最新初中英语语法大全18672学习资料.ppt

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1、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,b

2、uthedidn’tfeellonely.*It’salonelyvillage.★hard(努力地)hardly(几乎不)否定副词*Sheworksveryhard,andhehardlyhasarestonSundays.TheComparative&SuperlativeDegreesofAdjectives&Adverbs形容词和副词比较级和最高级的构成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–cleve

3、rest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–easiestluck

4、y–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–worst形容词和

5、副词比较级和最高级的用法1)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.*Heist

6、hemostcarefulamongus.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.*Thisproblem

7、isalittlemoredifficultthantheotherone.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,thehappier

8、hefeels.他越忙越高兴。3.“more(less)than”表示“不止，不到”*Sheismorethanthirty.她三十多岁了。*Thelightestweighslessthan50kilog