八年级英语牛津版Unit1Grammar课件.ppt

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1、Unit1GrammarTouseanadjectivebeforeanounorafteralinkingverbtodescribesomeone/something.Tousecomparativesandsuperlativestocomparepeople/things.LearningAims:shorttallLily’scakeisbig.中学学科网HanMei’scakeis______thanLily’s.Jim’scakeisthe______ofall.biggerbiggestLiLei’sboxi

2、sheavy.HanMei’sboxis_______thanLiLei’s.Jim’sboxisthe_______ofall.heavierheaviestAmyisverybeautiful.LindaismorebeautifulthanAmy.Helenisthemostbeautifulofall.构成方法原级比较级最高级大多数直接在词尾加-er或-estfastlongtallcheapfasterlongertallercheaperfastestlongesttallestcheapest形容词的比较级(Co

3、mparative)和最高级(Superlative)构成方法原级比较级最高级以字母e结尾的形容词,加-r或-stnicesafelatefinenicersaferlaterfinernicestsafestlatestfinest构成方法原级比较级最高级双写辅音字母,再加-er或-estbighotthinslimbiggerhotterthinnerslimmerbiggesthottestthinnestslimmest构成方法原级比较级最高级以辅音字母+y结尾的双音节词,先改y为i,再加-er或-esteasyhap

4、pyheavyprettyeasierhappierheavierprettiereasiesthappiestheaviestprettiest构成方法原级比较级最高级其他双音节词和多音节词在前面加more或mostbeautifulmorebeautifulmostbeautifulimportantmoreimportantmostimportantdangerousmoredangerousmostdangerousfrightenedmorefrightenedmostfrightened不规则变法good/well

5、betterbestbad/badlyworseworstmany/muchmoremostlittlelessleastfarzxxkwfartherfarthestfurtherfurthestoldolder/elderoldest/eldestadjectivecomparativesuperlativefunnyhappyinterestinglargesmartthinCompletethetablebelowfunnierfunniesthappierhappiestmoreinterestingmostinte

6、restinglargerlargestsmartersmartestthinnerthinnest形容词比较级的用法形容词的比较级用于两个人或事物的比较,其结构形式如下:SheisshorterthanIam.组卷网Mybookismoreinterestingthanhisbook.主语+谓语(系动词)+形容词比较级+than+对比成分。形容词最高级的用法形容词最高级用于三个或三个以上的人或物进行比较,其结构形式为:ThisisthebiggestappleIhaveevermet.Sheisthebeststudenti

7、nherclass.主语+谓语(系动词)+the+形容词最高级+名词+表示范围的短语或从句Simonis_________(tall)Kitty.Peteris________(tall)studentofthesixstudents.Sandyis___________(heavy)Millie.Peteris__________(heavy)studentofthesixstudents.Millieis_________(slow)swimmerofthesixstudents.tallerthanthetallesth

8、eavierthantheheaviesttheslowest6.Amyis_________(fast)swimmerofthesixstudents.7.Millie’sdrawingis_________________(beautiful)Simon’s.Sandy’