初一英语《现在进行时》语法.ppt

Presentcontinuoustense,现在进行时,Definition(定义）,Weusethepresentcontinuoustensetoshowthatsomethingishappeningnow.我们使用现在进行时谈论现在正在发生的事情.,He,play,football.,is,ing,She,read,abook.,is,ing,Whatishedoing?,Whatisshedoing?,TheyarewatchingTV.,Whataretheydoing?,Look！Thetwinsarethinking.,Whataretheydoing?,Structure,观察以下三个句子，猜猜现在进行时的结构：,IamhavinganEnglishclass.Lucyisreadingabook.TheyarewatchingTV.,positive(肯定句）：主语+be(isamare)+doing+其他如：Iamreadingabook.我正在看书。,He/She/Itiseating.Iameating.You/We/Theyareeating.,Negative（否定句）：主语+be(isamare)+not+doing如：Iamwriting.我正在写字。Iamnotwriting.我不是正在写字。He/She/Itis(not)eating.Iam(not)eating.You/We/Theyare(not)eating.,3.一般疑问句及回答:问句,直接把be提前,Be（isamare）+主语+doing+其他？肯定回答:Yes,主语+be（isamare）否定回答:No,主语+be（isamare）+not-Areyoudrawing?-Yes,Iam./No,Imnot.-Isshesinging？-Yes，sheis./No,sheisnt.-Aretheyrunning?-Yes,theyare./No,theyarent.,特殊疑问句：特殊疑问词+be（isamare）+主语+doing,例如：Whatareyoudoing？Iamwriting.Whatishe/she/itdoing？He/She/Itiswriting.Whataretheydoing？Theyarewriting.,Whenwesawthefollowingwords,weshouldusepresentcontinuoustense,时间状语atpresent目前；现在atthemoment此刻，现在rightnow此刻，现在；立刻，马上now现在,Look!看Listen!听,Whatisitdoing?,Itisdancing.,Whatishedoing?,Heisdrawing.,Whataretheydoing?,Theyareplayingfootball.,Whataretheydoing?,Theyareplayingbasketball.,Whatisshedoing?,Sheisswimming.,Whataretheydoing?,Theyareboating.,Whataretheydoing?,Theyarerunning.,Whatisshedoing?,Sheisdancing.,Whatishedoing?Heisplayingbasketball.,Whatistheboydoing？Heissinging.,Lookandguess,请一个同学上来做动作，其余同学猜这个同学在做什么。知道的同学请举手。（必须使用刚学的句型“Whatishe/shedoing？-He/Sheis”）加油，你是最棒的！,-Whataretheydoing?,-Theyreswimming.,-Aretheyswimming?,-Yes,theyare.,Whatisshedoing?,Sheiscleaningthehouse.,Isshedoingherhomework?,No,sheisnt.,Whataretheydoing?,Theyarerunning.,Aretheywriting？,No,theyarent.,一、句型转换1.Iamwateringtheflowers.(改为否定句)2.Shesjumpingnow.(改为一般疑问句)3.Theboysareplayingcards.(对划线部分提问)4.Ishedoinghishomework？（肯定和否定回答）,Isshejumpingnow?,Whataretheboysdoing?,Yes，heis./No，heisnt.,Iamnotwateringtheflowers.,Practice,二、按要求改写句子1.Theboyisplayingbasketball.否定句：_一般疑问句：_肯定回答：_否定回答：_对“isplayingbasketball”提问：_对“Theboy”提问：_,Theboyisnotplayingbasketball.,Istheboyplayingbasketball？,Yes，heis.,No，heisnt.,Whatistheboydoing？,Whoisplayingbasketball？,2.Theyaresingingintheclassroom.否定句：_一般疑问句：_肯定回答：_否定回答：_对“aresinging”提问：_对“intheclassroom”提问：_,Theyarenotsingingintheclassroom.,Aretheysingingintheclassroom？,Yes，theyare.,No，theyarent.,Whataretheydoingintheclassroom？,Wherearetheysinging？,1.完成课本P50、51练习。2.复习这节课所讲内容。3.继续背诵第四单元词汇，下星期回来听写。,Homework,Thankyou,选择填空：1.Who_overtherenow?A.singingB.aresingC.issinging2.Itsnineten.Thestudents_amusicclass.A.haveB.havingC.arehaving3.Listen!Theboy_A.cryingB.iscryingC.cries4.Donttalkhere.Grandparents_.A.sleepB.issleepingC.aresleeping5.Istheman_teaormilk?A.drinksB.drinkC.drinking,C,C,B,C,C,用所给的动词的正确形式填空：1.Theboy_(draw)apicturenow.2.Listen!Somegirls_(sing)intheclassroom.3.Mymother_(cook)somenicefoodnow.4.What_you_(do)now?5.Look!They_(have)anEnglishlesson.,isdrawing,aresinging,iscooking,are,doing,arehaving,单项选择1.MayIspeaktotheheadmaster?He_ameetingnow.CanItakeamessage?A.ishavingB.hadC.hasD.willhave2.Look!Peter_TVhappily,buthisparentsarebusyinthekitchen.A.iswatchingB.watchesC.watchedD.waswatching3.Ssh,bequiet!Thebaby_inthenextroom.Oh,sorry.A.sleepsB.sleptC.issleepingD.wassleeping4.Sam,comedownstairs,please.Ineedyourhelp.Sorry,mum.I_onthephone.A.amtalkingB.talkedC.wastalkingD.havetalked,A,A,C,A,5.Whereisyourcousin?He_anEnglishexamnow.A.hasB.hadC.haveD.ishaving6.Look!Peter_TVhappily,buthisparentsarebusyinthekitchen.A.iswatchingB.watchesC.watchedD.waswatching7.MayIspeaktotheheadmaster?He_ameetingnow.CanItakeamessage?A.ishavingB.hadC.hasD.willhave,D,A,A,用现在进行时完成下列句子:1.What_you_(do)?2.I_(sing)anEnglishsongnow.3.What_he_(do)?4.He_(drive)acar.5._you_(fly)akite?Yes,_6._she_(sit)intheboatnow?7.We_(play)gamesnow.,现在分词即V-ing变化规则,3.现在分词即V-ing变化规则：（1）一般动词在后面直接加-ing.如:play-playingwatch-watching（2）以不发音的e结尾的单词,直接去e再加-ing.如:take-takingcome-coming,（3）以“ie”为重读音节结尾的单词,一般变“ie”为y后再加-ing.如：tie-tying，lie-lying（4）以“辅音字母+元音字母+辅音字母”结尾的单词，先双写末尾的辅音字母，再加-ing如:run-runningswim-swimming,练习1.写出下列动词的ing形式.1.help_e_3.swim_4.eat_5.give_6.find_7.sit_8.write_,helping,coming,swimming,eating,giving,finding,sitting,writing,写出下列动词的ing形式,readplaydancewritesitgethaveeatlookcarrybeginputtakeswimleaveshinemakesleepcutchangelie,reading,playing,dancing,writing,sitting,getting,having,eating,looking,carrying,beginning,putting,taking,swimming,leaving,shining,making,sleeping,cutting,changing,lying,三.现在进行时与一般现在时的区别（一）现在进行时表示动作的暂时性，而一般现在时表示动作的习惯性和经常性IamwatchingTVnow.（暂时性）IwatchTVeveryday.（经常性）（二）现在进行时可表示短暂性动作，而一般现在时表示长久性动作。LucyislivinginBeijing.（短时间居住）LucylivesinBeijing.（长久性居住）（三）现在进行时表示的动作可带有感情色彩，而一般现在时所表述的动作通常是事实。Yourealwaysforgettingthemostimportantthings.（责备）Heisalwayshelpingothers.（赞扬）Heoftenhelpsothers.（事实）,（四）有些动词不能用进行时，know,understand,love,like,hate,wish,want,think,hope,have,believe,agree,hear,see,notice，smell,taste等等。这些动词通常用一般现在时表示说话时发生的动作。Ihavealotoffriendshere.Shewantstobuyanewbike.Iknowtheanswernow.(正确）Iamknowingtheanswernow.（错误）,单项选择1.Iwant_homeworknow.A.doingB.todoC.todomyD.domy2.Im_abookintheroom.A.watchingB.seeingC.readingD.looking3.Dotheyhaveanewcar?Yes,_.A.theyareB.theyhaveC.theydontD.theydo4.Heoften_supperat6:00intheevening.A.haveB.hasC.ishavingD.iseating,5.Whatareyoudoing?Im_TV.A.watchB.watchesC.towatchD.watching6.Tom_anEnglishclassnow.A.ishavingB.hasC.havingD.have7.Areyouplayingbasketball?No,we_.A.isntB.arentC.notD.dont,一、用括号内所给单词的适当形式填空。1.Look!Thereisalotofpeopleoverthere.What_they_(do)now?2.What_yourmother_(do)?Sheisateacher.3.Dontsing.Thebaby_(sleep).4.Mybrother_(notlike)playingbasketball,buthe_(like)playingfootball.,5.Listen!Thegirls_(sing)inthenextroom.6.Mysister_