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1、Unit4Donteatinclass.教学课件设计洪江市托口中学刘利群Unit4Donteatinclass.Section A grammar focus3cWhat do we have to do at school or in the classroom?What cant we do ?Lets look and say some school or class rulers.教师寄语：Norules,nostandards.(没有规矩不成方圆。） We have to do some reading every morning.Wehavetoexerciseeveryday.W
2、ehavetoworkhardandhelpeachother.Wehavetocleanourclassroomandkeepitcleaneveryday.WehavetowearourschoolIDcard.Wehavetodohomeworkafterschool.Dontfightwithothers.=Wecantfightwithothers.Dontarrivelateforclass.=Wecantarrivelateforclass.Wecanteatinclass.=Donteatintheclassroom. Donthavelonghairforboys.=Boys
3、canthavelonghair.Dontsleepinclass.=Wecantsleepinclass. We cant run in the hallways.=Dontruninthehallways.Dontplaysportsintheclassroomorinthehallways.Butwecanplayitoutside.Donttalkinclass.Donttalkwitheachotherinclass.Stoptalkinginclass.Dontsmoke.Itsbadforyourhealth.Dontplaycardsatschool.Dontlistentom
4、usicintheclassroom.Letstalkaboutourfamilyrules.Dontwastewater.Turnoffthelightswhenweleavetheroom.eatinbedwatchTVlatetalkloudlyonthephonegetuplateonSundaysplaycomputergameslateatnightsingloudlyatnightmakethebedaftergettingupcleanthebedroomA: What do you have to do at home?B: We have toA: What cant yo
5、u do ?B: We cant Dontruninthehallways.Dontfight.Whataretherules?Wemustbeontimeforclass.Canweeatintheclassroom?No,wecant,butwecaneatinthedininghall.Canwewearahatinclass?Yes,wecan./No,wecant.Doeshehavetowearauniformatschool?Yes,hedoes./No,hedoesnt.GrammarFocusWhatdoyouhavetodo?Wehavetobequietinthelibr
6、ary.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。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。mu
7、st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。肯定祈使句肯定祈使句Sitdown.Comein.Eatathome.Letsgohome.否定祈使句Dontsitdown.Dontcomein.Donteatathome.Don
8、ttalkinclass.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.Dontlistentomusi
9、coutside.Dontdoyourhomeworkatschool.1.late,dont,forschool,arrive2.music,listento,intheclassroom,dont3.eat,cant,intheclassroom,weDontarrivelateforschool.Dontlistentomusicintheclassroom.Wecanteatintheclassroom.Formsentences.组句Dontsmoke.Nosmoking!Donttakephotos.Nophotos!Pleaseturnright!Doyouknowthese?D
10、ontparkhere.Noparking.Dontturnleft.Donttalkloudly!Donttalk!Notalking!Libraryrules1.Donttalk.2._3._4._Donteat.Writetherulesfortheschoollibrary.3aDontlistentomusic.Donttakephotos.Usethewordstomakequestionsabouttherules.Thenwriteanswersaccordingtoyourschool.3b1.Bequite?Q:Doesshehavetobequiteinthelibrar
11、y?(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.
12、No,wecant.3cMakeupfivecoolrulesforyourdreamschool.Shareyourruleswiththeclass.YourclassmatesvotefortheCoolestSchool!Atmydreamschool,wedonthavetocometoschooleveryday.WeThebestschoolrules1.Wecaneatinclass.2.Wedonthavetocometoschooleveryday.3.4.用所给单词的适当形式填空。1.Dont_(listen)tomusicinthelibrary.2.Dowehavet
13、o_(clean)theroomeveryday?3.Youcant_(wear)sunglassesintheclassroom.4.Please_(arrive)atschoolon time (准时).5.Johnisoftenlatefor_(class).classlistencleanweararrive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._lateforschool.5.Youcanttakephotoshere._photoshere.ComeinLethelpDonteatDontbeNo Summary:1.情态动词can的用法2.肯定祈使句和否定祈使句祈使句的常见句型结构3.通过谈论校规、家规及图书室规则，进一步掌握祈使句的用法，学会拟定规则，逐渐养成自觉遵守校纪班规的好习惯。
