仁爱英语七下现在进行时课件

语法专题现在进行时,现在进行时,一、含义：现在进行时表示现在（即说话人说话的时刻）正在进行的动作或正在发生的事情，现在进行时的标志性词语有now,look,atthemoment,listen等,二、现在进行时基本结构,主语+be动词+动词的现在分词,I,am,He/She,We/You/They,is,are,writing.,speaking.,running.,结构:be+doing(be要根据主语作人称和数的变化),现在进行时,现在进行时的四种句式：1.肯定句主语+be+doingEg:Iamdoingmyhomework.2.否定句主语+be+not+doingEg:Iamnotdoingmyhomework.3.一般疑问句be提到句首（注意人称变化）Eg:Areyoudoingyourhomework?4.特殊疑问句：特殊疑问词+一般疑问句Eg:Whatareyoudoingnow?,句型转换1.肯定句转换成否定句,要在be后加not构成eg:WearereadingEnglishnow.WearenotreadingEnglishnow.2.陈述句转换成一般疑问句,把be动词提到句首eg:Thestudentisdrinking.Isthestudentdrinking?3.陈述句转换成特殊疑问句,由“疑问词+一般疑问句”构成eg:Heisworking.Whatishedoing?,现在进行时,现在分词的构成规则：1.一般在动词词尾加-ing，如：read-reading2.以不发音e结尾，去e加-ing，如：write-writing3.以重读闭音节结尾的动词，末尾只有一个辅音字母，应先双写这一字母，再加-ing。Eg：swim-swimmingrun-runningcut-cuttingshop-shoppingsit-sitting特殊变化：lie-lying平躺，die-dying死亡,用现在进行时完成下列句子:1.What_you_(do)?2.I_(sing)anEnglishsong.3.What_she_(drink)?4.He_(drive)acar.5._you_(fly)akite?Yes,_.6._she_(sit)intheboat?7._you_(ask)questions?8.We_(play)gamesnow.,areplaying,doing,are,amsinging,is,drinking,isdriving,Are,flying,Iam,Is,sitting,Are,asking,Exercises,Someexercises.一、用现在进行时改写下列句子.1.Shesitsunderthetree.Sheissittingunderthetree.2.Ieatahamburgerandsomefruit.Iameatingahamburgerandsomefruit.3.TheycleantheclassroomTheyarecleaningtheclassroom.,1.Thechild_thewindowsnow.(open),2.Theboy_apicturenow.(draw),3.Look!She_abook.(read),4.I_ane-mailtomypenpalnow.(write),5.You_yourhomeworkathomenow.(do),6.We_atschoolnow.(run),7.They_TVnow.(watch),isopening,isdrawing,isreading,amwriting,aredoing,arerunning,arewatching,Fillintheblanks:,二、用所给动词的适当形式填空1.Look!Andy_(fly)amodelplane.2.Listen!Amy_(sing)inthenextroom.3.Manystudents_(play)footballinthefootballfieldnow.4.Fatherisntathome.He_(work).5.Itssevenoclocknow.Hisfather_(watch)TV.,isflying,issinging,areplaying,isworking,iswatching,6.Kitty_(dance)withherfriends.Cantyousee?7.-WhereisMillie?-She_(chat)withherclassmatesintheclassroom.8.-What_Simon_(do)?-He_(draw)apictureontheblackboard.9.-_thegirls_(sing)?-No,they_(shout).10.Donttalkwithme,please.I_(do)myhomework.,isdancing,ischatting,is,doing,isdrawing,Are,singing,areshouting,amdoing,句型转换：1.Theyarecleaningthehouse.（一般疑问句）3.Tomissinging.（改为否定句）4.Kateis_（划线提问）5.Sheissitting_（划线提问）