unit7 Grammar.pptx

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1、Xiaoshi Middle SchoolWang Yingping(GrammarFocus-4c)(GrammarFocus-4c)Qomolangma.Whats_mountainintheworld?Qomolangma.HowhighisQomolangma?Its_.Its_thananyothermountain.thehighest8844.43metershighhigherTheNileisthelongestriverintheworld.Itsmorethan6,600kilometerslong.Whichisthelongestriverintheworld?A:D

2、idyouknowthatYangtzeRiveristhelongestriverinChina?B:Yes,Idid.Its6,300meterslong.Its the third longest river in the world.the Amazon RiverIts about 6,443 kilometers long,Its the second longest river in the world.Tworivers:_and_TheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYang

3、tze,buttheYangtzeRiveristhelongestriverinChina.the Yangtze Riverthe Amazon RiverShanghai Shanghai VSVS Beijing?Beijing?ShanghaiBeijingpopulation 16,740,00014,927,000size6,340.5square kilometers16,8000square kilometersShanghai is a lot smaller than Beijing,but the population of Shanghai is much bigge

4、r than the population of Beijing.Thebagis.long,wideandhigh.vsvstall taller-tallesthandsome more handsome the most handsomeJim-youngKate-youngerBob-youngestyoungyoungeryoungestdeliciousEnjoyasong：The more we get together.形容词和副词的比较级和最高级形容词和副词的比较级和最高级1.大多数形容词和副词都有三个级。大多数形容词和副词都有三个级。1)原级原级:常用结构常用结构as.as

5、.像像.一样一样ZhangHongisTom.张红和汤姆一样高。张红和汤姆一样高。2)比较级比较级(用于用于两者之间的比较两者之间的比较)常用结构：常用结构：形容词比较级形容词比较级than.Heis I.他比我高。他比我高。Grammar astallastallerthan3)最高级最高级(用于用于三者或三者以上的比较三者或三者以上的比较)，常用结构常用结构:the+形容词的最高级形容词的最高级of/in.Heisthethree.他是这三个人中最高的。他是这三个人中最高的。Heishisclass.他是他们班最有趣的。他是他们班最有趣的。thetallestofthefunniestin

6、2.形容词、副词比较级和最高形容词、副词比较级和最高规则变化规则变化和和不规则变化不规则变化。a)规则变化规则变化1)一般情况下，一般情况下，单音节或双音节的形容词单音节或双音节的形容词（或（或副词副词）比较级比较级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

7、或或est如如:easyeasiereasiesthappyhappierhappiest再如：再如：early,busy,heavy,dirty,lazy也也如此。如此。4)双写最后一个辅音字母双写最后一个辅音字母er或或est的词的词,同学要用心去记。同学要用心去记。1.fatfatterfattest2.thinthinnerthinnest3.hothotterhottest4.redredderreddest5.wetwetterwettest6.bigbiggerbiggest5)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

8、比较级，themost构构成成最高级最高级。如：。如：beautifulmorebeautifulthemostbeautiful又如又如:delicious,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：

9、goodbetterbestwellbetterbestbadworseworstmany,muchmoremostfarfartherfarthest(距离远距离远)farfurtherfurthest(程度深程度深)oldeldereldest(长幼长幼)oldolderoldest(年龄年龄)1.比较级考点比较级考点比较级修饰问题比较级修饰问题alittle,abit,even,still,much,alot,far等等可修饰比较级。可修饰比较级。e.g.TomisthanJim.Thisbookisthanthatone.alittletallermuchmoreinteresting

10、同类比同类比较较e.g.TheweatherinBeijingiscolderthaninXian.Ourschoolisbiggerthan.the+比较级比较级e.g.Lucyisthetwogirls.thatyoursthefatterof“a/an+比较级比较级”表示表示“又一，再一又一，再一”e.g.Lilyhasadoll,butshewantsone.隐性比较（没有隐性比较（没有than的情况）的情况）e.g.Whoruns,LucyorLily?Youdbettercomenexttime.Heworkedhardlastterm,butheworkseventhisterm

11、.abiggerfasterearlierharder越来越越来越a.比较级比较级+and+比较级比较级b.the+比较级比较级+句子，句子，the+比较级比较级+句子句子e.g.Itsgetting.youexercise,youare.hotterandhotterThemorethebetter2.最高级考点最高级考点说明：形容词的最高级前必须加说明：形容词的最高级前必须加the；副；副词的最高级前省略词的最高级前省略the。范围问题范围问题e.g.Tomisthetalleststudenttheclass.Springisthebestseasontheyear.inof“之一之一”

12、问题问题e.g.Beijingisintheworld.“the+序数词序数词+最高级最高级”e.g.Ithinkheisboyinhisclass.oneofthebiggestcitiesthesecondtallest3.比较级和最高级的转换比较级和最高级的转换e.g.Tomisthetalleststudentintheclass.=Tomistallerthanintheclass.=Tomistallerthanintheclass.=aretallerthanTom.anyotherstudenttheotherstudentsNootherstudents总结：总结：anyot

13、her+名词单数名词单数theother+名词复数名词复数否定否定+比较级比较级=最高级最高级比较级比较级+极限极限=最高级最高级4.同级比较同级比较as+adj./adv.+ase.g.SheisLily.HewritesLinda.not+as/so+adj./adv.+ase.g.TonydidntrunCarter.asthinasascarefullyasso/asfastasFillintheblankswiththecorrectformsofthewordsinthebox.4abigmuchpopularlongoldhigh1.TheAmazonRiverisoneofth

14、e_riversintheworld.Itsalittle_thantheYangtzeRiver.2.Qomolangmais8,848.43meters_.Itsoneofthemost_placesforseriousmountainclimbers.longestlongerhighpopularbigmuchpopularlongoldhigh3.Nooceanintheworldisas_asthePacificOcean.4.AlthoughJapanis_thanCanada,itis_smaller.bigoldermuchWrite five questions using

15、 comparisons.Then ask your partner your questions.1._2._3._4._5._4cWhatisthehighestbuildinginourcity?Whatisthebusiestsubwaystationinoutcity?Whatisthelargestshoppingmallinourcity?Whichisthebiggestparkinourcity?Whichisthelongestroadinourcity?HomeworkTrytowriteasmanysentencesasyoucanusingcomparisons.(10sentencesatleast)