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Comparativestocomparethingsandpeople形容词&副词比较等级的构成英语形容词比较等级有三个：原级，比较级和最高级fast◇Lookatthepicturesandunderstand看图并理解fastfaster◇Lookatthepicturesandunderstand看图并理解fastfasterfastest◇Lookatthepicturesandunderstand看图并理解◇Lookatthepicturesandunderstand看图并理解bigbiggerbiggest规则变化1）单音节词末尾加-er（比较级），-est（最高级）(少数以er，ow结尾的双音节词)原级比较级最高级greatgreatergreatestsmallsmallersmallestcleancleanercleanestclevercleverercleverest2）单音节如以e结尾，只加-r（比较级），-st（最高级）finefinerfinestwidewiderwidestableablerablest规则变化3）闭音节单音节词如末尾只有一个辅音字母，须先双写这个辅音字母，再加-er（比较级），-est（最高级）4）以辅音字母+y结尾，则变y为-i，再加-er和-estbigbiggerbiggesthothotterhottestredredderreddesteasyeasiereasiest规则变化5）其它双音节和多音节词皆在前面加单词more和mostcarefulmorecarefulmostcarefuldifficultmoredifficultmostdifficultdeliciousmoredeliciousmostdelicious不规则变化原级比较级最高级good/wellbetterbestmany/muchmoremost原级用法2.as…as…notas/so...as...你和汤姆是一样好的孩子。You’reaboyasgoodasTom.约翰不象迈克那么笨。JohnisnotsostupidasMike.1.副词very,too,so,quite等修饰原级。如：verytall、toohot、socoldquiteinteresting比较级的用法一般句式的构成：A+is/are+形容词比较级+than+BSheistallerthanme.TherearemorestudentsinClassOnethaninClassTwo.可用much,alittle,even等修饰：HemademuchmoremistakesthanIdid.HeisevenricherthanI.最高级的用法形容词最高级前必须加the,副词最高级前常省略the，后面多用of……，in……短语表示范围：Itwasthemost/leastinterestingstory.Heisthetallestofthethree.Herunsfastest.一．写出下列单词的比较级和最高级：beautiful____________________expensive____________________popular_____________________delicious_____________________old_______________________good________________________fat_________________________low______________________small______________________big______________________narrow______________________crazy______________________二．选择：1.Myteacheris_____thanmymother.A:beautiful.B:morebeautifulC:mostbeautiful.2.Thisgameis________thanthatgame.A:popularB:morepopularC:mostpopular3.Heisthe________studentinourclass.A:goodB:betterC:best.4.Myfatherisso_________.A:tallB:tallerC:tallest5.Icanjumpvery_________.A:farB:fartherC:farthest6.Thehamburgeris_______thanthebread.A:deliciousB:moredeliciousC:themostdelicious7.Thisbookis20yuan.Thatbookis30yuan.Sothatbookis_________thanthisbook.A:expensiveB:moreexpensiveC:mostexpensive.8.Thewitchis______thantheoldman.A:badB:worseC:worst.9.Ihavemanybooks.Lilyhas_______booksthanme.Jackhas__________booksthanLily.A:many,many.B:most,mostC:more,more10．Mybookbagisas_____asmysister’sbookbag.A:bigB:biggerC:biggest.11.Jackistoo______toreachthecookiesontheshelf.A:littleB:littlerC:littlest12.Mybookis_________thanLily’sbook.A:goodB:betterC:best13.Whichoneis________?Winterorsummer?A:hotB:hotterC:hottest14.Peteristhe_________oneinourclassroom.A:lateB:laterC:latest15.Icanrun_______.Myunclecanrun______thanme.Myfathercanrun________inall.A:fast,fast,fastB:faster,faster,fasterC:fast,faster,fastest谢谢观赏