形容词和副词的级

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1、形容词和副词的级：原级、比较级、最高级Grammar:ComparisonofAdjectives课文中出现的比较级It’sthreetimesasbigunderwater.Meetourlessenergeticbutmorefriendlypenguins.Theyarelesscolourfulthansomeotherfishbuttheymovebeautifully.Somefishcanproducesoundsalmosttwiceasloudasyourspeakingvoice!5.Youce

2、rtainlywon’tfindanoisierfish.6.Theyhaveahugemouthandcaneatfishasbigasthemselves.ExercisesBobneverdoeshishomework_____Mary.Hemakeslotsofmistakes.A.socarefulasB.ascarefullyasC.carefullyasD.ascarefulas2.Nowairinourtownis____thanitusedtobe.Somethingmustbedonetoitve

3、rygoodB.muchbetterC.ratherthanD.evenworseBD3.Ifeel__betterthanyesterday.A.moreB.veryC.theD.far4.Chinahasalargepopulationthan__intheworld.allthecountriesB.everycountryC.anycountryD.anyothercountryDD一、基础归纳1.原级比较：用as+adj./adv.+as…,thesame…as,such…as引导如：Mikeisastal

4、lasourPEteacher.否定形式：notas(so)+adj./adv.+as…;表示“不如……”Iamnotas(so)tallasMike;thatistosay,heistallerthanI.as+可数名词单数/不可数名词+as结构Idon’twantasexpensiveahouseasthis.Hetookasmuchcheeseasheneeded.“asmany/few+可数名词复数+as”或“asmuch/little(少的)+不可数名词+as”。1)Youmayborrowasmanybo

5、oksasyoucan.你能借多少书就借多少。2)“Drinkasmuchwaterasyoucan.”thedoctorsaidtohim.医生对他说道：“你要尽可能的多喝些水。”2.比较级(1)有关结构：the+比较级…the+比较级…表示“越……越……”---Doyouwantabigroom?---Yes,thebiggerthebetter.---Butthesmalleritis,thelessitwillcostus.比较级+and+比较级表示“越来越…”Theweatherisgettinghotte

6、randhotter.Hebecamemoreandmoreinterested.not+比较级+than“前者不如后者”Thisbookisnotmoreinterestingthanthatone.(=Thisbookislessinterestingthanthatone.)no+比较级+than，是对两个比较对象都进行否定，相当于“neither…nor…”意为“两者都不……JohnisnotallerthanTim.(=NeitherJohnnorTimistall.)nomorethan和notmoret

7、hannomorethan表示“仅仅，只有”，相当于only；而notmorethan表示“不多于”,相当于lessthanmorethan+数字，表示超过，相当于overmorethan还可表示不仅仅，不止Jasonismorethanateacher;heisawriter,too.more…than…表示“与其说……不如说”Heismoreluckythanclever.(与其说他聪明，还不如说他幸运.)Heismoreascholarthanateacher.(与其说他是位教师，不如说他是位学者。)否定+比较

8、级=最高级原句：Youcertainlywon’tfindanoisierfish.（=themostfish）常见结构：not/never…+a/an+比较级+n.no/never/nothing…+比较级Thereisnotatallerplayerthanhiminhisteam.他是他们队里最高的。Ihavedonemybest;Ica