英语人教版七年级下册Unit 4 A 3a-3c.ppt

Don teatinclass Unit4 SectionA2GrammarFocus 3c Bepolitetoeachother Wearschooluniform Don tbelateforschool Don tsayruderemarksinschool Don teatsnacksinclass Don tshoutinclass Readtheschoolrules 1 不要在楼道里跑 2 不要打架 3 有什么规矩 4 我们必须按时上课 阅读GrammarFocus 完成下列句子 Don tfight Don truninthehallways Whataretherules Wemustbeontimeforclass GrammarFocus 5 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 祈使句一般用来表示请求 命令 劝说 号召 警告等 在祈使句中 通常省略第二人称主语you 肯定式以动词原形开头 否定式一般在动词原形前加don t 祈使句 一 祈使句的肯定式1 以行为动词原形开头 简称Do型 e g Comehere 到这儿来 2 以动词be开头 简称Be型 e g Bequiet please 请安静 3 以Let开头 简称Let型 e g Let sgo 咱们走吧 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 如果在句尾加please 应该用逗号与前句隔开 e g Gothisway please 请这边走 二 祈使句的否定式1 Do型和Be型的否定式是在句首加don t e g Don tsithere 不要坐在这儿 Don tbelate 别迟到 2 以let开头的祈使句 其否定式有两种 一种是直接在句首加don t 另一种是 let 宾语 not 动词原形 其他 e g Don tlethimgo 不要让他走 Let snotgothere 咱们别去那儿 注意 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 将下列句子翻译成英语 1 请看这幅图画 2 不要在教室里跑 3 让我们帮助他 Pleaselookatthepicture Lookatthepicture please Don trunintheclassroom Let shelphim 4 在图书馆保持安静 5 上课不要迟到 Bequietinthelibrary Don tbelateforclass LibraryRulesDon ttalk 3aWritetherulesfortheschoollibrary 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 3bUsethewordstomakequestionsabouttherules Thenwriteanswersaccordingtoyourschool 2 Eat he haveto inthedinninghall Q A 3 Listentomusic we can inthehallways Q A 4 Wearahat we can intheclassroom Q A 1 根据例句 可知要求我们造一般疑问句并根据实际情况进行回答 2 先确定句子的主语 3 再确定用情态动词还是用助动词来构成疑问语序 4 根据实际情况做出肯定或否定回答 答语的主语要与问句保持一致 方法指导 2 Eat he haveto inthedininghall Q A 3 Listentomusic we can inthehallways Q A 4 Wearahat we can intheclassroom Q A Thenanswerthequestions Yes hedoes Doeshehavetoeatinthedininghall Canwelistentomusicinthehallways No wecan t Canwewearahatintheclassroom No wecan t Atmydreamschool wedon thavetocometoschooleveryday Wecaneatinclass 3cMakeupfivecoolrulesforyourdreamschool Shareyourruleswiththeclass YourclassmatesvotefortheCoolestSchool Wedon thavetowearschooluniforms Wecanlistentomusicinclass Wecaneatintheclassroom Wedon thavetodohomework Atmydreamschool wedon thavetocometoschooleveryday Wecaneatintheclassroom Wecanlistentomusicinclass Wedon thavetodohomework Wedon thavetowearschooluniformsatschool Report Great Jim sschoolisthecoolest Discussandmakerulesforthecomputerroominyourschool ComputerRules Groupwork Wemustbequietinthecomputerroom Don truninthecomputerroom Don teatordrinkinthecomputerroom Wearslippersinthecomputerroom Report ComputerRules Wemustbequietinthecomputerroom Don teatordrinkinthecomputerroom Don truninthecomputerroom Wearslippersinthecomputerroom Cleanthecomputerroomeveryday 1 Hehastoeatbreakfastquickly 改为一般疑问句 2 Playvolleyballafterclass 改为否定句 句型转换 Doeshehavetoeatbreakfastquickly Don tplayvolleyballafterclass 3 Wecanwearsportsshoesinclass 改为一般疑问 4 Don tarrivelateforclass 改为同义句 5 Erichastodohisho