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第1页专题复习--现在进行时一．意义：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.▲二．构成:be(am,is,are)+动词现在分词（-ing形式）三.动词的现在分词的构成：（1）一般在动词末尾直接加ing,read→reading;work→working（2）以不发音字母e结尾的动词，先去掉e,再加ing，如skate→skatingmake→makingdance→dancingwrite→writinghave→havingride→ridingcome→comingtype→typing（3）少数几个以ie结尾的动词要变ie为y,再加-ingdie→dyingtie→tyinglie→lying★（4）辅+元+辅结构，应双写末尾的辅音字母，再加ing,如：puttingrunningbeginningstoppingswimmingshoppingjoggingsittinggettingforgettinglettingdiggingplanningpreferring四、现在进行时的句型转换：肯定句：主语+be+现在分词V-ing(+其他)Eg1.I’mdoingmyhomeworknow.Eg2.Sheissingingatthemoment.Eg3.Theyareplayingcomputergamesnow.否定句：主语+be+not+动词-ing+其他.Eg1.I’mnotdoingmyhomeworknow.Eg2.Sheisn’tsingingatthemoment.Eg3.Theyaren’tplayingcomputergamesnow.一般疑问句：Be+主语+动词-ing+其他？Eg1.Areyoudoingyourhomeworknow?---Yes,Iam.---No,I’mnot.Eg2.Isshesingingatthemoment?---Yes,sheis.---No,sheisn’t.Eg3.Aretheyplayingcomputergamesnow?---Yes,theyare.---No,theyaren’t.特殊疑问句：特殊疑问词+be+主语+动词-ing+其他？Eg1.Whatareyoudoingnow?Eg2.Whoishetalkingto?Eg3.Wherearetheydancing?五、现在进行时的时间标志及用法：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，常判断用现在进行时。Eg:Let’sgofast.Mr.Wuiswaitingforusnow/rightnow/atthemoment.Eg.It’ssixo’clock.Thechildrenareplayingbasketball.(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，这时，句子也要用现在进行时。第2页Eg:Keepquiet!Theteachersaretalkingintheoffice.Eg.Look!Theyareplayingbasketballontheplayground.Eg.Don’tmakenoise!Thebabyissleeping.Eg.Listen!Sheissingingintheroom.(3)现在进行时常用来表示在当前一直做着的动词，这时句中常用thesedays,allthetime等时间状语。Eg:Thesedays,uncleWangisbuildingasmallroomforhisdog.Eg.Conditionsarechangingallthetime.(4)通过上下文句义，表明某一动作是现在或说话瞬间发生的动作，这个句子也要用现在进行时态。Eg:---Isyourmotherathome?---Yes,sheis.sheiswatchingTV.Eg.---WhereisTom?---Heisrunningontheplayground.(5)表示状态和感觉的词，如：know,love,like,looklike,want,hear,see,believe,look,smell,taste,feel,sound一般不能用于进行时态，因为他们不能表示正在进行的动作。Eg:Look!Therearesomesheeponthehill.Eg.Look!Theboatlookslikeaduck.Eg.Now.IwanttogotoBeijing.(6)对于无法持续动作的词，一般常用现在进行时表示将来。如：go，come，start，move，sail，leave，arrive，stay，live,flyEg.WeareleavingonFriday.Eg.I’mcoming.课堂练习：一、写出下列动词的现在分词形式：waitlivegrowplayhavesleepflysingcomegoreadgetraindrawput二、根据句意，用所给动词的适当形式填空：1.Listen,Mr.Wuonthephone(talk).2.Isoccernow.I’mwalking(notplay)3.---Isyourfatherathome?---Yes,heis.HeaTVshow.(watch)4.Theytogototheshopnow.(want)5.---youforyourfriends?(wait)---No,I’mnot.6.Steveisverybusy.Healetter(write)7.Don’tspeak!Myfather(sleep).8.It’stwelveo’clock.Thestudents(have)lunch.9.Don’tgoout!Itoutside.(rain)第3页10.---Whyareyoustandinghere,Dave？---IforScott.(wait)11.Theboys(help)theirmotherinthekitchennow.12.Theskyisblueandthesun(shine).13.Whatthosepeople(do)now?They(look)atthepictures.14.Look,Sam(dig)inthegarden.15.Areyou(think)aboutyourEnglishlesson?16.Thechildren(listen)tothemusic.17.he(run)ontheplayground?18.JimandPat(read)rightnow?19.Whataretheydoing?They(swim)inthesea?20.Whatareyoudoing?I(play)thepiano.三、按要求改写句子。1.Thechildrenaremakingamodel.(否定句)2.Timiseatinganapple.(一般疑问句)3.Areyoudoingyourhomeworknow?(作肯定和否定回答)4.Theyarestudyingathome.(atschool)(改为选择疑问句)theyathomeatschool?5.MissWangissittinginasofa.(对划线部分提问)6.Theyareworkinginafactorythesedays.7.Sheislearningthepianothisyear.(用learningtheviolin改为选择疑问句)8.Helen’sfatheriscleaninghiscar.(对划线部分提问)9.IamreadingEnglishinthegarden.(对划线部分提问)10.TomandBobarelisteningtotheradio.(对划线部分提问)11.Iamwantingtobuyahotdogformylunch.(改错)课后练习：一、写出下列动词的现在分词形式：studyturnbuildwinclosehelpshinedoreadsitrunstop二、将下列句子改为现在进行时，必要时可加now,atthemoment等单词或词组。1.Iwritealetter.2.Myfatherwalksinthegarden.3.DotheytraveltoLondon?4.Thetrainstopsatthestation.5.Themandoesn’tcutdownatree.6.Wheredotheyplayfootball?三、用所给动词的正确形式填空。1.thegirls(open)thewindowsnow?2.Inot(make)cards.第4页3.She(notwrite)letters.4.Lucy(draw)thepictureintheroomrightnow.5.Ted(drive)abusonhiswayhomeatthemoment.6.Look!Thelittlecat(eat)thebeef.7.Listen!Who(cry)inthenextroom?8.Isyourfatherathome?Yes,he(read)newspaper.9.Whatthey(dig)now?10.Becareful!Thebus(come).11.Itissixo’clockandhehisbreakfast.Healwayshisbreakfastatsixo’clock.(have)12.“Whereareyougoing?”“Ifishing.”“Howoftenyou”“Ifishingonceeverytwoweeks.”(go)13.Shearestnow.Sheusuallyarestafterlunch.(have)14.I(believe)you(tell)thetruthnow.15.Thepoordog(look)ill.专题复习—过去进行时一、意义过去进行时常表示过去某一时刻或过去某一阶段内正在进行的动作。二、构成be(was/were)+动词现在分词（-ing形式）三、动词的现在分词的构成：（同现在进行时）四、过去进行时的句型转换肯定句：主语+was/were+doing+其它Eg1.Hewascookingatsixlastnight.Eg2.Iwasreadingabookatthattime/then.Eg3.Theywerewritingareportatnineyesterday.否定句：主语+was/were+not+doing+其它Eg1.Hewasn’tcookingatsixlastnight.Eg2.Iwasn’treadingabookatthattime/then.Eg3.Theyweren’twritingareportatnineyesterday.一般疑问句及答语：Was/Were+主语+doing+其它Eg1.Washecookingatsixlastnight?Eg2.Wereyoureadingabookatthattime/then?Eg3.Weretheywritingareportatnineyesterday?特殊疑问句：特殊疑问词+was/were+主语+doing+其它Eg1.Whatwashedoingatsixlastnight？Eg2.Wherewereyoureadingabookthen?Eg3.Whowastalkingtotheteacherattenyesterday?五、过去进行时常见时间标志词和用法①过去某个时间正在发生的动作Eg.Hewascookingatsixlastnight.第5页②过去某段时间正在发生的动作例：IwasstayingherefromMarchtoMaylastyear.与过去进行时连用的时间状语，常见的有atninelas