英语人教版七年级下册Unit 4 Period 1 ppt.ppt

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1、Unit4Don’teatinclass!桂东大塘九年制学校方求根Period1(1a-1c)Review:1.Whattimedoyouusuallygotoschool?2.Howdoyougettoschool?3.Canyouplaytheguitar?祈使句是表示请求、命令、叮嘱、号召、劝阻、禁止等的句子;通常省略主语you;句中谓语动词用动词原形;句尾一般用降调。祈使句有肯定和否定两种：1.肯定祈使句（1）动词原形+其他e.g.Lookout!小心！Waitformehere !在这等我。Grammar（2）Do＋动词原型＋其他（加强语气，表“务必，一定）e.g:Do

2、comeontime!一定要准时来！Dobeagoodstudent!一定要做个好学生！（3）Let+sb+动词原形+其他e.g:Let'sgohome.我们回家吧。Letmehelpyou.让我来帮你。2.否定祈使句(1)Don't+动词原形e.g:Don‘ttalkinclass!不要在课堂上讲话！Don’tarrivelateforschool.上学别迟到!Don’tsmoke!/Nosmoking!别吸烟!（2）No＋名词或动名词，用来表示禁止性的祈使句。e.g.Nosmoking!禁止吸烟!Nofishing!禁止钓鱼!Noparking!禁止停车！Nophotos!禁

3、止拍照！(3)Don’t＋letsb.＋动词原形＝Letsb.not+动词原形e.g:Don’tlethimgoout!＝Lethimnotgoout!别让他出去！1.Sitdown.2.Comein.3.Eatathome.Don’tsitdown.Don’tcomein.Don’teatathome.把下列肯定祈使句改成否定祈使句Practice:4.Listentomusicoutside.5.Doyourhomeworkatschool.6.Let’splaycomputergames.Don’tlistentomusicoutside.Don’tdoyourhomewo

4、rkatschool.Let’snotplaycomputergames.Newwordsandphrasessorryrule规则run跑hallway走廊fight打架beontime准时inthedininghall在餐厅inthehallways在走廊listentomusic听音乐arrivelateforschool上学迟到SCHOOLRULES1.Don’tarrivelateforclass.Youmustbeontime.2.Don’truninthehallways.3.Don’teatintheclassroom.Youmusteatinthediningh

5、all.4.Don’tlistentomusicintheclassroomsorthehallways.5.Don’tfight.1a.Writethenumberoftherulenexttothestudent.2354=Therulesoftheschool情态动词—准时———fightwithsb与…打架___Peter_____Amy_____Mike_____1b.Listen.Whatrulesarethesestudentsbreaking?Writethenumbersafterthenames.234234FreetalkWhatcanwedoatschoo

6、lorintheclassroom?Whatcan’twedo?Don’teatintheclassroom.Canweeatinclass?No,wecan’t.belateforclass=arrivelateforclassA:Canwearrivelateforclass?B:No,wecan’t.Wecan’tarrivelateforclass.Wemustbeontime.Don’tarrivelateforclass..A:Canweruninthehallways?B:No,wecan’t.Wecan’truninthehallways.Don’truninth

7、ehallways.Canyouplaybasketballintheclassroom?No,wecan’t.Butwecanplayitoutside.(在外面）Don’tplaybasketballintheclassroom.Canwefightinschool?No,wecan’t.Don’tfight.Canwefightwithothers?No,wecan’t.fight注：fightwithsb与……打架eatintheclassroom.playsportsi