英语比较级ppt课件

,比较级,规则变化：,其他多音节词，在前面加more,most来构成比较急和最高级Important,beautiful,不规则变化,写出下列单词的比较级和最高级,bigtallnicegoodlongeasyyounghot,biggerbiggesttallertallestnicernicestbetterbestlongerlongesteasiereasiestyoungeryoungesthotterhottest,Thedogisbiggerthanthemouse.,Thehorseisthebiggestofall.,Theboyisyoungerthantheman.,Thebabyistheyoungestofthethree.,big,bigger,biggest,youngyounger,youngest,Jim,LiLei,Tom,LiLeiistallerthanTom.,Jimisthetallestofall.,￥30,￥20,￥10,Theyellowcoatischeaperthanthepurpleone.,Thebrowncoatisthecheapestofthethree.,Thedogisbiggerthanthemouse,Theboyisyoungerthantheman.,LiLeiistallerthanTom.,Theyellowcoatischeaperthanthepurpleone.,Conclusion,A+be+比较级+than+B,形容词比较级句式的结构：,Conclusion,Thehorseisthebiggestofall.Thebabyistheyoungestofthethree.Thebrowncoatisthecheapest.Jimisthetallestinourclass.,主语+be+the+最高级+of/in.,形容词最高级句式的结构：,￥30,￥20,￥10,Tom,LiLei,Jim,youngcheaptall,Jimisstrong.LiLeiis.Tomis.,stronger,thestrongest,Exercise,Thebluecarisnice.Theredcarthebluecar.(红车比蓝车好看）Thecolourcarofall.（彩色车最好看）,isnicerthan,isthenicest,形容词比较级的用法：形容词比较级通常可分为原级、比较级、最高级三种基本形式。as+原级+as和相同比较级+than比较为The+最高级+of(in)在中最为,1.原级的用法:(1)句型：A+动词+as+原级+as+B(程度相同)Myuncleisastallasyourfather.Herskinisaswhiteassnow.Thisjacketisascheapasthatone.Mydogisasoldasthatone.(2)否定句：A+动词+not+as+形容词原级+as+B=A+动词+not+so+形容词原级+as+B(表示A、B程度不同，即A不如B那么)Heisnotas(so)fatasI.TheweatherinBeijingisnotas(so)hotasthatinWuhan.,2.比较级的用法：（1）句型：A+动词+形容词比较级+than+BMaryisyoungerthanI.HangzhouismorebeautifulthanWuhan.,（2）需注意的比较级用法在形容词比较级前还可以用much、even、still、alittle来修饰Heisevenslowerthanbefore.JapanisalittlelargerthanGermany.B.比较级+thananyother+单数名词（比其他任何一个别的都）Heisbetterthananyotherstudentinhisclass.Thiswatchismoreexpensivethananyotherwatchintheshop.,C.比较级+and+比较级：越来越Theearthisgettingwarmerandwarmer.Chinaismoreandmorebeautiful.,3.最高级的用法：1.句型：A+动词+形容词最高级+of（in）表示三者或三者以上的人或事物的比较，其中有一个在某一方面超过其他几个时，用最高级。最高级前面一般要加the,后面可带of（in）短语来说明比较的范围。Tomisthehappi