英语 人教版七下Unit2SectionAGrammar Focus

2.Whosebirthdayisit?Unit2

NoRules,NoorderSectionA

GrammarFocus人教版英语（七年级下）2.Whosebirthdayisit?学习目标语言能力1.掌握关于规则的词汇和表达；2.能够用祈使句描述规则；3.能够正确使用情态动词表达命令、请求和建议等。。思维品质通过教学活动的开展，巩固学生的语法基础，让学生在语境中掌握所学祈使句和情态动词的用法，在语法教学中渗透思维品质的培养。1.能正确描述规则，如规则内容、违反规则的行为等；2.正确使用情态动词表许可；3.通过课堂任务让学生能够运用目标词汇与句型进行口头语言输出。学习能力通过本节课的学习，让学生能够与同学积极合作，参与课堂活动，大胆实践；引导学生树立规则意识，明白规则在学校、家庭和社会生活中的重要性，自觉遵守规则，培养良好的行为习惯。文化意识2.Whosebirthdayisit?情景导入0102学习理解03应用实践04迁移创新0506随堂小测家庭作业CONTENT

2.Whosebirthdayisit?01情景导入ScenarioimportWhataretheytalkingabout?Let’swatchavedio2.Whosebirthdayisit?Don’tlitter./ˈlɪtə(r)/Let’sreviewtheschoolrules.2.Whosebirthdayisit?SchoolRulesArriveatschoolontime.Walkinthehallway.2.Whosebirthdayisit?SchoolRulesWeartheschooluniform.Putupyourhandifyouwanttoaskyourteacheraquestion2.Whosebirthdayisit?SchoolRulesDon'truninthehallways.Don'tbelateforschool.2.Whosebirthdayisit?SchoolRulesDon'tuseyourphoneinclass.Don'teatintheclassroom.2.Whosebirthdayisit?02学习理解LearningtounderstandWalkinthehallway.Don’trun!Bepoliteandtreatoneanotherwithrespect.Don’tlitter./Youmustn’tlitter./Youcan’tlitter.Canwebringourphonestoclass?No,wecan’t.Wemustkeeptheminourlockers.Canweeatsnacksinclass?No,wecan’teatinclass.Wehavetoeatinthedininghall.Readthesentences.Dotheverbsinboldneedtochangeforms?Why?3a2.Whosebirthdayisit?祈使句1.祈使句是表示请求、建议、命令、禁止、等的句子;2.通常省略主语you;3.句中谓语动词用动词原形;4.祈使句有肯定和否定两种，句首加Don’t变否定。

。否定祈使句的句式:(1)Do型和Be型的否定式都是在句首加don’t构成。(2)Let型的否定式有两种:“Don’t+let+宾语+动词原形+其他成分”和“Let+宾语+not+动词原形+其他成分”。(3)有些可用no开头,用来表示禁止性的祈使句。祈使句肯定的祈使句否定的祈使句Do型1.Haveaseathere.请这边坐。2.Eatintheclassroom.3.Sitdown!Be型1.Beagoodboy!要做一个好孩子!2.Behappy!Let型1.Letmehelpyou.

让我来帮你。2.Letthemgo!让他们走吧！1.Don'thaveaseathere.2.Don'teatintheclassroom.3.Don'tsitdown.1.Don'tbeagoodboy.2.Don'tbehappy.1.Don'tletmehelpyou./Letmenothelpyou.2.Don'tletthemgo./Letthemnotgo.2.Whosebirthdayisit?Noswimming！禁止游泳No

smoking!禁止吸烟

No+v-ing形式。表禁止，用于指示牌、布告等2.Whosebirthdayisit?

肯定祈使句否定祈使句Sitdown.Comein.Eatathome.Listentomusicoutside.5.Doyourhomeworkatschool.Don’tsitdown.Don’tcomein.Don’teatathome.Don’tlistentomusicoutside.Don’tdoyourhomeworkatschool.ExercisesWalkinthehallway.Don’trun!Bepoliteandtreatoneanotherwithrespect.Don’tlitter./Youmustn’tlitter./Youcan’tlitter.Canwebringourphonestoclass?No,wecan’t.Wemustkeeptheminourlockers.Canweeatsnacksinclass?No,wecan’teatinclass.Wehavetoeatinthedininghall.Readthesentences.Dotheverbsinboldneedtochangeforms?Why?3a1情态动词没有除了have

to之外，其余没有人称和数的变化2情态动词后跟动词原形3情态动词不能单独作谓语，必须和系动词或实义动词连用特点情态动词ModalVerbsModalVerbs情态动词1.Wemustrespecttheelderly.2.Wehavetowearuniformsatschool.must表达说话者主观的看法、信念或强烈的建议，常用于表达个人的决心、义务感或内在的驱动力。have

to强调由于外部的客观情况、规定、事实等因素，导致不得不做某事，并非完全出于个人意愿。例句must必须mustn’t禁止

我们必须戴口罩。

Wehavetowearmasks.你不必在七点前到校。

Youdon’thavetogettoschoolbefore7:00.haveto必须，不得不don’t/doesn’thaveto不必

我现在必须回家了。

Wegohomenow.你不准在这里吸烟。

Youmustn’tsmokinghere!比较一下haveto与must的肯定与否定Writetherulesfortheschoollibrary.Libraryrules1.Don’ttalk.2.________________3._________________4.__________________Don’teatordrink.Don’tlistentomusic.Don’ttakephotos.1._________________2.________________3._________________4.__________________Youmustn’teatordrink.Youmustn’tlistentomusic.Youmustn’ttakephotos.Youmustn’ttalk.1._________________2.________________3._________________4.__________________Noeatingordrinking.Nomusic./Nolisteningtomusic.Nophotos./Notakingphotos.Notalking.Exercises2.Whosebirthdayisit?

用haveto或hasto填空。1.We________cleanourclassroomafterschool.2.She_________makeherbedaftergettingup.3.—Lisa,hurryup!Thebusiscoming.—Oh,no.We______crossthestreetwhenthetrafficlightsarered.A.mustn’t

B.needn’t

C.should

ExerciseshavetohastoA2.Whosebirthdayisit?Let’slearnsomephrasesjumpthequeuebeabsentfromclassfeedthedog2.Whosebirthdayisit?NewPhrasestalkquietlyinthelibraryputontheseatbelt2.Whosebirthdayisit?03应用实践ApplicationPractice2.Whosebirthdayisit?Completethesentencesusingcan,haveto/must,orcan't/mustn't.3b1.Don’tjumpthequeue.You

______________waityourturn.2.I______feedmydogmanykindsoffood,butI

______________givehimchocolate.Itisbadforhim!3.A:CanIleavetheclassroomifIdon'tfeelwell?B:Yes,butyou_____tellyourteacheraboutitwhenyou_________beabsentfromclass.4.A:Hey!CanIlookatyourbook?B:Shh,we

______________talkquietlyinthelibrary.5.A:Canyouputonyourseatbelt?We

______________wearonewhenwe'reinacar.B:Sure.Thanks!haveto/mustcancan’t/mustn’thavetocanhaveto/musthaveto/must2.Whosebirthdayisit?Lookatthefirstsignandreadtherules.Thenwritetherulesfortheothersigns.3cDon’tpark.Noparking.Youcan’t/mustn’tpark.Don’ttakephotos.Nophotos.Youcan’t/mustn’ttakephotos.2.Whosebirthdayisit?Lookatthefirstsignandreadtherules.Thenwritetherulesfortheothersigns.3cDon’tswim.Noswimming.Youcan’t/mustn’tswim.Don’tfeedthebirds.Nofeeding.Youcan’t/mustn’tfeedthebirds.2.Whosebirthdayisit?04迁移创新

MigrationInnovation2.Whosebirthdayisit?Ingroups,brainstormthreerulesforoneoftheplacesbelow.3dlibrary

school

dining

hall

park

cinema

hospitalInthelibrary,wemustkeepquiet.Wemustn’tmakenoise.Wecan’tbringfoodtothelibrary.Wecan’ttalkloudlyinthelibrary.Wehavetoreturnthebooksontime.…2.Whosebirthdayisit?