英语人教版七年级下册Unit4 Section A 3a—3c.ppt

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1、SectionAPeriod2(3a-3c)Unit4Howmanyrulesdoyouknow?Whatcan’twedoatschool?Wecan’t…Schoolrules1.Don’tarrivelateforclass.2.Don’tsleepintheclassrooms.3.Don’tlistentomusicinclass.4.Don’teatintheclassrooms.5.Don’tfightwithyourclassmates.6.…Let’sreadthesesentences.Canyoufi

2、ndsomethingspecial?祈使句1.祈使句是表示命令、叮嘱、号召等的句子;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：Don’teatinclass.Don’tplaysportsintheclassroom.Don’tfight.Comein,please!请进！Sitdown,please.请坐。否定肯定肯定祈使句否定祈使句Sitdown.Comein.Eatathome.Listentomusicoutside.5.Doyourhomeworkatschool.Don’

3、tsitdown.Don’tcomein.Don’teatathome.Don’tlistentomusicoutside.Don’tdoyourhomeworkatschool.Examplescan能，能够（表示许可）—CanIsithere?    —No,youcan’t.我可以坐这儿吗？不，你不能。can能，会（表示能力）—Canyouplaybasketball?    —Yes,Ican.你会打篮球吗？是的，我会。haveto必须，不得不hasto必须，不得不don't/doesn'thaveto没必要1

4、-Doyouhavetoplaythepiano?-Yes,Ido/No,Idon't2-Doesshehavetoplaythepiano?-Yes,shedoes/No,shedoesn'tDoesshehavetoplaythepiano?根据句意，用can和can’t填空。1.MrGreen_______smokeherebecausethere’sasignonthewall.Itsays“Nosmoking.”You_____can’t_____wearahat.can’tExercise2.We_______

5、eatintheclassroombecauseit’simpolitetoteachers.3.I______gotobedafter11:00onschoolnights.4.Thestudents_____readbooksandmagazinesinthelibrary.can’tcancan’t用haveto或hasto填空。1.We________cleanourclassroomafterschool.2.She_________makeherbedaftergettingup.3.It’slate.MrBe

6、ckman______gotoworkbycar.4.EmilyandPeterjoinamusicclub.They_______practicetheguitareveryday.havetohavetohastohastoDoyoulikereadinginalibrary?Canyoumakealistofrulesthere?Doyouknowtherulesfortheschoollibrary?Don’ttalk.Don’ttalk.Doyouknowtherulesfortheschoollibrary?D

7、on’teatinthelibrary.Don’tlistentomusicinthelibrary.Doyouknowtherulesfortheschoollibrary?Don’ttakepictures/photosinthelibrary.Doyouknowtherulesfortheschoollibrary?3aWritetherulesfortheschoollibrary.LibraryRules1.__________________________________2._________________

8、_________________3.__________________________________4.__________________________________Don’ttalk.Don’teatinthelibrary.Don’tlistentomusicinthelibrary.D