小学英语时态语法：现在进行时、一般现在时时态讲解

.,Grammar,.,现在进行时,.,一、现在进行时的定义：表示现在正在进行或发生的动作。（句中一般含有now,单独的look或listen出现在句首.）,二、它的结构：be+动词ing形式,三、动词加ing的变化规则1一般情况下，直接加ing，如：cook-cooking2以不发音的e结尾，去e加ing，如：make-making,taste-tasting3重读闭音节且只有一个辅音字母结尾的，应双写末尾的辅音字母，再加ing，如：run-running,stop-stopping,.,一、写出下列动词的现在分词：1play_2run_3swim_4make_5go_6get_7write_8sing_9read_10have_,Exercise1,playing,running,swimming,making,going,getting,writing,singing,reading,having,.,1、现在进行时的肯定句【主语+be(am,is,are)+现在分词+其它.】,3、现在进行时的一般疑问句把be动词调到句首【Be(am,is,are)+主语+现在分词+其它？】,Tomisnotreadingbooksinhisstudy.,IsTomreadingbooksinhisstudy？,句式：,如：Tomisreadingbooksinhisstudy.,2、现在进行时的否定句在be后加not。,如：Tomisreadingbooksinhisstudy.,如：Tomisreadingbooksinhisstudy.,.,4、现在进行时的特殊疑问的基本结构为：【疑问词+be(am,is,are)+主语+现在分词+其它？】,如：WhatisTomdoinginhisstudy?,WhereisTomreadingbooks?,.,Exercise2,一、用所给的动词的正确形式填空：1.Theboy_(draw)apicturenow.2.Listen.Somegirls_(sing)intheclassroom.3.Look!They_(run)ontheplayground.,二、句型转换：Theyaredoinghousework.(分别改成一般疑问句和否定句)一般疑问句：_they_housework?否定句：They_doinghousework.2.Thestudentsarecleaningtheclassroom.(改一般疑问句并作肯定和否定回答)一般疑问句：_thestudents_theclassroom?肯定回答：_,they_.否定回答：_,they_.,isdrawing,aresinging,arerunning,Are,doing,are,not,Are,cleaning,Yes,are,No,arent,.,3.Implayingthefootballintheplayground.(对划线部分进行提问)先改一般疑问句:_you_thefootballintheplayground?其次找疑问代词:划线问的是在操场上就选择疑问代词_再次把疑问代词放在的前面并去掉划线部分。_areyou_thefootball?4Tomisreadingbooksinhisstudy.(对划线部分进行提问)_isTom_inhisstudy?,Where,playing,What,doing,Are,playing,where,.,用所给动词的适当形式填空,1.He_(get)upatsixoclockeveryday.2._you_(brush)yourteetheverymorning?3.What_heusually_(do)afterschool?4._they_(read)Englisheveryday?,gets,Do,brush,does,Do,read,do,Exercise3,.,一般现在时,.,一、一般现在时的定义:一般现在时表示现在经常反复发生的动作、存在的状态或习惯性的动作的时态。,二、构成：一般现在时用行为动词的原形，但第三人称单数作主语时，动词的词尾要加-S。（一般的动词词尾+S。以sh/ch/s/x结尾的词+es.以辅音字母Y结尾的把Y变成i，+es。辅音字母o结尾的+es.),三、标志词（时间状语）：always,everyweek(day,year,month),sometimes,onSundays,uauslly,often,.,.,四、肯定句：1【主语（第三人称单数）+动词的第三人称复数+其它。】,如：TomwatchesTVonSundays.,2【主语（非第三人称单数）+动词原形+其它。】,如:JimandTomwatchTVonSundays.,五、否定句：,1【主语（第三人称单数）+doesnt+动词原形+其它。】,如：TomdoesntwatchTVonSundays.,2【主语（非第三人称单数）+dont+动词原形+其它。】,如:JimandTomdontwatchTVonSundays.,.,六、一般疑问句：,1【Does+主语(第三人称单数)+动词原形+其它？】,如：Doessheplaythepianoeveryday?,2【Do+主语(非第三人称单数)+动词原形+其它？】,如：Dotheyplaythepianoeveryday?,七、特殊疑问句：,1【疑问代词+does+主语(第三人称单数)+动词原形+其它？】,如：WhatdoesTomusuallydoeveryevening?,2【疑问代词+do+主语(非第三人称单数)+动词原形+其它？】,如：Whattimedotheygetupeverymorning?,.,改句子1.Doyouoftenplayfootballafterschool?(肯定回答)2.Ihavesomebooks.（改为否定句）I_books.3.GaoShanssisterlikesplayingtabletennis.（改为否定句）GaoShanssister_playingtabletennis.4.ShelivesinasmallvillagenearNewYork.（改为一般疑问句）_she_inasmallvillagenearNewYork?5.IwatchTVeveryday.（改为一般疑问句）_TVeveryday?6.Hegoestoschoolatseven.(对划线部分提问)_he_atseven?,Exercise4,Yes,wedo.,donthave,doesntlike,Does,live,Do,you,watch,any,What,does,do,.,1.Listen!Who_(read)English?HanMeimeiis.Sheoften_(read)Englishintheevening.2.Where_(be)TomandJim?They_(play)football._LinTao_(play)footballstoo?No,he_(draw)pictures.3.Where_theirfather_(work)?He_(work)onafarm.Butnowhe_(notwork).He_(stay)athome.4.Whattime_theshop_(close)?It_(close)atnineoclockintheevening.,isreading,reads,are,areplaying,Is,playing,isdrawing,does,work,works,isntworking,isstaying,does,close,closes,用一般现在时或现在进行时填空:,Exercise5,.,5.MissGuo_(teach)usChinesethisterm.She_(be)averygoodteacher.Sheoften_(talk)withusafterclass.Manyofuslike_(talk)withher.Now,she_(talk)withLily.,teaches,is,talks,talking,istalking,.,把一般现在时改写成现在进行时:1.Hethrowsafrisbee(飞盘)everyafternoon.He_afrisbee（飞盘）now.2.Myparentsoftenmakecakesforme.Myparents_cakesformenow.3.Theymustcleanthebedroomonceaweek.Look!They_thebedroom.4.ThestudentsreadEn