2014仁爱英语八上 Unit 4 Topic 2 Section A公开课.ppt

《2014仁爱英语八上 Unit 4 Topic 2 Section A公开课.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit4OurWorldTopic2Howcanweprotectourselvesfromtheearthquake?SectionA形容词比较级和最高级的规则变化1.一般在词尾直接加er/est:tall—taller—tallest2.以e结尾的单词去e加er/est:wide—wider—widest3.以辅音字母加y结尾的单词，把y改成i,再加er/est:busy—busier—busiest以重读闭音节结尾，且末尾只有一个辅音字母的单词，双写末尾的辅音字母，再加er/est:big—bigger—biggest,(fat,thin,

2、red,hot)单音节及部分双音节AdjectivestrongtallnicebraveComparativestrongernicerSuperlativestrongestnicestAdjectivebigfatthinlazyuglyComparativebiggerlazierSuperlativebiggestlaziesttallertallestbraverbravestfatterfattestthinnerthinnestuglierugliest2bStudytherulescarefullyandcompletetheta

3、ble.形容词比较级和最高级不规则变化原级比较级最高级good/wellbad/illmany/muchlittlefarbetterbestworseworstmoremostlessleastfartherfarthestTheappleis______.Thepearis___________thantheapple.Theorangeis_______________ofthethree.bigbiggerbiggestLookandsayfastfasterfastestLookandsayThebikeis______.Thecaris

4、___________thanthebike.Theplaneis_______________ofthethree.fastfasterthefastestThetelephoneisuseful.telephoneThemobilephoneis___________thanthetelephone.mobilephoneThecomputeris_______________ofthethree.computerLet'stalkmoreusefulthemostuseful手机delicious—interesting—carefully—

5、popular—careful—moredelicious—mostdeliciousmoreinteresting—mostinterestingmorecarefully—mostcarefullymorepopular—mostpopularmorecareful—mostcareful多音节词和部分双音节词：在词前加more/most。sumup2aStudytherulesandcompletethetable.AdjectiveusefulseriousdangerousbeautifulimportantterribleCompara

6、tivemoreusefulSuperlativemostusefulmoreseriousmostseriousmoredangerousmostdangerousmorebeautifulmostbeautifulmoreimportantmostimportantmoreterriblemostterriblebeautifultreesgrassflowersAskandanswerwithyourpartneraccordingto2b.A：The__________isbeautiful.B:Ithinkthe________is___

7、__________thanthe________.C:Yes,butthe_________is__________________ofthethree.morebeautifulthemostbeautifulimportantChinesemathEnglishAskandanswerwithyourpartneraccordingto2b.A：The__________isimportant.B:Ithinkthe________is______________thanthe________.C:Yes,butthe_________is_

8、_______________ofthethree.moreimportantthemostimportantterrib