形容词、副词的比较级和最高级的用法：

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1、形容词、副词的比较级和最高级的用法：当两种物体之间相互比较时，我们要用形容词或副词的比较级；当相互比较的物体是三个或三个以上时，我们就要用形容词或副词的最高级。形容词、副词的比较级和最高级的变化规律：1.单音节形容词或副词后面直接加-er或-esttall—taller—tallestfast—faster—fastest2.以-e结尾的单音节形容词或副词直接加-r或-stlarge—larger—largestnice—nicer—nicest3.以-y结尾的形容词或副词，改-y为-i再加-er或-estbusy—busier—busiestearly—earlier—earliest4

2、.形容词或副词是重读闭音节时，双写最后的辅音字母，再加-er或-esthot—hotter—hottestbig—bigger—biggest5.多音节形容词或副词前面直接加more或mostdelicious—moredelicious—mostdeliciousbeautiful—morebeautiful—mostbeautiful6.不规则变化good(well)—better—bestbad(badly)—worse—worst形容词、副词的比较级和最高级的句子公式：比较级形容词物体A+am/are/is+形比+than+物体B.Iamtallerthanyou.Pastaism

3、oredeliciousthanpizza.副词物体A+行为动词+副比+than+物体B.Cheetahsrunfasterthangoats.Hestudiesbetterthanme.最高级1）物体A+am/are/is+the+形最高级+比较范围（of+人/物，in+地方）.Iamthetallestintheclass.Pastaisthemostdeliciousfoodofthethree.2）物体A+行为动词+副词最高级+比较范围（of+人/物，in+地方）.Cheetahsrunfastestintheworld.Hestudiesbestofus.一.词形变换。比较级最高

4、级large____________________________________fast____________________________________easy____________________________________比较级最高级wet____________________________________good____________________________________important____________________________________well_____________________________________bad__

5、__________________________________many____________________________________little____________________________________far____________________________________strong____________________________________patient____________________________________safe____________________________________expensive_________

6、___________________________二.选择填空。1.Birdscanfly_____________,eaglescanfly_______________thanbirds.Theyfly_____________intheworld.(high,higher,highest)2.Iam_____________thanmybrother,butmylittlesisteristhe______________ofus.(fat,fatter,fattest)3.Whichcanswim______________,fishorsharks?(well,better,

7、best)4.Thegreenbookisa_______________book,buttheredoneismuch_____________thanthegreenone.It’sthe______________bookinthebookshop.(nice,nicer,nicest)5.Lookatthatboy,heisrunning______________(fast,faster).6.Ithinkth