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1、会计学1七年级英语下册件七年级英语下册件SectionAac 恢复恢复Unit 4Dont eat in class.Section A grammar focus3c第1页/共26页What 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。）第2页/共26页 We have to do some reading every morning.Wehaveto
2、exerciseeveryday.Wehavetoworkhardandhelpeachother.第3页/共26页Wehavetocleanourclassroomandkeepitcleaneveryday.WehavetowearourschoolIDcard.Wehavetodohomeworkafterschool.第4页/共26页Dontfightwithothers.=Wecantfightwithothers.Dontarrivelateforclass.=Wecantarrivelateforclass.Wecanteatinclass.=Donteatintheclassr
3、oom.第5页/共26页 Donthavelonghairforboys.=Boyscanthavelonghair.Dontsleepinclass.=Wecantsleepinclass.第6页/共26页.We cant run in the We cant run in the hallways.hallways.=Dont run in the hallways.Dontplaysportsintheclassroomorinthehallways.Butwecanplayitoutside.第7页/共26页Donttalkinclass.Dont talkwitheachotheri
4、nclass.Stop talking in class.第8页/共26页 Dont smoke.Its bad for your health.Dont play cards at school.Dontlistentomusicintheclassroom.第9页/共26页 Lets talk about our family rules.Dontwastewater.TurnoffthelightsTurnoffthelightswhenweleavethewhenweleavetheroom.room.第10页/共26页eatinbedwatchTVlatetalkloudlyonth
5、ephonegetuplateonSundaysplaycomputergameslateatnightsingloudlyatnightmakethebedaftergettingupcleanthebedroomA:What do you have to do at home?B:We have toA:What cant you do?B:We cant 第11页/共26页Dontruninthehallways.Dontfight.Whataretherules?Wemustbeontimeforclass.Canweeatintheclassroom?No,wecant,butwec
6、aneatinthedininghall.Canwewearahatinclass?Yes,wecan./No,wecant.Doeshehavetowearauniformatschool?Yes,hedoes./No,hedoesnt.Grammar FocusWhatdoyouhavetodo?Wehavetobequietinthelibrary.第12页/共26页情态动词情态动词cancan的用法的用法1)1)表示能力表示能力“会会,能能”CanCanyouplaytheguitar?youplaytheguitar?你会弹吉他吗？你会弹吉他吗？JimJimcancanspeakCh
7、inese.speakChinese.吉吉姆会说中文。姆会说中文。I Icancandanceandsing.danceandsing.我能唱歌又能跳舞。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。must没有人称，数和时态的变化。hav
8、eto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。第13页/共26页肯定祈使句肯定祈使句肯定祈使句肯定祈使句Sit down.Sit down.Come in.Come in.Eat at home.Eat at home.Lets go homeLets go ho
9、me.否定祈使句Dontsitdown.Dontcomein.Donteatathome.Donttalkinclass.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。句首或句末加上句首或句末加上please，若在句末加，若在句末加please，之前要用逗，之前要用逗号隔开。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。第14页/共26页1.Sit down.2.Come in.3.Eat at home.Dontsitdown.Dont come in.Donteatathom
10、e.把下列祈使句改成否定句Practice:4.Listentomusicoutside.5.Doyourhomeworkatschool.Dontlistentomusicoutside.Dontdoyourhomeworkatschool.第15页/共26页1.late,dont,forschool,arrive2.music,listento,intheclassroom,dont3.eat,cant,intheclassroom,weDontarrivelateforschool.Dontlistentomusicintheclassroom.Wecanteatintheclassro
11、om.Formsentences.组句第16页/共26页Dont smoke.No smoking!Dont take photos.No photos!Please turn right!Doyouknowthese?Dont park here.No parking.Dont turn left.Donttalkloudly!Donttalk!Notalking!第17页/共26页Library rules1.Dont talk.2._3._ _4._ _Dont eat.Write the rules for the school library.3aDont listen to mus
12、ic.Dont take photos.第18页/共26页Use the words to make questions about the rules.Then write answers according to your school.3b1.Be quite?Q:Does she have to be quite in the library?(she/have to/in the library)A:Yes,she does.2.Eat?Q:_ (he/have to/in the dining hall)?A:_Doeshehavetoeatinthedininghall?No,h
13、edoesnt.Hecanalsoeatoutside.第19页/共26页3.Listen to music?Q:_ (we/can/in the hallways)?A:_ 4.Wear a hat?Q:_ (we/can/in the classroom)?A:_Canwelistentomusicinthehallways?Canwewearahatintheclassroom?No,wecant.No,wecant.第20页/共26页3c Make up five cool rules for your dream school.Share your rules with the cl
14、ass.Your classmates vote for the Coolest School!Atmydreamschool,wedonthavetocometoschooleveryday.WeThebestschoolThebestschoolrulesrules1.Wecaneatinclass.2.Wedonthavetocometoschooleveryday.3.4.第21页/共26页用所给单词的适当形式填空。用所给单词的适当形式填空。1.Dont _(listen)to music in the library.2.Do we have to _(clean)the room
15、every day?3.You cant _(wear)sunglasses in the classroom.4.Please _(arrive)at school on time(准时准时).5.John is often late for _(class).classlistencleanweararrive第22页/共26页将下面的句子改为祈使句，每空一词。将下面的句子改为祈使句，每空一词。1.You can come in._ _,please.2.I can help you._ me _ you.3.You cant eat in class._ _ in class.4.You cant be late for school._ _ late for school.5.You cant take photos here._ photos here.ComeinLethelpDonteatDontbeNo第23页/共26页 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。第24页/共26页第25页/共26页