Unit7 Grammar Focus--4C.ppt

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1、Whatsthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?Its8,844.43metershigh.Itshigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlakes.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?zxxkYes,Idid.ItsmucholderthantheUS.大多数形容词有三个级。大多数

2、形容词有三个级。1.原级原级:Structure:as.as.像像.一样一样e.g.TimisastallasTom.2.比较级比较级(用于两者之间的比较用于两者之间的比较):Structure：形容词比较级形容词比较级than.e.g.Thisboxisbiggerthanthatone.3.最高级最高级(用于三者或三者以上的比较用于三者或三者以上的比较):Structure:the+形容词的最高级形容词的最高级of/in.e.g.Tomistheheaviestinourclass.Heisthemostpopularinourschool.规则变化规则变化1)一般情况下，一般情况下，单音

3、节或双音节的形容单音节或双音节的形容词词/副词比较级副词比较级er，最高级最高级est。如。如:clevercleverercleverestfewfewerfewestsmallsmallersmallest等。等。2)以以e结尾的词结尾的词，比较级比较级r，最高级最高级st即可。即可。如：如：nicenicernicestcutecutercutestlargelargerlargest3)以以辅音字母辅音字母y结尾的结尾的变变y为为ier或或est如如:easyeasiereasiesthappyhappierhappiest再如：再如：early,busy,heavy,dirty,la

4、zy也如也如此。此。4)重读闭音节，单辅音结尾的，重读闭音节，单辅音结尾的，双写这双写这个辅音字母个辅音字母er或或est的词：的词：fatfatterfattestthinthinnerthinnesthothotterhottestredredderreddestwetwetterwettestbigbiggerbiggestzx。xk5)多音节和部分双音节的词多音节和部分双音节的词需要在形容词需要在形容词原级前原级前more构成构成比较级比较级，themost构构成成最高级最高级。多音节多音节如：如：beautifulmorebeautifulthemostbeautiful又如又如:d

5、elicious,popular,important,interesting,expensive,creative双音节双音节的词如的词如:carefulmorecarefulthemostcarefulusefulmoreusefulthemostuseful少数单音节词少数单音节词也是这样，如：也是这样，如：pleasedmorepleasedthemostpleasedtiredmoretiredthemosttiredb)不规则变化：不规则变化：goodbetterbestwellbetterbestbadworseworstmany/muchmoremostfarfartherfar

6、thest(距离远距离远)farfurtherfurthest(程度深程度深)oldeldereldest(长幼长幼)oldolderoldest(年龄年龄)1.Ourfamilyhasboughtacarsowecantravel_thanbefore.（2008陕西）陕西）A.mosteasilyB.lesseasilyB.C.easilyD.moreeasilyC.2.Myfathertoldmeastorylastnight.Itis_oneIveeverheard.（2009陕西）陕西）D.thefunniestB.funniestE.C.funnierD.thefunnierDA3

7、.The_friendsyouhave,the_youwillbe.（2010陕西）陕西）A.more,happyB.many,happyC.more,happierD.many,happier4.Whenheheardacryforhelp,heranoutas_ashecould.（2011陕西）陕西）A.hardlyB.quicklyB.C.finallyD.slowlyCB5.ThisplaceisnotbigenoughforLucysbirthdayparty.Weshouldfinda_one.（2012陕西）陕西）A.bigB.smallB.C.biggerD.smallerC

8、Fill in the blanks with the correct forms of the words in the box.bigmuchpopularlongoldhigh1.TheAmazonRiverisoneofthe_riversintheworld.Itsalittle_thantheYangtzeRiver.2.Qomolangmais8,844.43meters_.Itsoneofthemost_placesforseriousmountainclimbers.longestlongerhighpopular4a3.Nooceanintheworldisas_asthe

9、PacificOcean.4.AlthoughJapanis_thanCanada,itis_smaller.bigoldermuch太平洋太平洋n.大海；海洋大海；海洋Write two comparisons about two topics.Write true facts.Tworivers:_and_4bTheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeRiveristhelongestriverinChina.theYangtzeRivertheAmazonRiverTwocities:_and_1._.2._.Twoanimals:_and_1._.2._.Write five questions using comparisons.Then ask your partner your questions.1._2._3._4._5._4cWhatisthehighestbuildinginourcity?1.Tomemorizetheimportantphrasesandsentences.2.Tomakesomesentencesusingasas,.timesthan,lessthan,morethan