广东省河源市江东新区七年级英语下册 Unit 4 Dont eat in class Period 2课件 （新版）人教新目标版.ppt

unit4 don teatinclass sectionaperiod2 2d 3c learnthenewwords wear important bring uniform quiet out haveto 2 学习使用祈使句的用法3 学习情态动词must haveto don tfight lookandsay what stherules don truninthehallways don tarrivelateforclass don teatinclass 1 aretheremanyrulesatschool readtheconversationin2dandanswerthequestions reading 2 canhebringmusicplayerstoschool 3 dotheyhavetoalwaysweartheschooluniform 2d role playtheconversation john hi myname sjohn it smyfirstdayatschool alice hi john i malice thisisagreatschool buttherearealotofrules john really whataresomeoftherules alice well don tbelatefortheclass thisisveryimportant john ok sowemustbeontime canwebringmusicplayerstoschool alice no wecan t andwealwayshavetoweartheschooluniform john isee alice oh andwealsohavetobequietinthelibrary 1 aretheremanyrulesatschool readtheconversationin2dandanswerthequestions reading yes thereare 2 canhebringmusicplayerstoschool 3 dotheyhavetoalwaysweartheschooluniform no hecan t yes theydo grammarfocus 阅读grammarfocus部分 完成下列句子 inthehallways 1 不要在走廊上乱跑 don trun 2 我们必须准时上课 wemust forclass3 我们可以在教室吃东西吗 canweeatintheclassroom 不 不可以 但是我们可以在餐厅吃东西 no we butwecaneatinthe 4 他在学校必须要穿校服吗 he wearauniformatschool 5 我们在课堂上能戴帽子吗 we inclass beontime can tdininghall doeshaveto canwearahat dancesing what clubwantjoin joinchess 4 你会做什么事情 canyoudo 我会跳舞 我不会唱歌 ican ican t 5 你想加入什么俱乐部 what doyou to 我想加入象棋俱乐部 iwantto the club 合作探究 一 祈使句 eatinthedininghall don truninthehallways let sjointheenglishclub nosmoking nophotos 用法 祈使句一般以 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 动词原形 you 动词原形 肯定句 其他 否定句 其他 以let引导的句子 sb 动词原形 以no 或 表示 禁止 规劝 eatinthedininghall don truninthehallways let sjointheenglishclub nosmoking nophotos 动词原形 let don t 动词 ing 名词 将下面的句子改为祈使句 每空一词 1 youcancomein please 2 icanhelpyou me you 3 youcan teatinclass inclass 4 youcan tbelateforschool lateforschool 5 youcan ttakephotoshere photoshere comein lethelp don teat don tbe no 探究二 haveto和must用法 wemustbeontimeforclass wehavetowearuniformsatschool youmustn ttellhimaboutit 你一定不要告诉他这件事 可能是秘密 youdon thavetotellhimaboutit 你不必告诉他这件事 他可能知道了 it stoolate katehastogonow tomdoesn thavetocleanhisroom 1 观察例句 可以得知must和haveto都属于情态动词 意为 区别在于 侧重说话者主观看法 认为有必要或有任务去做某事 而 侧重客观需要 含有不得不或被迫之意 2 观察例句 可以看出must的否定形式是 意思是 3 haveto的否定形式是 意为 观察例句 得知 有人称和数的变化 必须 不得不 must haveto mustn t don thaveto 不必 绝不 一定不要 haveto 即时训练用must或haveto的适当形式填空thereisnobus you walkhome i studyenglishwell nick gotoschoolonweekends you gothroughtheroadwhenthelightisred must haveto doesn thaveto mustn t 3a writetherulesfortheschoollibrary libraryrules 1 2 3 4 don ttalk don teat don tlistentomusic don ttakephotos 3b usethewordstomakequestionsabouttherules thenwriteanswersaccordingtoyourschool bequiet q doesshehavetobequietinthelibrary she haveto inthelibrary a yes shedoes eat q he haveto inthedininghall a doeshehavetoeatinthedininghall yes hedoes listentomusic q we can inthehallways a wearahat q we can inclass a canwelistentomusicinthehallways no wecan t canwewearahatinclass no wecan t wecaneatinclass wedon thavetocometoschooleveryday 3c makeupfivecoolrulesforyourdreamschool shareyourruleswiththeclass yourclassmatesvotefortheco