必修3 unit2healthy eating 语法课件

《必修3 unit2healthy eating 语法课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、GrammarLearningReadthroughthepassageComeandEatHereandpickoutthesentencesusingmoralverbsandtranslatethemintoChinese.1)Bylunchtimetheywouldallbesold.2)Bynowhisrestaurantoughttobefullofpeople.3)Whatcouldhavehappened?4)Nothingcouldbebetter.5)Somethingterriblemus

2、thavehappenedifLiChangwasnotcomingtoeatinhisrestaurantashealwaysdid.6)Hecouldnotbelievehiseyes.7)Perhapsheshouldgotothelibraryandfindout.8)HecouldnothaveYongHuigettingawaywithtellingpeoplelies!9)Hehadbetterdosomeresearch.10)Theywouldbecometiredveryquickly.11

3、)Perhapswithadiscountandanewsignhecouldwinhiscustomersback.IntentionDutyPermissionPossibilityGuessingAbilitypossibilitypossibilitypossibilitypossibilityGuessingintentionDutyintentionDutypossibilityAbilityYououghtto(should)followyourteacher’sadvice.Youshouldt

4、akecareofyoursister．Theyshouldn'tallowparkinghere；thestreetistoonarrow．1.oughtto／shouldshould和oughtto都为“应该”的意思，可用于各种人称。oughtto的语气稍重一些。should表示主语的义务或责任;或指出—个正确、明智的动作：多数情况下，oughtto可与should互换使用。oughtto的反意疑问句用shouldn’t替代。2.must和havetomust的用法1）表示主观的义务和必要,主要用于肯定句和

5、疑问句,意思为 “必须……，得……，要……”；由must引起的疑问句，肯定回答要用must或have to,否定回答要用needn’t或don’t have to,意思是“不必”；must的否定形式mustn’t表示禁止，意思是“不能，不许”。如：—Must I finish the task right now?—Yes, you must. / Yes, you have to.(—No,youneedn’t./No,youdon’thaveto.不，不必。)Youmustn’tcomeherewithou

6、tpermission.have to的用法1）must表示一种主观的需要，而have to表示一种客观的需要，意思是“不得不”。 如：Ihavetoattendanimportantmeetingthisafternoon.Motherisout,soIhavetolookaftertheshop.2）have to的否定形式是don’thaveto,相当于needn’t。如：Theydon’thavetobuyacomputeratpresent.1.SAM:HowcanIgrowthinner,Mum?M

7、um:Well,you_________eatfoodwithplentyoffibrethathelpsyoudigestbetter.Andyou_________stopdrinkingcolaoreatingsweetfood.SAM:DoesitmeanI__________eatmyfavouritefriedchickenanymore?MUM:Notexactly,ifyoulovefriedchicken,you_________giveitup.Justeatitlessoften.You_

8、____________worrytoomuch:alittlefriedchicken__________doyougood.2.DOCTOR:Youaresickbecauseyou’veeatenpoisonousmushrooms.Wheredidyougetthem?LUCY:Ipickedthemintheforest.Iknowwe_________eatfreshveg