初中英语语法大全ppt

RevisionofJuniorEnglish初三英语复习AdjectivesandAdverbs形容词、副词区别几组易混淆的副词、形容词★already常用于肯定句、个别疑问句yet常用于否定句、疑问句*Thetrainhasalreadygone.*Theyhaven’tcomebackyet.★such修饰名词so修饰形容词、副词*Ihaveneverseensuchaninterestingfilm.*ThisboxissoheavythatIcan’tcarryit.★alone(单独、独自)作表语=byoneselflonely(孤独的)可作表语、定语*Helivedalone,buthedidn’tfeellonely.*It’salonelyvillage.★hard(努力地)hardly(几乎不)否定副词*Sheworksveryhard,andhehardlyhasarestonSundays.TheComparative&SuperlativeDegreesofAdjectives&Adverbs规则变化单音节词和少数双音节词1)一般情况加–er或–estfast–faster–fastesthigh–higher–highestclever–cleverer–cleverest规则变化单音节词和少数双音节词2)以字母e结尾加–r或–stfine–finer–finestlate–later–latestnice–nicer–nicest规则变化单音节词和少数双音节词3)重读闭音节、末尾只有一个辅音字母时双写加–er或–estfat–fatter–fattestbig–bigger–biggestthin–thinner–thinnest规则变化单音节词和少数双音节词4)以辅音字母加y结尾变y为i加–er或–estearly–earlier–earliesteasy–easier–easiestlucky–luckier–luckiest规则变化部分双音节和多音节词在词前加more或mostslowly-moreslowly-mostslowlyeasily-moreeasily-mosteasilycarefully-morecarefully-mostcarefully不规则变化good/well–better–bestmany/much–more–mostlittle–less–leastfar–farther–farthest(far–further–furthest)bad/badly/ill–worse–worst1)表示两者（人或事物）的比较时用比较级，通常用连词than引导，表示“较······”或“更······一些”的意思*Thiscakeismoredeliciousthanthatone.*LiLeijumpedfartherthanJim(did).2)表示三者或三者以上（人或事物）的比较用最高级，最高级的前面一般要加定冠词the，后面可带of（in,among）短语来说明比较的范围*ShanghaiisthebiggestcityinChina.*Lucysings(the)bestofall.*Heisthemostcarefulamongus.3)在表示“和······一样······”和“不及······”这类概念时，可以用“as+原级+as”和“notas（so）+原级+as”的句型*Ourteacherisasbusyasbefore.*Hedoesnotrunso(as)fastasI.4)可用much,still,alittle,even,far,threeyears等表示程度的状语来修饰比较级*SheismuchtallerthanMrs.Liu.*HeisthreeyearsolderthanI.*Thisproblemisalittlemoredifficultthantheotherone.5)几种比较级的使用句型1.“比较级+and+比较级”表示“越来越······”*YourEnglishisgettingbetterandbetter.你的英语越来越好了。*ThesedaysmoreandmorepeoplearelearningEnglish.现在学英语的人越来越多了。2.“the+比较级，the+比较级”表示“越······就越······”*Themore,thebetter.越多越好。*Thebusierheis,thehappierhefeels.他越忙越高兴。3.“more(less)than”表示“不止，不到”*Sheismorethanthirty.她三十多岁了。*Thelightestweighslessthan50kilograms.最轻的不到五十公斤。4.“moreorless”表示“差不多，或多或少”*Theproblemismoreorlesssolved.这个问题差不多已经解决了。*Isitstraight?–Moreorless.它直吗？–差不多吧。6)注意点1.形容词最高级前一定要用the，副词最高级前可省略2.在比较级中为了避免重复，在the后常用one，that，those等词来替代前面提到过的名词*Thispenisshorterthanthatone.*TheweatherhereiswarmerthanthatofShanghai.3.用or连接两项需作比较的内容时，须用比较级；若or连接三项或三项以上的内容时，则须用最高级*Whoistaller,MaryorJane?*Whichisbiggest,thesun,themoonortheearth?7)掌握几种同义句转换1.Heistallerthananyotherstudentinhisclass.=Heistallerthantheotherstudentsinhisclass.=Heistallerthananyoftheotherstudentsinhisclass.=Heisthetallest(student)inhisclass.3.IprefermathstoEnglish.=IlikemathsbetterthanEnglish.4.Theboxistooheavyforhimtocarry.=Theboxissoheavythathecan’tcarryit.=Theboxisnotlightenoughforhimtocarry.Exercises选择()1Whogetshomeusually____inyourfamily?A.thelatestB.laterC.earlyD.aslate()2Themorewelookedatthepicture,____.A.welikeitlessB.thelesswelikeditC.betterwelikeditD.itlookedbetter()3Whatapity.Lucyran____thanLily.A.afewmoreslowlyB.alittlemoreslowlyC.muchmoreslowlyD.littleslowlierABB()4Don’tworry.Yourbabyislookedafter____here,thenursearevery____.A.careful,carefullyB.carefully,carefulC.care,carelessD.careless,care()5Theideabecame____.Hewantedtotry____.A.strangly,itoutB.strangly,outitC.strange,itoutD.strange,outit()6Beijingis____biggestcitiesinChina.A.thefirstB.oneofC.thesecondD.secondBCC用词的适当形式填空1Heworksvery__________.He__________hasarestonSunday.(hard)2__________,hedidn’tfailintheexam.(luck)3Hewasso__________thathecouldn’tbelievethis__________news.(surprise)4Hewon’tdoit.Iwon’tdoit,__________.(too)hardhardlyLuckilysurprisedsurprisingeither5Mr.Greenisfeeling__________enoughtogotowork.(good)6Theoldmanlooksvery_______________thanyouthink.(friend)7Thisboxisnotso______asthatone.(heavy)8Lucyjumped__________ofthefour.(high)wellmorefriendlyheavyhighestPronouns代词代词的分类人称代词PersonalPronouns物主代词PossessivePronouns反身代词SelfPronouns不定代词IndefinitePronouns指示代词DemonstrativePronouns疑问代词InterrogativePronouns人称代词PersonalPronouns数单数复数人称一二三一二三主格Iyouhesheitweyouthey宾格meyouhimheritusyourthem1.人称代词作主语时用主格，作宾语时用宾格*Theyalllikehimverymuch.他们都很喜欢他。*Shegavethebookstoyouandme.这些书是她送给你和我的。2.人称代词在作表语时，用宾格*Who’sknockingatthedoor?–It’sme.谁敲门？-是我。3.人称代词在并列使用时的顺序为“第二人称，第三人称，第一人称”*You,sheandIallenjoythemusic.你我她都喜欢音乐。4.she可以用来代表国家、船只、大地、月亮等*Weloveourmotherland,wehopeshe’llbestrongerandbigger.我们热爱我们的祖国,我们希望她更强大。*Theshipisleaving.She’sonherfirsttriptoBoston.轮船要起航了。这是她第一次去波士顿。5.it作为人称代词时，可以表示天气、距离、时间、环境等*What’theweatherliketoday?–It’swindy.今天的天气怎么样？-有风。*It’saboutfiveminutes’walkfromhometoschool.从家到学校的路程大约5分钟。6.it可作为形式主语，将不定式、动名词等构成的主语后移，使句子显得平稳*It’shardtoreachtheapples.很难够到苹果。*It’sgoodforyoutakingawalkaftersupper.对你来说饭后散步是有好处的。物主代词PossessivePronouns形容词性名词性mymineyouryourshishisherhersitsitsouroursyouryourstheirtheirs1.形容词性物主代词在句中只能作定语*Mybrotherisaworker.我弟弟是个工人。*Hisparentsareveryfriendly.他的父母非常友善。2.名词性物主代词在句中可作表语、主语和宾语*Whosedictionaryisthis?–It’smine.这字典是谁的？-我的。*Ourroomisbigandtheirsissmall.我们的房间大，他们的房间小。*Youmayusemypen.I’llusehers.你可以用我的笔，我用他的好了。3.形容词性物主代词和名词性物主代词的关系：形容词性物主代词+名词=名词性物主代词注意：