一般过去时现在进行时一般现在时时态讲解、练习

小学英语语法讲解一般过去时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。2．Be动词在一般过去时中的变化：⑴am和is在一般过去时中变为was。（wasnot=wasn’t）⑵are在一般过去时中变为were。（werenot=weren’t）3．句中没有be动词的一般过去时的句子否定句：didn’t＋动词原形，如：Jimdidn’tgohomeyesterday.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-tasted3．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-studied5．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写出下列动词的过去式is/am_________plant________are________drink_________play_______go________make________wasplantedweredrankplayedwentmadedoes_________dance________worry________ask_____taste_________eat__________put______kick_________pass_______do________diddancedworriedaskedtastedateputkickedpasseddid一、用be动词的适当形式填空1.I______anEnglishteachernow.2.She_______happyyesterday.3.They_______gladtoseeeachotherlastmonth.amwaswere1.I______(watch)acartoononSaturday.2.Herfather_______(read)anewspaperlastnight.3.We_______tozooyesterday,we_____tothepark.(go)4.______you_______(visit)yourrelativeslastSpringFestival?5.______he_______(fly)akiteonSunday?Yes,he______.watchedreadwentwentDidvisitDidflydid6.GaoShan_______(pull)upcarrotslastNationalDayholiday.7.I____________(sweep)theflooryesterday,butmymother______.8.What______she_______(find)inthegardenlastmorning?She__________(find)abeautifulbutterfly.pulledsweptdidn’tdidfindfound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＋didn’t+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)____________________________________________Ididn’tgotoschoolyesterday.Didsheplayvolleyballjustnow.Wheredidtheyvisitthefarm?现在进行时三、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+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一、写出下列动词的现在分词：play________run__________swim_________make__________go_________like________write_________ski___________read________have_________sing________dance_________playingrunningswimmingmakinggoinglikingwritingskiingreadinghavingsingingdancing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?isdrawingaresingingiscookingaredoing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?一般现在时一般现在时的功能：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。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。一般现在时的变化：1.be动词的变化。否定句：主语be＋not＋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,I‘mnot.是的，我是的/不，我不是。2.行为动词的变化。否定句：主语+don‘t(doesn’t)＋动词原形＋(其它)。如：Idon'tlikebread.当主语为第三人称单数时，要用doesn't构成否定句。如：Hedoesn'toftenplay.一般疑问句：Do(Does)+主语+动词原形+其它。如：-Doyouoftenplayfootball?-Yes,Ido./No,Idon't.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,shedoesn't.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________drinksgoesstaysmakeslookshaspassescarriescomeswatchesplantsflies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?hasaredon’twatchdoesn’tgoDoeslike6.Mike_______(like)cooking.7.They_______(have)thesamehobby.8.Myaunt_______(look)afterherbabycarefully.9.Youalways_______(do)yourhomeworkwell.10.She_______(go)toschoolfromMondaytoFriday.11.LiuTao_______(do)notlikePE.likeshavelooksdogoesdoes一、按照要求写句子。1、I’mmakingamodelplaneinthepark.（对划线部分提问）I’mmakingamodelplane.inthepark.（对划线部分提问）I’mmakingamodelplaneinthepark.（对划线部分提问）I’mmakingamodelplaneinthepark.（对划线部分提问）Whatareyoumakinginthepark?Whatareyoudoinginthepark?Whoismakingamodelplaneinthepark?Whereareyoumakingamodelplane?2、Johnissleeping.改为一般疑问句，并作肯定回答改为否定句.IsJohnsleeping?No,sheisn’t.Johnisnotsleeping.二、