八年级英语下册语法汇总

八年级英语下册语法汇总

EighthGradeEnglishGrammarSummaryKeyGrammar1ApplicationofSimpleFutureTenseThesimplefuturetenseofdo/does:(shall/will)doPassivevoiceofthesimplefuturetenseofdo/does:(shall/will)bedoneFormsofaffirmative,negative,andinterrogativesentencesinsimplefuturetense:Affirmativesentenceexample:Peoplewillhaverobotsinafewyears.Negativesentenceexample:People(willnot/won't)haverobotsinafewyears.Generalinterrogativesentenceexample:Willpeoplehaverobotsinafewyears?Specialinterrogativesentenceexample:Whatwillpeoplehaveinafewyears?KeyGrammar2FutureinthePastTense1.Structureofthefutureinthepasttenseshould/would+verbThepastfuturetenseofdo/does:(should/would)doPassivevoiceofthepastfuturetenseofdo/does:(should/would)bedoneFormsofaffirmative,negative,andinterrogativesentencesinfutureinthepasttense:Affirmativesentenceexample:Youshouldwritealettertohim.Negativesentenceexample:Youshouldn'twritealettertohim.Generalinterrogativesentenceexample:ShouldIwritealettertohim?Specialinterrogativesentenceexample:WhatshouldIdo?KeyGrammar3PastProgressiveTenseThepastprogressivetenseofdo/does:(was/were)doingPassivevoiceofthepastprogressivetenseofdo/does:(was/were)beingdoneFormsofaffirmative,negative,andinterrogativesentencesinpastprogressivetense:Affirmativesentenceexample:IwaswalkingdownthestreetwhenaUFOlanded.Negativesentenceexample:Iwasn'twalkingdownthestreetwhenaUFOlanded.Generalinterrogativesentenceexample:WereyouwalkingdownthestreetwhenaUFOlanded?Specialinterrogativesentenceexample:WhatwereyoudoingwhenaUFOlanded?Choiceof"when"and"while"verbs:Use"when"forinstantverbsand"while"forcontinuousverbs.1.Iamastudent.Iliketoreadbooks.Ireadbookseveryday.MyfavoritebookisHarryPotter.Ihavereaditmanytimes.=Asastudent,Ienjoyreadingbooks,especiallymyfavoritebook,HarryPotter,whichIhavereadmanytimes.2.Yesterday,Iwenttothepark.Isawmanypeoplethere.Somewereplayinggames,somewerewalkingtheirdogs,andsomewerehavingpicnics.=Ivisitedtheparkyesterdayandobservedvariousactivities,suchaspeopleplayinggames,walkingtheirdogs,andhavingpicnics.3.Theteachertoldusthatweneedtostudyhardfortheexam.Shesaidthatitisimportanttoreviewallthematerialsandaskquestionsifwedon'tunderstand.=Ourteacheremphasizedtheimportanceofstudyinghardfortheexamandadvisedustoreviewallthematerialsthoroughlyandaskquestionsifwehaveanydoubts.4.MyfriendandIwenttothemallyesterday.Weboughtsomeclothesandshoes.Thenwehadlunchatthefoodcourt.=Yesterday,myfriendandIwentshoppingatthemall,wherewepurchasednewclothesandshoesbeforeenjoyingamealatthefoodcourt.5.IfyouwanttoimproveyourEnglish,youneedtopracticespeakingandlisteningeveryday.ItisalsohelpfultowatchEnglishmoviesandTVshows.=ToenhanceyourEnglishskills,dailypracticeofspeakingandlisteningisessential,alongwithwatchingEnglishmoviesandTVshowsforaddedsupport.现在完成进行时态的应用场合有两种：一是某事从过去发生一直持续到现在都在进行；二是过去发生的动作对现在有影响。例如，自从他与我谈过心后，我一直在进步。现在完成进行时态的肯定句、否定句和疑问句形式如下：肯定句例句为“Ihavebeenskatingforfivehours.”，否定句例句为“Ihaven'tbeenskatingforfivehours.”，一般疑问句例句为“Haveyoubeenskatingforfivehours？”特殊疑问句例句为“Howlonghaveyoubeenskating？”现在完成时态的结构为主语+have/has+过去分词+其他。当主语是第三人称单数时用has，其余人称用have。否定式为主语+haven't/hasn't+过去分词+其他。疑问式为Have/Has+主语+过去分词+其他？简略答语为“Yes，主语+have/has.”（肯定）或“No，主语+haven't/hasn't.”（否定）现在完成时态的用法有三种：一是表示过去发生的动作或事情对现在的影响或产生的结果，例如“他的钱包丢了。”；二是表示一个从过去某个时间开始，延续到现在，并可能延续下去的动作，例如“他在这里工作已有20多年了。”；三是表示说话前发生过一次或多