现在进行时一、现在进行时A表示现在(指说话人说话时)正在发生的事情(now，atthemoment)Whatareyoudoing?IamwatchingTVnow.B.表示当前一段时间内的活动或者现阶段正在进行的动作(thesedays，thisweek，thismonth,thisterm)I’mreadingahistorybookthismonth.Wearemakingmodelplanesthesedays.这些天我们在做飞机模型。PS:以look,listen开头的句子，提示我们动作正进行，这时要用现在进行时。如：Listen！SheissinginganEnglishsong.听，她正在唱英语歌。PS:描述图片中的人物的动作，也为了表达更生动。此时也常用现在进行时。如：Lookatthepicture.Thechildrenareflyingkitesinthepark.看这幅图，那些孩子正在公园放风筝。二、现在进行时的构成：现在进行时由"be+现在分词（v-ing）"构成。Be动词应与主语的人称和数保持一致，即：Iam/he/she/it包括单数名词和不可数名词用is,you/we/they包括复数名词用are.Thestudentsarelisteningtotheteacher.HeiswatchingTVnow.三、现在分词的构成（1）一般情况下在动词词尾加ing。go→goingask（问，询问）→askinglook→looking（2）以不发音的e结尾的动词，去掉e加ing。have→havingtake→takingmake（做，制造）→makingwrite（写）→writing（3）以一个辅音字母结尾的重读闭音节，双写最后一个字母，再加-ing。get→gettingsit（坐）→sittingput（放）→puttingrun（跑）→runningswim→swimmingbegin（开始）→beginning相关拓展：重读闭音节是指在一个音节中，以辅音音素结尾的而且是重读音节的音节。重读闭音节中元音字母不是发它本身的字母音，而是发短元音。(4)特殊形式lie-lyingdie-dying写出下例动词的现在分词形式1．swim2．take3．run4．go5．buy6．help7．listen8．dance9．clean10.talk11．do12.watch13．put14.read15.stop16.eat17．write18.play现在进行时态的肯定式、否定式、疑问式及简略回答。（1）肯定式：主语+be＋v-ing+其他Heisrunning.他正在跑。Thestudentsarecleaningtheroomnow.（2）否定式：主语+be＋not＋v-ing+其他Heisnotrunning.Thestudentsaren’tcleaningtheroomnow.这些学生现在没有在打扫房间。（3）一般问句：be动词提前。“Be+主语+v-ing+其他？”肯定答语Yes，主语＋be.否定答语No，主语＋benot.-Isherunning?-Yes,heis./-No,heisn’t.Arethestudentscleaningtheroomnow?-Yes,theyare./-No,theyaren’t.（4）特殊问句式：“疑问词+be＋主语＋v-ing＋其他？”a.对谓语动词进行提问的：What＋be＋主语＋doing＋其他？Whatistheoldmandoingunderthetree?那个老人正在树下面做什么呢？b.对其他成份进行提问的，疑问词＋一般疑问句？Whereistheboyswimming?那个男孩正在哪里游泳？Whoisshewaitingfor?她正在等谁呢？一、根据句意及汉语提示完成句子1．Whois(使用)thecomputer?Mrs.Smith.2．Lookatthephoto.Arethey(看)TV?3.—Whatisshedoing?—Sheis(读)abook.4．I'dlikesomecoffeeto(喝).5．Areyou(做)soupathome?二、用括号内所给词的适当形式填空1．Oneofthem(take)photosforusnow.2．Theman(notsing).He's(talk)now.3．It'seighto'clocknow.Thestudents(have)anEnglishclass.4．Look!Thelittleboy(play)withacat.5．—Whatyourmother(do)now?—She(watch)TV.6．Mary(read)booksinthelibrarynow.7．Weare(play)basketballnow.8．—WhereisTom?—He(play)basketballontheplayground.9．Theteacheris________(have)aclass.10.—Isyourfatherathome?—Yes,heis.He(drink)teawithmygrandfather.11．Look!Who's(clean)theclassroom?12．Whataretheydoing?Arethey(take)photos?13．Mybrotherlikes(read)booksbeforegoingtobed.14．KateandJimwant(swim)thisafternoon.15．—________they(wait)forus?—Yes.Let'shurry.16.Myparents(watch)TVnow.17.Look!Theboy(play)computergames.18.Listen!Thebirds(sing)inthetreehappily.19.Therearesomeboys(swim)intheriver.20.—Whereisyourmother?—She(cook)inthekitchen.三、根据汉语意思完成句子，每空一词1．“他正在做什么？”“他正在做作业。”—________he___...
