人教版九年级英语上册《Teenagers should be allowed to choose their own clothes》SectionA PPT(第3课时)，共21页。Warming upDo 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 FocousI 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 Points1.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 自己做决定e.g.:I can make my own decision/decide for myself and manage my own life.语法拓展被动语态（三）——含情态动词的被动语态含有情态动词should 的被动语态的结构：should +be+及物动词的过去分词一、肯定句式：主语+情态动词+be+动词的过去分词+（by+宾语）e.g.:Your homework should be finished by yourself.二、否定句式：主语+情态动词+not+be+动词的过去分词+（by+宾语）e.g.:Teenagers should not be allowed to go out at night.三、一般疑问句结构为：情态动词+sb./sth.+be+动词的过去分词+（by+宾语）？回答：Yes,主语+should./No,主语+shouldn't.e.g.:—Should these young trees be watered every day? —Yes,they should./No,they shouldn't.Exercise一、单项选择。( )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 buildC.is built D.was built( )2.Teenagers ______ allowed to drive.A.should not be B.should be notC.not should be D.shouldn't( )3.A computer ______ me by my mother last week.A.was given B.was given toC.was giving D.is giving( )4.He ______ stay outside last night.A.was seen B.is seenC.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 upC.was set D.was set up二、句型转换。1.The lights should be turned off before you leave the classroom.(改为主动语态)You ______ ______ off the lights before you leave the classroom.2.I can't hear her sing.(改为被动语态)She can't ______ ______ ______ sing.3.Should we throw waste paper everywhere?(改为被动语态)______ waste paper ______ ______ everywhere?4.Books should be put into the desk.(对画线部分提问)______ ______ books ______ ______?... ... ...关键词：《Teenagers should be allowed to choose their own clothes》PPT课件免费下载，.PPT格式； 本作品中主体文字及图片可替换修改，文字修改可直接点击文本框进行编辑，图片更改可选中图片后单击鼠标右键选择更换图片，也可根据自身需求增加和删除作品中的内容，源文件无水印。如认为该内容涉嫌侵权，可通过邮件提出书面通知，我们将及时处理。