三．现在进行时

　　现在进行时:表示说话正在进行的、发生的动作

　　通常在句子中有以下的词：now,look,listen,atpresent,atthemoment句子的结构如下：beamis

　　are

　　+动词ing

　　如：1.Iamlisteningtothemusicnow.2.Thestudentsaredrawingpicturesnow.3.Listen!Sheissinging.4.Look!MrLiisridingabike.特殊疑问句：Whatareyoudoing?Whatishe/she/itdoing?一般疑问句：Areyoucleaningtheroomnow?Isshe/he/itwatchingTVnow?否定句：Iamnotplayingfootball.She/Heisnotswimmingnow.3.动词现在分词构成:

　　1)正常变化是在动词原型后加ing如:

　　read----readingdrink---drinkingeat---eating2)以e结尾的动词,去掉e再加ing如:

　　write---writingmake---makingride---riding

　　3).重读闭音节（只有一个元音字母,而其后跟有一个辅音字母时）要双写结尾的辅音字母再加ingsit---sittingswim--swimmingput---puttingrun—running

　　现在进行时练习

　　一．括号中动词的适当形式填空：

　　1．MrLiang(read)abooknow.2.Themouse(run)now.

　　3..Look!AmyandJohn(swim).4.Mysister(make)akiteinhisroomnow.5.Look!Thebus(stop).

　　6.We(have)anEnglishclassnow.7.Listen!Someoneis(come).8.They(catch)insectsnow.

　　9.He(do)anexperimentnow.10.They(collect)stampsnow.11.Look!Mybrother(dive)now.12.Sue(watch)TVinthediningroom.13.Thenurses(get)offthebus.14.Comeon.They(leave)now.15.It(eat)fishnow.

　　16.Myuncle(work)intheofficenow.17.Whereisyourmother?

　　She(answer)thephone.18.Thedoctors(swim)now.二．选择填空：

　　1.Whatareyoudoing?I________.

　　A.eatB.caneatC.eatingD.ameating2.Weare_________booksnow.

　　A.readingB.amreadingC.readD.toread3.Ourteacheris________aredsweater.A.puttingonB.putonC.wearsD.wear4.Thatboyisn’t________theteacher.

　　A.listenB.listensC.listeningD.listeningto5.It’seighto’clock.Jimmy’sparents__________TV.A.iswatchingB.arewatchingC.watchD.towatch6.Mymotheris_____acake_____mybirthday.

　　A.makingtoB.makingforC.doingtoD.doingfor7.Theyare_______thesebooksinthebox.A.putsB.putC.toputD.putting8.____you___thewindow?—Yes,Iam.

　　A.Do,cleanB.Is,cleaningC.Are,cleaningD.Do,cleaning三．用动词的适当形式填空：

　　1.Whatareyou_________(do)now?I___________(eat)bread.

　　2.It’snineo’clock.Myfather_______________(work)intheoffice.3.Look,theboy____________(put)therubbishintothebin.

　　4._______he________(clean)theclassroom?No,heisn’t.He_____(play).5.WhereisMike?He___________(run)onthegrass.6.Listen,who____________(sing)inthemusicroom?四．句型转换：

　　1.Theyarecleaningthewindow.（改为一般疑问句）_______________________________________?2.Tomisworking.（改为一般疑问句）_______________________________________?3.Jimissinging.（改为否定句）

　　_______________________________________.4.Kateisdancing（对划线提问）

　　________________________________________?5.Sheissittingnearthewindow（对划线提问）_________________________________________?

　　6.Thestudentsareplayingbasketballontheplayground.（改为否定句）———————————————————————

　　7.Maryiswritingalettertoherpenpal.（对划线提问）_________________________________________?

　　8.Iamridingabikewithmyfather.（改为否定句）_________________________________________

　　9.Thestudentsareswimmingoverthere.（改为一般疑问句）_________________________________________?10.Mymoth