英语人教版七年级下册Unit4 第三课时课件.ppt

1、,Donteatinclass.,SectionA2GrammarFocus-3c,GrammarFocus,Translatethesentences,1.请起立。Pleasestandup.2.请关门。Closethedoor,please.3.我们走吧。Letsgo.4.小心。Becareful!,Review,Translatethesentences,1.上课不要迟到。Dontarrivelateforclass.2.不要在过道上奔跑。Dontruninthehallways.3.不要在教室吃东西。Donteatintheclassroom.4.不要打架。Dontfight.,Doy

2、ouknow?,Pleasestandup和Dontfight都是祈使句：表示等的句子。一般以开头，通常省略，句末可用感叹号或句号。其否定形式一般在肯定形式前面加。,GrammarFocus,祈使句,请求、命令、警告、建议,动词原形,主语you,dont,2.句子结构(1)肯定句：_+其他在餐厅里吃东西。_在音乐教室里听音乐。_骑自行车去上学。_,Ridethebiketoschool.,Eatinthedininghall.,动词原形,Listentomusicinthemusicroom.,(2)否定句:_+_+其他不要和同学们打架。_不要在教室里打篮球。_,Dontfightwithyo

3、urclassmates.,Dontplaybasketballintheclassroom.,Dont动词原形,以let引起的句子_+sb.+动词原形让我们步行去上学吧。_让我们做作业吧。,Let,Letswalktoschool.,Letsdohomework.,(4)No+动词-ing形式。表示“禁止、规劝”禁止停车！禁止说话！(5)No+名词,表示禁止。禁止拍照。Nophotos.,GrammarFocus,NoParking.,NoTalking.,LibraryRulesDonttalk._,3aWritetherulesfortheschoollibrary.,Writing,D

4、ontlistentomusic.,Donteatordrink.,Donttakephotos.,1.我们可以在教室里吃东西吗？weeatintheclassroom?2.我们可以在教室里听音乐吗？welistentomusicinclass?,GrammarFocus,填空,Can,Can,Doyouknow?,在以上两个句子中can是表，不是表对比以下句子can的不同意思：Canyouplaytheguitar?Canwewearahatinclass?,许可,能力,许可,能力,二、询问和讨论学校规则：1.有什么规则？我们必须保持安静。_2.我们可以在上课的时候戴帽子吗？_不可以。你可以

5、在外面戴帽子。_,Whataretherules?,Wemustbequiet.,Canwewearahatinclass?,No,wecant.Youcanwearahatoutside.,3.你必须做什么事？_我们必须穿校服。_4.他必须在校吃午饭吗？_,Wemustweartheschooluniforms.,Whatdoyouhavetodo?,Doeshehavetoeatlunchatschool?,Canyoufindtherules?,看GrammarFocus,对比haveto和must的用法,你发现了什么异同？异：haveto有和的变化，而must没有1.Ihavetodo

6、myhomework.Shehastodoherhomework.2.Idonthavetocleanmyroom.Hedoesnthavetocleanhisroom.3.Doyouhavetofollowtherules?Doeshehavetofollowtherules?同：haveto和must后都接Shehastoeatinthedininghall.Shemusteatinthedininghall.,人称,数,动词原形,Bequiet?(she/haveto/inthelibrary)Q:Doesshehavetobequietinthelibrary?A:Yes,shedoe

7、s.,3bUsethewordstomakequestionsabouttherules.Thenwriteanswersaccordingtoyourschool.,Writing,2.Eat?(he/haveto/inthedinninghall)Q:_A:_Listentomusic?(we/can/inthehallways)Q:_A:_4.Wearahat?(we/can/intheclassroom)Q:_A:_,2.Eat?(he/haveto/inthedininghall)Q:_?A:_3.Listentomusic?(we/can/inthehallways)Q:_?A:_

8、4.Wearahat?(we/can/intheclassroom)Q:_?A:_,Thenanswerthequestions.,Yes,hedoes.,Doeshehavetoeatinthedininghall,Canwelistentomusicinthehallways,No,wecant.,Canwewearahatintheclassroom,No,wecant.,Atmydreamschool,wedonthavetocometoschooleveryday.,Wecaneatinclass.,3cMakeupfivecoolrulesforyourdreamschool.Sh

9、areyourruleswiththeclass.YourclassmatesvotefortheCoolestSchool!,Wedonthavetowearschooluniforms.,Wecanlistentomusicinclass.,Wecaneatintheclassroom.,Wedonthavetodohomework.,Atmydreamschool,wedonthavetocometoschooleveryday.Wecaneatintheclassroom.Wecanlistentomusicinclass.Wedonthavetodohomework.Wedontha

10、vetowearschooluniformsatschool.,Report,Great!Jimsschoolisthecoolest.,Discussandmakefiverulesforthecomputerroominyourschool.,ComputerRules_,Homework,Thankyou!,Report,ComputerRules_,Wemustbequietinthecomputerroom.,Donteatordrinkinthecomputerroom.,Dontruninthecomputerroom.,Wearslippersinthecomputerroom.,Cleanthecomputerroomeveryday.,1.Hehastoeatbreakfastquickly.(改为一般疑问句)_2.Playvolleyballafterclass.(改为否定句)_,句型转换,Doeshehavetoeatbreakfastquickly?,Dontplayvolleyballafterclass.,3.Wecanwearsportsshoesinclass.(改为