七年级英语下册第四单元Section_A_3a-3c.1(恢复)ppt课件

.,Unit4Donteatinclass.教学课件设计洪江市托口中学刘利群,.,Unit4Donteatinclass.,SectionAgrammarfocus3c,.,Whatdowehavetodoatschoolorintheclassroom?Whatcantwedo?Letslookandsaysomeschoolorclassrulers.,教师寄语：Norules,nostandards.(没有规矩不成方圆。）,.,Wehavetodosomereadingeverymorning.,Wehavetoexerciseeveryday.,Wehavetoworkhardandhelpeachother.,.,Wehavetocleanourclassroomandkeepitcleaneveryday.,.,WehavetowearourschoolIDcard.,Wehavetodohomeworkafterschool.,.,Dontfightwithothers.=Wecantfightwithothers.,Dontarrivelateforclass.=Wecantarrivelateforclass.,Wecanteatinclass.,=Donteatintheclassroom.,.,Donthavelonghairforboys.=Boyscanthavelonghair.,Dontsleepinclass.=Wecantsleepinclass.,.,.,Wecantruninthehallways.,=Dontruninthehallways.,Dontplaysportsintheclassroomorinthehallways.,Butwecanplayitoutside.,.,Donttalkinclass.,Donttalkwitheachotherinclass.,Stoptalkinginclass.,.,Dontsmoke.Itsbadforyourhealth.,Dontplaycardsatschool.,Dontlistentomusicintheclassroom.,.,Letstalkaboutourfamilyrules.,Dontwastewater.,Turnoffthelightswhenweleavetheroom.,Pairwork,.,eatinbed,watchTVlate,talkloudlyonthephone,getuplateonSundays,playcomputergameslateatnight,singloudlyatnight,makethebedaftergettingup,cleanthebedroom,A:Whatdoyouhavetodoathome?B:WehavetoA:Whatcantyoudo?B:Wecant,Pairwork,.,.,情态动词can的用法1)表示能力“会,能”Canyouplaytheguitar?你会弹吉他吗？JimcanspeakChinese.吉姆会说中文。Icandanceandsing.我能唱歌又能跳舞。,2)表示允许、许可,“可以”、“能”Canthestudentsruninthehallway学生们可以在走廊上跑吗？Wecaneatoutside.我们可以在外面吃东西。,注意:和大部分情态动词一样,can在否定句中,直接在can后加上not,在疑问句中,把can放到主语前面,并且没有人称和数的变化。,Grammar,haveto的用法表示客观的必要性：“必须，不得不”，在一定意义上与must可以互换。must没有人称，数和时态的变化。haveto有人称，数和时态变化。Wehavetodohomeworkafterschool.Theymustbeontimeforclass.Shehastobequietinthelibrary.Doyouhavetogotoschoolontime?,注意:haveto在否定句中,直接在haveto前面加dont,在一般疑问句中,在主语前面加助动词do,并且有人称，数和时态的变化。,.,肯定祈使句Sitdown.Comein.Eatathome.Letsgohome.,否定祈使句Dontsitdown.Dontcomein.Donteatathome.Donttalkinclass.,Grammar,祈使句用来表示请求、命令、叮嘱、号召或者劝告等,主语常是第二人称you,也就是听话者,因而you常省去。祈使句的开头是动词原形。句首或句末加上please，若在句末加please，之前要用逗号隔开。,祈使句的否定形式多以donot(常缩写成dont)开头,再加上动词原形。,.,1.Sitdown.2.Comein.3.Eatathome.,Dontsitdown.,Dontcomein.,Donteatathome.,把下列祈使句改成否定句,Practice:,4.Listentomusicoutside.5.Doyourhomeworkatschool.,Dontlistentomusicoutside.,Dontdoyourhomeworkatschool.,.,1.late,dont,forschool,arrive2.music,listento,intheclassroom,dont3.eat,cant,intheclassroom,we,Dontarrivelateforschool.,Dontlistentomusicintheclassroom.,Wecanteatintheclassroom.,Formsentences.组句,.,Dontsmoke.Nosmoking!,Donttakephotos.Nophotos!,Pleaseturnright!,Doyouknowthese?,Dontparkhere.Noparking.,Dontturnleft.,Donttalkloudly!,Donttalk!Notalking!,Libraryrules1.Donttalk.2._3._4._,Donteat.,Writetherulesfortheschoollibrary.,3a,Dontlistentomusic.,Donttakephotos.,Usethewordstomakequestionsabouttherules.Thenwriteanswersaccordingtoyourschool.,3b,1.Bequite?Q:Doesshehavetobequiteinthelibrary?(she/haveto/inthelibrary)A:Yes,shedoes.2.Eat?Q:_(he/haveto/inthedininghall)?A:_,Doeshehavetoeatinthedininghall?,No,hedoesnt.Hecanalsoeatoutside.,3.Listentomusic?Q:_(we/can/inthehallways)?A:_4.Wearahat?Q:_(we/can/intheclassroom)?A:_,Canwelistentomusicinthehallways?,Canwewearahatintheclassroom?,No,wecant.,No,wecant.,.,Atmydreamschool,wedonthavetocometoschooleveryday.We,Thebestschoolrules1.Wecaneatinclass.2.Wedonthavetocometoschooleveryday.3.4.,Groupwork,用所给单词的适当形式填空。1.Dont_(listen)tomusicinthelibrary.2.Dowehaveto_(clean)theroomeveryday?3.Youcant_(wear)sunglassesintheclassroom.4.Please_(arrive)atschoolontime(准时).5.Johnisoftenlatefor_(class).,class,listen,clean,wear,arrive,将下面的句子改为祈使句，每空一词。1.Youcancomein._,please.2.Icanhelpyou._me_you.3.Youcanteatinclass._inclass.4.Youcantbelateforschool._lateforsch