一般现在时态一、定义与讲解一般现在时：表示经常性的事情，经常性的动作或一般性事实。时间状语：often经常，usually通常，always总是，every每个，sometimes有时，at⋯在几点钟只有在第三人称单数用动词的“三单变化”，其他用动词的原形。三单变化：1.多数在动词后+splay—playslike—likes(1)直接在动词词尾加-s.ask---askswork---worksget---getsstay---stays(2)以字母s,x,ch,sh或o结尾的动词，在词尾直接加-es.watch---watcheswish---wishesfix---fixesdo---doesgo---goespass---passes(3)以“辅音字母加-y”结尾的动词，要先变y为i再加-es.try---triesstudy---studiescry---criesfly---flies2.不规则变化：be----isarehave----has主语是第三人称的情况有1、人称代词是和，she,it的时候谓语动词用单三形式HelikeswatchingTV。2、单个人名，地名或者称呼做主语的时候谓语动词用单三形式Lucylikesapples.BeijingisinChina.UncleWangoftendrinksmilk.3、单数可数名词或者this/that+单数名词作主语时谓语动词用单三形式Thisbookisyours.4、不定代词someone,somebodynobody,everything,something等以及指示代词this和that做主语的时候谓语动词用单三形式Everyoneishere。Thisisapen.5、不可数名词做主语的时候谓语动词用单三形式Themilkisintheglass。Thebreadisverysmall。6、当数字和字幕做主语的时候谓语动词用单三形式“6”isaluckynumber.“I”isaletter.二、一般现在时用法1.表示经常性，习惯性,永久性的动作或存在的状态.通常与副词sometimes,often,usually,always,everyday(year,month),once(twice,threetimes)aday,等时间状语连用。Theyusuallygotoschoolbybike.Itakethemedicinethreetimesaday.Shehelpshermotheronceaweek.Mary’sfatherisapoliceman.Thereare50studentsinmyclass.2.表示客观真理，科学原理，自然现象，等客观事实或格言，谚语等。Thesunrisesintheeastandsetsinthewesteveryday.ThemanwhohasneverbeentotheGreatWallisnotarealman.TomorrowisTuesday.三、一般现在时的句子转换：(1)当句子中有be动词或情态动词时，则把be动词或情态动词(can,could等等)提到主语的前面变成疑问句;在be动词或情态动词后面加not变成否定句.例：①陈述句：Sheisastudent.疑问句→Issheastudent?否定句→Sheisnotastudent.②陈述句：Icanswim.疑问句→Canyouswim否定句→Icannotswim.(2)当句子中即没有be动词，也没有情态动词时，则在主语前加助动词do(you,以及复数),does(单数she,he,it)变成问句;在主语后谓语动词前加助动词don’t(I,you,以及复数),doesn’t(单数she,he,it)变成否定句，助动词后的动词要变成动词原形。例：①陈述句：Wegetupat7:00everymorning.疑问句→Doyougetupat7:00everymorning?否定句→Wedon’tgetupat7:00everymorning.②陈述句：Shehasalittlebrother.疑问句→Doesshehavealittlebrother?否定句→Shedoesn’thavealittlebrother1.Weoften______(play)intheplaygound.2.He_____(get)upatsixo’clock.3._____you______(brush)yourteetheverymorning.4.What(do)______heusually(do)______afterschool?5.Danny_____(study)English,Chinese,Maths,ScienceandArtanschool.6.Mikesometimes________(go)totheparkwithhissister.7.Ateightatnight,she__________(watch)TVwithhisparents.8.________Mike________(read)Englisheveryday?9.Howmanylessons_________yourclassmate________(have)onMonday?10.Whattime_________hismother_________(do)thehousework?改句子1.Doyouoftenplayfootballafterschool?(肯定回答)2.Ihavemanybooks.（改为否定句）3.GaoShan’ssisterlikesplayingtabletennis（改为否定句）4.ShelivesinasmalltownnearNewYork.（改为一般疑问句）5.IwatchTVeveryday.（改为一般疑问句）6.Davidhasgotagoal.（改为一般疑问句）7.Wehavefourlessons.（否定句）8.Nancydoesn’trunfast（肯定句）9.Mydogrunsfast.否定句：一般疑问句：10.Mikehastwolettersforhim.一般疑问句：否定句：11.IusuallyplayfootballonFridayafternoon.否定句:一般疑问句:划线提问12.SuYangusuallywashessomeclothesonSaturday.否定句:一般疑问句:划线提问:13.Mingmingusuallywaterstheflowerseveryday否定句:般疑问句:划线提问14.Tomdoeshishomeworkathome.否定句:一般疑问句:划线提问
