七年级英语下册 Unit 4 Dont eat in class（第1课时）Section A(1a-1c)课件.pptx

第一课时SectionA(1a1c),Donteatinclass.不要在课堂上吃东西。(1)该句为一个否定祈使句，祈使句是用来表示命令、请求、建议、警告、禁止等意义的句子。肯定祈使句用动词原形开头，否定祈使句在动词原形前加Dont。(2)inclass意为“在课堂上；上课时”。【拓展】intheclass在班里Dontarrivelateforclass.上课不要迟到。arrivelatefor与belatefor同义，都表示“做某事迟到”。前者侧重到达的时间晚，后者侧重于状态。【拓展】arrive作不及物动词，意为“到达某地”，宾语为名词时arrive后面要接介词in或at，到达大地点时用介词in，小地点用介词at。与我们在上一单元所学的getto意思相同。,Dontlistentomusicinclass.不要在课上听音乐。listentomusic意为“听音乐”，其中listen为不及物动词，其后接宾语时，要加介词to。eg：Listentotheteachercarefully，please.请认真听老师讲课。Dontfight.不要打架。fight既可作动词又可作名词，意为“打架；斗殴”。eg：haveafight打架ontime准时，按时(不早也不晚)【拓展】intime及时(在时间内或提前发生),一、根据句意及首字母或汉语提示完成单词。1Ihavesome(规章)inmyfamily.2Im(抱歉的)tobreakyourcup.3Dontruninthe(走廊)4Heusuallyattheschoolat8：10am.5Myteachersalwaystellmenottowithmyclassmates.,rules,sorry,hallway,arrives,fight,二、用括号内所给单词的适当形式填空。6Doyouhaveto(walk)everymorning?7Wemust(listen)totheteachercarefullyinclass.8Eachofuscant(talk)inthelibrary.9Dont(sleep)inclass，Sally.10Jane(live)farawayfromherschool.,walk,listen,talk,sleep,lives,三、单项选择。()11.Dontarrivelate_school.AatBinCforDon()12.Icantgototheparty.I_domyhomeworkathome.AmustBcanChastoDdont()13.Donteatintheclassroom，Alex._，Mr.Yang.AExcusemeBThanksCSorryDNotatall()14.Iusually_thebusstopat7：30inthemorning.AarriveBarriveatCarriveinDarrives,C,A,C,B,四、句型转换。15Pleasecomehere.(改为否定句)here，please.16Wecanplayintheclassroom.(改为否定句)Weintheclassroom.17Youmustbeontime.(改为否定祈使句)18Theycaneatin_the_dining_hall(对画线部分提问)theyeat?19Wecanlisten_to_musicafterclass.(对画