七年级现在进行时讲解精选-ppt

现在进行时态现在进行时的定义: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.Eg:JennyiswatchingTvnow.Iamwriting.现在进行时的谓语结构:•现在进行时的谓语结构是：am/is/are+现在分词。Am/is/are在现在进行时句子中的谓语结构中作助动词用，无词义。Am/is/are的选择运用由句子的主语或数决定。•A:IamwatchingTVathome.•B:Daveiscleaningthefloor.•C:Thestudentsareseeingamovie.现在分词的构成：1.直接加–ingeg:looklooking.2.如果动词末尾有不发音的e,则去e加–ing.3.以重读闭音节结尾,且末尾只有一个辅音字母,应双写末尾字母,再加–ing.eg:sitsitting.4.以ie结尾，把ie变y加ing。lie-lyingdie-dyingtie-tying口诀教你学doing进行时很好记,be加动词-ing;直加双写去哑e,分词构成须仔细;别说be词无词义,主语和它最亲密;变疑问be提前,否定not再后添;何时要用进行时look,listen,now标志.写出下列动词的现在分词形式.1.help_______2.come_____3.swim_______4.eat_____5.give_______6.find_____7.sit_______8.write_____helpingcomingswimmingeatinggivingfindingsittingwriting写出下列动词的分词形式talk_____sleep_____watch_____sit_____listen______make_____laugh______lie_____cry______sing_____cut______write_____talkingsleepingwatchingsittinglisteningmakinglaughinglyingcryingsingingcuttingwriting1.含义：表示现在正在进行或一段时间正在进行的动作。2.标志词：now,look,listen等。3.构成：be+V-ing现在进行时的含义与构成现在进行时的判断：（1）一般句中用到“在现在”的时间状语时，如：now，rightnow，atthemoment或It’s+几点钟句型，常判断用现在进行时。Let’sgofast.Mr.Wuiswaitingforusnow.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。Eg:Keepquiet!Theteachersaretalkingintheoffice.(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.(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.———WhereisTom?———Heisrunningontheplayground.（5）.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.Heisrunning.Sheisdancing.Itisjumping.Theyarerunning.2.否定句：直接在be后加not.如：Iamwriting.Iamnotwriting.现在进行时的句式1.肯定句:主语+be+v-ing+其它.如:Iamreadingabook.Heisn’tstanding.Sheisn’trunning.Itisn’tsinging.Theyaren’teating.3.一般疑问句及回答:注意：第一人称要变第二人称问句：有be，直接把be提前。肯定回答:Yes,主语+be否定回答:No,主语+be+not-----—I’mdrawing.-----Areyoudrawing?-----Yes,Iam./No,I’mnot.Heisplayingbasketball.Isheplayingbasketball?Yes,heis./No,heisn’t.结构:be+doing(be要根据主语作人称和数的变化)句型转换1.肯定句否定句,要在be后加not构成eg:WearereadingEnglishnow.WearenotreadingEnglishnow.2.陈述句一般疑问句,把be动词提到句首eg:Thestudentisdrinking.Isthestudentdrinking?3.陈述句特殊疑问句,由“疑问词+一般疑问句”构成eg:Heisworking.Whatishedoing?Thepresentcontinuoustense现在进行时基本用法1.表示现在正在进行的动作和发生的事eg:---Whatareyoudoing?---Iamreadingabook.2.有时表示现阶段正发生的事,但此刻动作不一正在进行eg:Heisteachingattheschool.WearelearningUnit5thesedays.3.现在进行时的句子中常有now,或在句首常出现Look!Listen!等提示词eg:Listen!Dannyissingingintheroom.Heisdoinghishomeworknow.Whatistheboydoing？Heissinging.---Isthewomanwriting?----No,sheisn’t.Sheisreadingabook.----What’retheydoing?----They’reswimming.----Aretheyswimming?----Yes,theyare.---Aretheysinging?---No,theyaren’t.Theyaren’tsinging.Theyaredancing.Arethey____abook?No,they____.____arethey_______?They’re_____.readingaren’tWhatdoingwritingIsthegirl______(get)up?No,she______.What___she______?She_________.gettingisn’tisdoingissleeping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.isrunningarehavingIscleaningisplayingaresinging汉译英1.我们正在看电视.2.他们正在打扫教室.3.汤姆正在吃早饭.4.那对双胞胎正在睡觉.WearewatchingTV.Theyarecleaningtheclassroom.Tomishavingbreakfast.Thetwinsaresleeping.5.男孩子们正在踢足球.6.她正在铺床.7.我正在玩电脑游戏.8.你们正在听磁带吗?Theboysareplayingsoccer.Sheismakingthebed.Iamplayingcomputergames.Areyoulisteningtothetape?二.选择填空.1.Mymotheris_____TV.A.lookingatB.seeingC.readingD.watching2.---____you____abook?---Yes,Iam.A.Do,readB.Are,readC.Are,readingD.Are,looking3.Kate_____,theothers_____.A.sing,listenB.issinging,islisteningC.sing,arelisteningD.issinging,arelistening4.I___myeraser,butIcan’t______it.A.lookfor,findingB.amfinding,lookforC.amlookingfor,findD.find,lookfor三.句型转换1.Iamwateringtheflowers.(否定句)2.She’sjumpingnow.(一般疑问句)3.Theboysareplayingcards.(划线提问)4.Heisdoinghishomework.(复数句)Iamnotwateringtheflowers.Isshejumpingnow?Whataretheboysdoing?Theyaredoingtheirhomework.1、我的妈妈正在做早饭。Mymotherismakingbreakfast.2、我正要和我的朋友去看电影。Iamgoingtomovieswithmyfriend.3、他正在弹吉他吗？Isheplayingtheguitar?4、她不在拉小提琴。Sheisn’tplayingtheviolin.5、她们在干什么？正在打篮球。Whataretheydoing?Theyareplayingbasketball.6、Lucy和Mary正在打排球。LucyandMaryareplayingvolleyball.选择适当的动词,用动词的适当形式填空watchhavetalktakecomecomb梳playgetsaylisten1.Lilysays”I_____threemarkersandmysister____one”2.Iwantto_______totheradioafterlunch.3.She______herhairinthemorningaftershe____up.4.MissZhangis________onthecomputerwithJenny.5.I_______milkandbreadformybreakfasteveryday.havehaslistencombsgetsplayinghave6.LiMingis________onthephonewithhisfriend.Hisfather______“Doyourhomework!”7.Myuncleis_______ashower.Hewill______to______afilmaftersupper.按要求完成下列句子Iamhavingabirthdayparty.________________________(一般现在时)____________________________tonight(一般将来时)talkingsaystakingcomewatchIhaveabirthdayparty.Iwillhaveabirthdayparty.2.Shesingsasongintheroom.___________________________now(现在进行时)_________________________ton