新牛津译林版六年级上册《英语》Unit7ProtecttheEarthppt课件.ppt

1、Unit 7 Protect the Earth Introduce I can use _ to _. We should _. We should not _. Words “use + 名词 + to + 动词原形”意思是用某物做某种东西。 to后接动词原形。 常用短语： protect the earth 保护地球 eg： She always uses too much water to clean things. 她总是用太多的水来清洗东西。 小练习： In the past, we often _ (use) wood to make fire. used use to Word

2、s (1)used to表示过去常常做某事。 (2)be used to + doing： “习惯于”,to是介词,后需加名词戒动名词。 eg： I used to play football after school。 过去我常常在放学后踢球。 Use to 扩展 eg： Sarah is used to taking a walk。 Sarah习惯于散步了。 Words Should “应该” ,后接动词原形,是较委婉地建议某人做某事。 当表示较委婉的拒绝某人做某事时：用其否定形式“shouldnt+ 动词原形”。 eg ： We should finish our homework ev

3、ery day. 我们每天都应该完成家庭作业。 小练习： （ ）Water is useful, we _ reuse and save it. A. should B. shouldnt C. will A should /d/ Dialogues Group work：Write more sentences with learned sentences and report in class . Expand (1)(表示能力)能 ;会 can作情态动词用法 eg：She can drive，but she cant ride a bicycle. 他能开车,但是不会骑自行车。 (2)(

4、表示可能、许可)能够 ;可以 eg： You cant park your car in this street. 你不可以在这条街上停车。 Expand could/be able to 区别 could表示“原来具备某种能力,现在没有这种能力了”。 但was/were able to则表示过去成功地做成了某事。 eg： I could swim all the way across the lake，but I cant now. 我原来能游过这个湖,但现在不能了。 The fire spread through the hotel very quickly but everyone wa

5、s able to get out. 大火很快蔓延了整个旅馆,但全体人员都脱离了危险。 Summary Use to should Exercise ( )1.The oil is . A. use B. reuse C. useful ( )2.To keep the air clean, dont to work every day. A. walk B. run C. drive C C Exercise ( )3.We often use to clean things. A. coal B. oil C. water ( )4.There some paper on the desk

6、. A. has B. is C. are C B Exercise ( )5.People cut down trees every day. A. lot of B. many C. much ( )6.We can use paper a toy plane. A. make B. making C. to make B C Exercise ( )7.There are plastic bags on the ground. A. too much B. too many C. so much ( )8.To protect the Earth ,we should use . A. plastic bags B. plastic bottle C. glass bottle B C Homework Collect more examples of environmental damage, write a small report， report showing in the class.