Unit 4 Don't eat in class (grammar focus) 课件 2022-2023学年人教版七年级英语下册

Don’teatinclass.Unit4

SectionAGrammarFocus-3cWhathappened?1.不要在楼道里跑。_______________________2.不要打架。_______________3.有什么规则？__________________________4.我们必须按时上课。__________________________阅读GrammarFocus，完成下列句子。Don’tfight.Don’truninthehallways.Whataretherules?Wemustbeontimeforclass.GrammarFocus5.我们可以在教室里吃东西吗？_____________________________6.不能。但我们可以在餐厅里吃东西。____________________________________________________________7.我们可以在上课的时候带帽子吗？___________________________Canwewearahatinclass?No,wecan’t,butwecaneatinthedininghall.Canweeatintheclassroom?8.他在学校里必须穿校服吗？_________________________________9.是的，必须。/不，不必。_______________________________10.你们必须做什么？_______________________________11.在图书馆里我们必须保持安静。________________________________Yes,hedoes./No,hedoesn’t.Doeshehavetowearauniformatschool?Whatdoyouhavetodo?Wehavetobequietinthelibrary.祈使句是表示请求、命令、建议等的句子。句子中通常不出现主语，谓语动词一律用原形。根据句子语气的强弱，句末用感叹号或句号。注意有时可在祈使句的句首或句尾加上please，使语气显得客气、有礼貌。祈使句Openthewindow,please!Bequiet,please!Let’sgonow!Goandbuyhimapen!Putthebooksinyourbag!Writedownyourname!Saythatagain!Bekindtoothers!Bequietwhensittinghere!Lethimgo!Letherplaycomputergames!Letthemgobacknow!Do型Be型Let型祈使句的肯定形式Goandbuyhimapen!Putthebooksinyourbag!Writedownyourname!Do型祈使句的否定Don’tDon’tDon’t在Do型祈使句的肯定句式前加Don’t。Don’twritedownyourname!Don’tgoandbuyhimapen!Don’tputthebooksinyourbag!小结Bekindtoothers!Bequietwhensittinghere!Be型祈使句的否定Don’tDon’tDon’tbekindtoothers!Don’tbequietwhensittinghere!Don’tbelateforclass!小结在Be型祈使句的肯定句式前加Don’t。Let型祈使句的否定Lethimgo!Letherplaycomputergames!Letthemgobacknow!Don’tDon’tDon’tDon’tlethimgo!Don’tletherplaycomputergames!notLethimnotgo!Lethernotplaycomputergames!notDon’tletthemgobacknow!Letthemnotgobacknow!not小结在Let型祈使句的肯定句式前加Don’t;在Let+宾格+(not)+动原No型祈使句“No+名词/动词⁃ing形式”表示禁止或规劝，常用于公共场所。e.g.Nophotos!禁止拍照！

Nosmoking！

禁止吸烟！

Noparking!禁止停车！

Nofishing!禁止钓鱼！

No

littering.

禁止乱扔垃圾！祈使句肯定形式否定形式Do型Be型Let型Do型Be型Let型No型LibraryRulesDon’ttalk.________________________________________________3a

Writetherulesfortheschoollibrary.Don’tlistentomusic.Don’teatordrink.Don’ttakephotos.方法指导：1.由图示可知都是一些禁止类的祈使句。2.可知应用“Don’t+动词原形”句子。Bequiet?(she/haveto/inthelibrary)Q:Doesshehavetobequietinthelibrary?A:Yes,shedoes.

3b

Usethewordstomakequestionsabouttherules.Thenwriteanswersaccordingtoyourschool.Writing2.Eat?(he/haveto/inthedinninghall)Q:__________________________ A:__________________________Listentomusic?(we/can/inthehallways) Q:__________________________A:__________________________4.Wearahat?(we/can/intheclassroom)Q:________________________A:________________________2.Eat?(he/haveto/inthedininghall)Q:________________________________?A:_____________3.Listentomusic?(we/can/inthehallways)Q:________________________________?A:_____________4.Wearahat?(we/can/intheclassroom)Q:_____________________________?A:____________Thenanswerthequestions.Yes,hedoes.DoeshehavetoeatinthedininghallCanwelistentomusicinthehallwaysNo,wecan’t.CanwewearahatintheclassroomNo,wecan’t.Atmydreamschool,wedon’thaveto---.Wecan---.Wecan---.W