2018小升初英语总复习第四章动词和时态第二节一般现在时ppt课件

第四章动词和时态,第二节一般现在时,知识梳理,一、一般现在时的用法一般现在时表示经常性、规律性或习惯性的动作或状态。含有always,often,usually,sometimes,seldom,never,every+时间词等时间状语的句子要用一般现在时。如果句子中的主语是第一、第二人称或其他复数形式的名词，动词用原形；如果主语是第三人称单数形式或其他表示单数概念的名词，动词用第三人称单数形式。如：Wefinishourhomeworkontimeathomeeveryday.Healwaysgoestoschoolatabout7:00inthemorning.,二、动词第三人称单数形式的变化规则1.一般情况下，直接在动词词尾加s。如：readreads,playplays2.以s,x,o,sh,ch结尾的动词，在词尾加es。如：gogoes，washwashes3.以辅音字母加y结尾的动词，把y改为i再加es。如：studystudies，flyflies4.特殊形式：havehas，beis,三、一般现在时的句型结构1.含有be动词的句子(1)肯定句：主语+be动词+其他.如：Im14yearsoldthisyear.(2)否定句：主语+be动词+not+其他.如：IamnotinGrade4thisyear.(3)一般疑问句：Be+主语+其他？如：AreyoufromAmerica?,2.含有第三人称单数形式实义动词的句子(1)肯定句：主语+实义动词的三单形式+其他.如：MikeplayscomputergameseverySaturdayafternoon.(2)否定句：主语+doesnot(doesnt)+实义动词（原形）+其他.如：MikedoesntplaycomputergameseverySaturdayafternoon.(3)一般疑问句：Does+主语+实义动词（原形）+其他？如：DoesMikeplaycomputergameseverySaturdayafternoon?,3.含有原形实义动词的句子(1)肯定句：主语+实义动词（原形）+其他.如：WestudyinNo.1PrimarySchool.(2)否定句：主语+donot(dont)+实义动词（原形）+其他.如：Wedonot(dont)studyinNo.1PrimarySchool.(3)一般疑问句：Do+主语+实义动词（原形）+其他？如：DoyoustudyinNo.1PrimarySchool?,考点精析,考点1考查一般现在时的动词形式【例1】用所给动词的适当形式填空。1.He_(get)upat7oclockeveryday.2.Whattime_he_hishomework?(do)3.Thesun_(go)downtothewest.,解析:本题考查正确填写动词的形式。在做这类题的时候，要先判断句子的时态。第1、2小题分别体现经常性和习惯性，应该用一般现在时，而he是第三人称，故动词要用三单形式，助动词用does;第3小题太阳西下是自然规律，用一般现在时。答案：1.gets2.does；do3.goes,举一反三1.写出下列动词的第三人称单数形式。(1)become_(2)shine_(3)fly_(4)teach_(5)study_(6)have_2.用所给单词的适当形式填空。(1)Heoften_(have)dinnerathome.(2)Theboyalways_(teach)hissistermathsafterdinner.(3)We_(notwatch)TVonMondays.(4)Mikeandhisfathersometimes_(read)newspaperstogether.(5)Jack_(notride)abiketoschoolonFridays.,becomes,shines,flies,teaches,studies,has,has,teaches,dontwatch,read,doesntride,考点2考查有关一般现在时句子的句型转换【例2】按要求改写下列句子。1.LucyandLilyusuallygohometogether.(改为否定句)_2.MikeoftenreadsEnglishinthemorning.(改为一般疑问句)_3Wegoswimminginsummer.(就画线部分提问)_,解析:本题三个句子都是一般现在时，在变否定句或一般疑问句的时候，我们要考虑借助助动词do或does。第1小题主语LucyandLily是复数名词，否定句加dont,要注意的是usually在否定句中要置于助动词之后，实义动词之前，或者也可以用否定词never来整句改写；第2小题Mike是第三人称的主语，要用Does开头，其后的动词要用原形；第3小题中的goswimming是动词词组，也就是“做什么”的问题，用“Whatdo”的形式提问,同时注意we要改成you。答案：1.LucyandLilydontusuallygohometogether./LucyandLilynevergohometogether.2DoesMikeoftenreadEnglishinthemorning?3.Whatdoyoudoinsummer?,举一反三按要求改写下列句子。1.Doyoulikeplayingbasketball?(作肯定回答)_2.Mybrotherhasmanybooks.(改为否定句)_3.Helivesinthevillagenearthemountain.(改为一般疑问句)_4.NancycomesfromtheUSA.(就画线部分提问)_,Yes，Ido.,WheredoesNancycomefrom？,Doesheliveinthevillagenearthemountain？,Mybrotherdoesnthavemanybooks.,过关检测,一、写出下列动词的第三人称单数形式。1.sit_2.swim_3.go_4.make_5.run_6.write_7.cry_8.study_9.watch_10.wash_11.say_12.play_,sits,swims,goes,makes,runs,writes,cries,studies,watches,washes,says,plays,二、单项填空。()1.He_toschoolfromMondaytoFriday.A.goB.goesC.going()2.Theearth_aroundthesun.A.movingB.movesC.moved()3.MissLi_music.A.teachesourB.teachesusC.teachour()4._Linda_backatseveneveryday?A.Is；comingB.Does；comesC.Does；come,B,B,B,C,()5.Lilydoesnt_amusiclessonintheafternoon.A.haveB.hasC.having()6.BothTonyandPeter_inClassOne.A.isB.doC.are()7.What_yourmotheroften_onSundays?A.is;doingB.does;doC.do;does()8.I_applesandshe_pears.A.like;likeB.like;likesC.likes;likes,A,C,B,B,三、用所给单词的适当形式填空。1.Myfather_(be)athometoday.2.JaneandJoe_(be)students.They_(be)intheparknow.3._(be)youabusdriver?4.Weoften_(play)ontheplayground.5.He_(get)upatsixoclockeveryday.6._(do)you_(brush)yourteetheverymorning?,is,are,are,Are,play,gets,Do,brush,7.What_heusually_afterschool?(do)8.Danny_(study)English,Chinese,maths,scienceandartatschool.9.Mikesometimes_(go)totheparkwithhissister.,does,do,studies,goes,10._(do)Mike_(read)Englisheveryday?11.Howmanylessons_(do)yourclassmates_(have)onMonday?12.Whattime_hismother_thehousework?(do),Does,read,do,have,does,do,四、按要求改写下列句子。1.Doyouoftenplayfootballafterschool?(作肯定回答)_2.Ihavesomebooks.(改为否定句)_3.Alicessisterlikesplayingtabletennis.(改为否定句)_,Yes,I/wedo.,Idonthaveanybooks.,Alicessisterdoesntlikeplayingtabletennis.,4.IwatchTVeveryday.(改为一般疑问句)_5.MyunclelivesinShanghainow.(改为一般疑问句)_6.Tomdoeshishomeworkathome.(改为否定句)_7.IusuallyplayfootballonFridayafternoons.(就画线部分提问)_,DoyouwatchTVeveryday?,DoesyouruncleliveinShanghainow?,Tomdoesntdohishomeworkathome.,Whatdoyou(usually)doonFridayafternoons?,五、根据答句写出问句。1._Icanwashtheclothes.2._Ioftencleantheroomathome.3._Yes,sheoftengoesshopp