Unit-4-Dont-eat-in-class-复习课件

Unit4Don’teatinclass.ReviewDon’twalk.Doyouknowthesesignsinacity?Whatdotheymean?Walk.Run.Don’trun.Don’tturnleft.Nosmoking.Becareful!Noparking!1.Don’tarrivelateforclass.2.Don’truninthehallways.3.Don’teatintheclassrooms.4.Don’tlistentomusicintheclassroomsorthehallways.5.Don’tfight.SchoolRules以开头以开头以开头祈使句的类型1.以please开头Pleasecomein.2.以let开头Letmehelpyou.3.以be开头Bequiet!Beaman!4.以动词原形开头sitdown.Comeon.5.以don't+动词原形开头Don'ttalkinclass.6.No+v-ing.Nofishing.Noswimming.一、祈使句1.用法：一般以动词原形开头，表示请求、命令、劝说、警告等。在祈使句中，通常省略句子主语第二人称you。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。_________________________________动词原形Eatinthedininghall.Listentomusicinthemusicroom.Ridethebiketoschool.(2)否定句:_____+_________+其他不要和同学们打架。_______________________________不要在教室里打篮球。________________________________Don’tfightwithyourclassmates.Don’tplaybasketballintheclassroom.Don’t动词原形(3)以let引起的句子____+sb.+动词原形让我们步行去上学吧。_________________(4)No+动词-ing形式。表示“禁止、规劝”禁止停车！NoParking.禁止吸烟！NoSmoking.LetLet’swalktoschool.Review:Example:肯定祈使句否定祈使句1.Sitdown.2.Comein.3.Eatinclass.4.Listentomusicoutside.5.Doyourhomeworkatschool.Don’tsitdown.Don’tcomein.Don’teatinclass.Don’tlistentomusicoutside.Don’tdoyourhomeworkatschool.表示请求,建议,命令,禁止等语气的句子,其结构为省去主语you,以动词原形开头.祈使句1)arrive后面可以不跟到达的地点。Don’tarrivelateforschool.不要上学迟到。2)arrive后面也可以跟到达的地点。但后面必须要跟介词in（大地方）或at（小地方）。1.arrive到达=get(to)2dTheyarrivedinBeijingatsix.他们六点钟到的北京。Weusuallyarriveatthevillageinthemorning.我们通常在早上到那个小村庄。1.Mymotherusuallyget___schoolat7:40inthemorning.2.Whendoyouusuallyarrive____thebusstation?3.Jenny’suncleusuallyarrives___Shanghaiintheevening.选词填空:in,at,totoinat1)listen听；用来提醒某人注意，后面不跟事物。Listen!Who’ssingingintheclassroom?听！谁在教室里唱歌？2)如果后面跟要听的事物，应跟介词to再跟事物。Listentoourteachercarefully.认真听老师讲。2.listen的用法；3.fight打架，争吵1)作动词用Jackneverfightswithhisbrother.杰克从不和他的弟弟打架。2)作名词，意为“打架；争吵”;常用词组haveafight“打架；吵架”Didyouhaveafightwithher?你和她吵过架吗？4.wear意为“穿、戴”MyauntwearsablueskirtandawhiteT-shirt.我姑姑穿着蓝色的裙子，白色的T恤。Doeshewearglasses?他戴眼镜吗？5.haveto与must1)haveto意为“必须做某事”强调“客观需要”Theyhavetowearschooluniformseveryday.他们每天必须穿校服。2)must意为“必须”强调主观上的愿望It’slate.Imustgohomenow.天晚了。现在我必须要回家。练一练：用haveto,must填空1.It’scoldoutside.We________stayathome.2.We______begoodwithourparents.havetomust6.arrivelatefor与belatefor意思相近,都表示“迟到”。Don’tarrive/belateforschool.上学别迟到。Iarrived/waslateforthemeetingyesterday.我昨天开会迟到了。7.情态动词haveto的用法:意思是“必须、不得不”,它侧重于客观上的必要和外界的权威。1)结构:主语＋haveto＋动词原形＋其他(一般现在时,主语是第三人称单数时,用hasto;句子是过去时,用hadto)如：Wehavetowearsneakersforgymclass.在体育课上,我们必须穿运动鞋。Tomhastopracticetheguitareveryday.汤姆每天必须练习弹吉它。Ihadtogetupat5:00amlastMonday.上周一我不得不早上5点起床。2)否定形式:主语＋don’thaveto＋动词原形＋其他(一般现在时,主语是第三人称单数时,用doesn’thaveto;句子是过去时,用didn’thaveto)如:Nickdoesn’thavetowearauniform.尼克不必穿制服。Wedidn’thavetodoourhomeworkatonce.我们不必马上完成作业。3)疑问句:Do(Does或Did)＋主语＋haveto＋动词原形＋其他如：Doyouhavetostayathomeonweekends?周末你必须呆在家里吗?Yes,Ido./No,Idon’t.是的,我必须。不,我不必。根据汉语提示填入恰当的单词。1.RoseandLisaarereadinginthe_________(教室).2.Therearelotsof_______(规则)inAlan’sschool.3.Johnoften________(打架)withhisbrotherbecauseoflittlethings.4.Thereisabigdining______(大厅)inourschool,andweeatlunchthere.5.It’sraining________(在外面).Juststayathome.classroomrulesfightshalloutside按要求改写句子，每空一词。1.Paulhastoeatoutside.(改为一般疑问句)_____Paul________eatoutside?2.Theycanwearhatsinthehall.(改为一般疑问句)_____they_____hatsinthehall?3.Thestudentshavetowearsportsshoesforgymclass.(对划线部分提问)______dothestudents___________?DoeshavetoCanwearWhathavetodo4.Youcan’tstandinthemiddleofthestreet.(改为祈使句)___________inthemiddleofthestreet.5.Takethepentoyoursister.(改为否定句)____________thepentoyoursister.6.Don’tarrivelatenexttime.(改为同义句)___________latenexttime.Don’tbeDon’tstandDon’ttakeTranslateandwritethemdown.1.你们学校的校规是什么？2.不要在教室或走廊里听音乐。3.我们上课不能迟到。Don’tlistentomusicintheclassroomorthehallways.Whataretherulesatyourschool?Wecan’tarrivelateforclass.1.不要在上课时听音乐。__________________________2.我们必须准时。___________________________3.我们能把音乐播放器带到学校里来吗？___________________________________4.在图书馆里我们必须保持安静。________________________________5.不要在楼道里跑。_________________________________Don’tlistentomusicinclass.Wemustbeontime.将下列句子译成英语。Canwebringthemusicplayertoschool?Wemustkeepquietinthelibrary.Don’truninthehallways.用haveto或hasto填空。1.We________cleanourclassroomafterschool.2.She_________makeherbedaftergettingup.3.It’slate.MrBeckman______gotoworkbycar.4.EmilyandPeterjoinamusicclub.They_______practicetheguitareveryday.havetohavetohastohasto1.Youmustnotbreakthe_______(规则).2.Wecan’tmaketoomuchnoiseinthe_________(走廊).3.Wehavetowear____________(运动鞋)forgymclass.4.He_______(步行)twokilometerstoworkeverymorning.5.Shehasto______(洗)thedishesaftermeals.ruleshallwayssportsshoeswalkswash词汇Practice1.Sitdown.2.Comein.3.Eatathome.4.Listentomusicoutside.5.Doyourhomeworkatschool.Don’tsitdown.Don’tcomein.Don’teatathome.把下列祈使句改成否定句Don’tlistentomusicoutside.Don’tdoyourhomeworkatschool.Practice1.MrGreensmokehere,becausethere’sasignonthewall.Itsays“Nosmoking.”2.It’sveryhotoutside.Youwearahat.3.Weeatintheclassroom,becauseit’simpolitetoteacher