2019版七年级英语下册Unit6I’mwatchingTVSectionAGrammarFocus_3c教学课件2新版人教新目标版.ppt

Unit6ImwatchingTV.SectionA(GrammarFocus3c),现在进行时态()【新知导引】根据汉语提示完成句子,并体会进行时态的含义及句式结构。,杰克在做什么事情?他在听光盘。What_Jack_?He_toaCD.,is,doing,is,listening,你在做作业吗?不是。我在打扫我的房间。_yourhomework?No,_not.Im_myroom.他们不是在看电视。他们在下国际象棋。They_TV.They_chess.,Are,you,doing,Im,cleaning,arent,watching,are,playing,安静点!你爸爸正在打电话。Bequiet!Yourfather_onthephone.听!劳拉正在她房间里唱歌吗?Listen!_Laura_inherroom?,is,talking,Is,singing,【知识详解】1.现在进行时的用法(含义)(1)表示现在(说话瞬间)正在进行的动作(或存在的状态)。例如:Heisplayingputergamesnow.他正在玩电脑游戏。,(2)现在进行时也可以表示当前一段时间内的活动或现阶段正在进行的动作。例如:Wearestudyingfortheexamthesedays.这些天以来我们一直在准备考试。,2.现在进行时态的构成助动词be(am/is/are)+动词-ing3.现在分词的构成(1)一般在动词词尾加-ing。例如:gogoinglooklooking,(2)以不发音字母e结尾的动词,去e加-ing。例如:writewritingcloseclosing(3)以重读闭音节结尾的动词,如果末尾只有一个辅音字母,应先双写这个字母,再加-ing。例如:getgettingrunrunning,4.现在进行时的句式结构(1)肯定句:主语+be+动词的-ing形式+其他。Iamrunning.我正在跑步。(2)否定句:主语+be+not+动词的-ing形式+其他。WearenotwatchingTV.我们没在看电视。(3)一般疑问句:Be+主语+动词的-ing形式+其他?Aretheyplayinggames?他们在玩游戏吗?,(4)特殊疑问句:特殊疑问词+be+主语+动词的-ing形式+其他?Whatisshedoing?她在做什么?5.现在进行时的判断(1)句中有now。(2)句中有atthemoment,atthistime等。(3)句首有look,listen,bequiet等提示时。,【解题技巧】1.根据标志词或上下文语境判断句子时态。2.根据句子结构特点确定句式结构。3.结合句子主语的数确定谓语动词的正确形式。,【即学活用】.用所给词的适当形式填空1.Isyourfather_(watch)TVnow?No,he_(read)anewspaper.2.Look!MrsBrown_(wash)clothes.She_(make)dinnerinthekitchen.,watching,isreading,isntwashing,ismaking,3.Whereareyourparents,Peter?Theyare_(run)inthepark.4.I_(swim)inthepoolandmybrother_(ride)abikebythepool.5.Whatareyourfriends_(do)atthemoment?They_(dance)inthemusicroom.,running,amswimming,isriding,doing,aredancing,.句型转换MymotheralwayscleansthehouseonSaturdays.(用now改写句子)Mymother_thehouse_.2.Myauntisshoppingwithherfriendsnow.(改为否定句)Myaunt_withherfriendsnow.,iscleaning,now,isnt,shopping,3.Imwritingastoryaboutanimals.(改为一般疑问句并作否定回答)_you_astoryaboutanimals?No,_.4.Theboysareplayingthedrumsnow.(对画线部分提问)_theboys_now?,Are,w