you think we may be allowed to take photos if we don't use a flash?
If you don't use a flash,then it may be OK.
Language Points
1.educate 教育
educate sb. (to do sth.) 教育某人做……
【拓展】education n. 教育
2.make one's own decision =decide on one's own=decide for oneself 自己做決定
e.g.:I can make my own decision/decide for myself and manage my own life.
語法拓展
被動語態(tài)（三）——含情態(tài)動詞的被動語態(tài)
含有情態(tài)動詞should 的被動語態(tài)的結(jié)構(gòu)：should +be+及物動詞的過去分詞
一、肯定句式：主語+情態(tài)動詞+be+動詞的過去分詞+（by+賓語）
e.g.:Your homework should be finished by yourself.
二、否定句式：主語+情態(tài)動詞+not+be+動詞的過去分詞+（by+賓語）
e.g.:Teenagers should not be allowed to go out at night.
三、一般疑問句結(jié)構(gòu)為：情態(tài)動詞+sb./sth.+be+動詞的過去分詞+（by+賓語）？
回答：Yes,主語+should./No,主語+shouldn't.
e.g.:—Should these young trees be watered every day?
—Yes,they should./No,they shouldn't.
Exercise
一、單項(xiàng)選擇。
( )1.—It's difficult for children to cross the river to school.
—I think a bridge ______ over the river.
A.should be built B.will build
C.is built D.was built
( )2.Teenagers ______ allowed to drive.
A.should not be B.should be not
C.not should be D.shouldn't
( )3.A computer ______ me by my mother last week.
A.was given B.was given to
C.was giving D.is giving
( )4.He ______ stay outside last night.
A.was seen B.is seen
C.was seen to D.saw
( )5.—Do you know Earth Day?
—Sure.It ______ in 1970 to tell us to protect our planet.
A.sets up B.set up
C.was set D.was set up
二、句型轉(zhuǎn)換。
1.The lights should be turned off before you leave the classroom.(改為主動語態(tài))
You ______ ______ off the lights before you leave the classroom.
2.I can't hear her sing.(改為被動語態(tài))
She can't ______ ______ ______ sing.
3.Should we throw waste paper everywhere?(改為被動語態(tài))
______ waste paper ______ ______ everywhere?
4.Books should be put into the desk.(對畫線部分提問)
______ ______ books ______ ______?
... ... ...
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