现在进行时.ppt

现在进行时知识要点：一.现在进行时的定义:现在进行时是表示现在、说话瞬间或当前一直正在做着的动作.Shereadisingnow.Heeatisingnow.Listen!Thebirdissinging.Look!Theboyisplaysoccer.ingTheywatchTVareingnow.Theboyswimismingnow.Theydancearenow.ing二、时间状语1）一般句中用到表示“在现在”的时间状语，如：now,rightnow,atthemoment或It’s+几点钟”句型。(2)句中用到“Listen！”“Look!”“Keepquiet”“Don’tmakenoise!”等提示语时，表明说话间另一个动作正在进行。(3)表示在当前一直做着的动词，常用thesedays,allthetime等时间状语。2.否定句：直接在be后加not.如：Iamwriting.Iamnotwriting.三、现在进行时的句式1.肯定句:主语+be+v-ing+其它.如:Iamreadingabook.3.一般疑问句及回答:问句,直接把be提前,肯定回答:Yes,主语+be否定回答:No,主语+be+not-----Areyoudrawing?-----Yes,Iam./No,I’mnot.四.现在分词的构成:(1)一般动词在后面直接加—ing,如：read-------reading;play-------playing;(2)以不发音字母“e”结尾的单词，去掉“e”后加－ing,如：write-----writing;have-----having;（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)“辅音字母＋元音字母＋辅音字母”结构结尾的重读闭音节单词加写后面的辅音字母后加－ing;如：run----running;swim-----swimming;注：铃声响，课开始学生坐放好书得知识放学后学生跑让我们去游泳别忘记做功课beginsitputgetrunletswimforget注:shopstopcutkidplanprefer注意：对于无法持续动作的词，一般常用现在进行时表示将来。如：Gocomeleavestartarrivemove等。Eg:WeareleavingonFriday.I’mcoming.写出下列词的现在分词：1.make——2.open———3.clean——4.carry——5.lie———6.begin———7.see———8.get———9.stop———10.play———Exercises:makingopeningcleaningcarryinglyingbeginningseeinggettingstoppingplaying1.写出下列动词的ing形式.1.help_________2.come_________3.swim_________4.eat__________5.give________6.find_______7.sit________8.write________helpingcomingswimmingeatinggivingfindingsittingwriting一．用所给动词的适当形式填空.1.Look!Thecat____________(run)upthetree.2.Thetwins__________(have)breakfast.3.----___he________(clean)theblackboard?----No,heisn’t.4.Tom__________(play)thepianointheroom.Pleaseaskhimtocomehere.5.Listen!They____________(sing)intheclassroom.isrunningarehavingIscleaningisplayingaresingingTalkaboutthepeopleinthepicture.What’shedoing?He’sreading.*Whataretheydoing?*Theyareplayingbasketball.Whataretheydoing?Theyarerunning.Whataretheydoing?Theyareeatingmeat.Theyareridingabike.Whataretheydoing?Whatishedoing?Heiseatingahamburger.Whatishedoing?Heisplayingtheguitar.Whatisshedoing?Heisplayingfootball.Sheisplayingtennis.Whatishedoing?Whatisthepandadoing?Itiseatingbamboo.Whatisthecatdoing?Itissleeping.Whatistheelephantdoing?Itisdrinkingwater.