廣東省河源市江東新區(qū)七年級(jí)英語(yǔ)下冊(cè)Unit4DonteatinclassPeriod2課件（新版）人教新目標(biāo)版.ppt

Unit4 Don teatinclass SectionAPeriod2 2d 3c learnthenewwords wear important bring uniform quiet out haveto 2 學(xué)習(xí)使用祈使句的用法3 學(xué)習(xí)情態(tài)動(dòng)詞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 閱讀GrammarFocus部分 完成下列句子 inthehallways 1 不要在走廊上亂跑 Don trun 2 我們必須準(zhǔn)時(shí)上課 Wemust forclass3 我們可以在教室吃東西嗎 Canweeatintheclassroom 不 不可以 但是我們可以在餐廳吃東西 No we butwecaneatinthe 4 他在學(xué)校必須要穿校服嗎 he wearauniformatschool 5 我們?cè)谡n堂上能戴帽子嗎 we inclass beontime can tdininghall Doeshaveto Canwearahat dancesing What clubwantjoin joinchess 4 你會(huì)做什么事情 canyoudo 我會(huì)跳舞 我不會(huì)唱歌 Ican Ican t 5 你想加入什么俱樂(lè)部 What doyou to 我想加入象棋俱樂(lè)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 開(kāi)頭 表示請(qǐng)求 命令勸說(shuō) 警告等 在祈使句中 通常省略句子主語(yǔ) 動(dòng)詞原形 you 動(dòng)詞原形 肯定句 其他 否定句 其他 以let引導(dǎo)的句子 sb 動(dòng)詞原形 以No 或 表示 禁止 規(guī)勸 Eatinthedininghall Don truninthehallways Let sjointheEnglishclub Nosmoking Nophotos 動(dòng)詞原形 let Don t 動(dòng)詞 ing 名詞 將下面的句子改為祈使句 每空一詞 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 你一定不要告訴他這件事 可能是秘密 Youdon thavetotellhimaboutit 你不必告訴他這件事 他可能知道了 It stoolate Katehastogonow Tomdoesn thavetocleanhisroom 1 觀察例句 可以得知must和haveto都屬于情態(tài)動(dòng)詞 意為 區(qū)別在于 側(cè)重說(shuō)話者主觀看法 認(rèn)為有必要或有任務(wù)去做某事 而 側(cè)重客觀需要 含有不得不或被迫之意 2 觀察例句 可以看出must的否定形式是 意思是 3 haveto的否定形式是 意為 觀察例句 得知 有人稱和數(shù)的變化 必須 不得不 must haveto mustn t don thaveto 不必 絕不 一定不要 haveto 即時(shí)訓(xùn)練用must或haveto的適當(dāng)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