2023学年完整公开课版八年级上topic

黔中姚何仙Unit2KeepingHealthyTopic3Mustweexercisetopreventtheflu?教学目标及重难点1.复习Must... ？的肯定回答及否定回答。2.复习本单元的重要短语。3.复习反身代词。illnesses感冒发烧咳嗽头痛牙痛背痛胃痛haveacoldhaveafeverhaveacoughhaveaheadachehaveatoothachehaveabackachehaveastomachacheReview流感havethefluWhat’swrongwithhim？

Hehasatoothache.Hemustgotoseeadoctoratoncewhenhehasatoothache.Shemustgotoseeadoctoratoncewhenwehavetheflu.What'swrongwithher?Shehastheflu.Becauseshewantsto

keeptheairfresh.Why?Mustsheopenthewindowoften?Yes,she

must.No,weneedn't.Mustwetakeashowereveryday?Mustwegotoseeadoctoratoncewhenwehavetheflu?肯定回答：Yes,wemust.否定回答：No,weneedn’t./No,wedon’thaveto.注：以must开头的疑问句不能用mustn’t(禁止；不准)回答

must说话者主观看法，没有人称、时态和数的变化；haveto客观需要，且有人称、时态和数的变化。Makesimilarconversationsaccordingto1b.Example:A:Mustwe…topreventtheflu?B:Yes,wemust.A:Mustwe…topreventtheflu?B:No,wedon’thaveto.

/No,weneedn’t.PairworkMustwegotoseeadoctoratoncewhenwehavetheflu?肯定回答：Yes,wemust.否定回答：No,weneedn’t./No,wedon’thaveto.注意：此处不能用mustn’t回答!!

GrammarModalVerbs(Ⅲ):must/haveto______weexercisetopreventtheflu?Yes,wemust.No,wedon’t_______./No,we_______.Andyou_____doyourhomeworkfirst.I______dosomecleaning.Musthavetoneedn’tmusthaveto反身代词是表示或强调自身的代词，有人称和数之分。

数人称单数复数第一人称myself我自己ourselves我们自己第二人称yourself你自己yourselves你们自己第三人称himself他自己themselves

他们自己herself她自己itself它自己GrammarReflexivePronounsFirstpersonSecondpersonThirdpersonSingular________yourselfhimself______itselfPluralourselves_____________________PersonNumbermyselfyourselvesherselfthemselves1.用适当的反身代词填空。①Icooked______amealandthenIwatchedTV.②Ifyoudon’thelphim,he’llhavetodoitallby_________.③Iputthefoodonthetableandaskedthemtohelp__________.④JackandPeter,didyoucleantheroom________?⑤Becarefulwiththatknifeoryou’llcut________.⑥Johnhurt______whenhewasplayingfootball.myselfhimselfthemselves