一般过去时现在进行时一般现在时时态讲解、练习ppt课件

.,1,小学英语语法讲解,小学英语语法讲解,.,2,一般过去时,.,3,1一般过去时表示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用。一般过去时也表示过去经常或反复发生的动作。,.,4,2Be动词在一般过去时中的变化：am和is在一般过去时中变为was。（wasnot=wasnt）are在一般过去时中变为were。（werenot=werent）,.,5,3句中没有be动词的一般过去时的句子否定句：didnt动词原形，如：Jimdidntgohomeyesterday.,.,6,动词过去式变化规则：1一般在动词末尾加-ed，如：work-worked;cook-cooked2结尾是e加d，如：live-lived;like-liked;taste-tasted,.,7,3末尾只有一个元音字母和一个辅音字母的重读闭音节，应双写末尾的辅音字母，再加-ed，如：stop-stopped4以“辅音字母y”结尾的,变y为i，再加-ed，如：study-studied,.,8,5不规则动词过去式：am,is-was,are-were,do-did,see-saw,say-said,give-gave,get-got,go-went,come-came,have-had,eat-ate,take-took,run-ran,sing-sang,put-put,make-made,read-read,write-wrote,draw-drew,drink-drank,swim-swam,sit-sat,sweep-swept,.,9,写出下列动词的过去式is/am_plant_are_drink_play_go_make_,was,planted,were,drank,played,went,made,.,10,does_dance_worry_ask_taste_eat_put_kick_pass_do_,did,danced,worried,asked,tasted,ate,put,kicked,passed,did,.,11,一、用be动词的适当形式填空1.I_anEnglishteachernow.2.She_happyyesterday.3.They_gladtoseeeachotherlastmonth.,am,was,were,.,12,1.I_(watch)acartoononSaturday.2.Herfather_(read)anewspaperlastnight.3.We_tozooyesterday,we_tothepark.(go)4._you_(visit)yourrelativeslastSpringFestival?5._he_(fly)akiteonSunday?Yes,he_.,watched,read,went,went,Did,visit,Did,fly,did,.,13,6.GaoShan_(pull)upcarrotslastNationalDayholiday.7.I_(sweep)theflooryesterday,butmymother_.8.What_she_(find)inthegardenlastmorning?She_(find)abeautifulbutterfly.,pulled,swept,didnt,did,find,found,.,14,一般过去时句型转换的注意点:1、一般过去时的否定式是由主语didnt+动词原形组成。如Iwenttoschoolyesterday.(改成否定句)2、一般过去时的疑问句是由Did+主语动词原形构成。如Sheplayedvolleyballjustnow._3、特殊疑问句由疑问词did+主语动词原形组成。如：TheyvisitedthefarmlastSunday.(对划线部分提问)_,Ididntgotoschoolyesterday.,Didsheplayvolleyballjustnow.,Wheredidtheyvisitthefarm?,.,15,现在进行时,.,16,三、现在进行时1现在进行时表示现在正在进行或发生的动作，也可表示当前一段时间内的活动或现阶段正在进行的动作。Heislookingforhiscamera.(他正寻找照相机)2现在进行时的肯定句基本结构为be+动词ing.如：Look,theyarewateringtheflowersnow.3现在进行时的否定句在be后加not。Theboyisnotpickingupthecarrots.4现在进行时的一般疑问句把be动词调到句首。Istheboypickingupthecarrots?,be,动词ing,+,.,17,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假如末尾是一个元音字母和一个辅音字母，双写末尾的辅音字母，再加ing，如：run-running,stop-stopping,.,18,一、写出下列动词的现在分词：play_run_swim_make_go_like_write_ski_read_have_sing_dance_,playing,running,swimming,making,going,liking,writing,skiing,reading,having,singing,dancing,.,19,二、用所给的动词的正确形式填空：1.Theboy_(draw)apicturenow.2.Listen.Somegirls_(sing)intheclassroom.3.Look,mymother_(cook)somenicefoodnow.4.What_you_(do)now?,isdrawing,aresinging,iscooking,are,doing,.,20,三、句型转换1、TomcanspeakChinese.(改为现在进行时)2、Sheisworkinginahospitalnow.(对划线部分提问)3、Wearecollectingeggsonthefarm.（1）对划线部分提问：（2）变成否定句：（3）变成一般疑问句：,TomisspeakingChinese.,Whoisworkinginahospitalnow?,Whereareyoucollectingeggs?,Wearenotcollectingeggsonthefarm.,Areyoucollectingeggsonthefarm?,.,21,一般现在时,.,22,一般现在时的功能：1.表示事物或人物的特征、状态。如：Theskyisblue.天空是蓝色的。2.表示经常性或习惯性的动作。如：Igetupatsixeveryday.我天天六点起床。3.表示客观现实。如：Theearthgoesaroundthesun.地球绕着太阳转。,.,23,一般现在时的构成：1.be动词：主语+be(am,is,are)其它。如：Iamaboy.我是一个男孩。2.行为动词：主语行为动词其它。如：WestudyEnglish.我们学习英语。当主语为第三人称单数(he,she,it)时，要在动词后加-s或-es。如：MarylikesChinese.玛丽喜欢汉语。,.,24,一般现在时的变化：1.be动词的变化。否定句：主语benot其它。如：Heisnotaworker.他不是工人。一般疑问句：Be主语其它。如：-Areyouastudent?你是一名学生吗？-Yes.Iam./No,Imnot.是的，我是的/不，我不是。,.,25,2.行为动词的变化。否定句：主语+dont(doesnt)动词原形(其它)。如：Idontlikebread.当主语为第三人称单数时，要用doesnt构成否定句。如：Hedoesntoftenplay.一般疑问句：Do(Does)+主语+动词原形+其它。如：-Doyouoftenplayfootball?-Yes,Ido./No,Idont.,.,26,当主语为第三人称单数时，要用does构成一般疑问句。如：-Doesshegotoworkbybike?-Yes,shedoes./No,shedoesnt.,.,27,动词s的变化规则：1一般情况下，直接加-s，如：cook-cooks,milk-milks2以s.x.sh.ch.o结尾，加-es，如：guess-guesses,wash-washes,watch-watches,go-goes3以“辅音字母y”结尾，变y为i,再加-es，如：study-studies,.,28,一、写出下列动词的第三人称单数drink_go_stay_make_look_have_pass_carry_come_watch_plant_fly_,drinks,goes,stays,makes,looks,has,passes,carries,comes,watches,plants,flies,.,29,二、用括号内动词的适当形式填空1.Heoften_(have)dinnerathome.2.DanielandTommy_(be)inClassOne.3.We_(notwatch)TVonMondays.4.Nick_(notgo)tothezooonSundays.5._they_(like)theWorldCup?,has,are,dontwatch,doesntgo,Does,like,.,30,6.Mike_(like)cooking.7.They_(have)thesamehobby.8.Myaunt_(look)afterherbabycarefully.9.Youalways_(do)yourhomeworkwell.10.She_(go)toschoolfromMondaytoFriday.11.LiuTao_(do)notlikePE.,likes,have,looks,do,goes,does,.,31,一、按照要求写句子。1、Immakingamodelplaneinthepark.（对划线部分提问）Ihepark.（对划线部分提问）Immakingamodelplaneinthepark.（对划线部分提问）Immakingamodelplaneinthepark.（对划线部分提问）,Whatareyoumakinginthepark?,Whatareyoudoinginthepark?,Whoismakingamodelplaneinthepark?,Whereareyoumakingamodelplane?,.,32,2、Johnissleeping.改为一般疑问句，并作肯定回答改为否定句.,IsJohnsleeping?No,sheisnt.,Johnisnotsleeping.,.,33,二、对划线部分提问1、SheoftenmakespuppetintheparkonSundays.2、SheoftenmakespuppetintheparkonSundays.3、SheoftenmakespuppetintheparkonSundays.4、SheoftenmakespuppetintheparkonSundays.5、SheoftenmakespuppetintheparkonSundays.6、SheoftenmakespuppetintheparkonSundays.(变成一般疑问句，并作否定回答),WhatdoessheoftenmakesintheparkonSundays?,WheredoesshemakespuppetonSundays?,WhooftenmakespuppetintheparkonSundays?,WhatdoessheoftendointheparkonSundays?,Whendoessheoftenmakespuppetinthepark?,DoessheoftenmakespuppetintheparkonSundays?No,shedoesnt.,.,34,三、对划线部分提问：1、Theyplantedtreesinthegardenyesterday.2、Theyplantedtreesinthegardenyesterday.3、Theyplantedtreesinthegardenyesterday.4、Theyplantedtreesinthegardenyesterday.5、Theyplantedtreesinthegardenyesterd