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1、01GrammarComparative and Superlative Form of Adjectives and Adverbs形容词副词比较级和最高级构成形容词副词比较级和最高级构成talltallertallestRegular rules(规则变化规则变化)fastfasterfastestRegular rules(规则变化规则变化)1.一般在词尾加-er和-est。07:5508:05latelater11:59latestRegular rules(规则变化规则变化)nicenicernicestRegular rules(规则变化规则变化)2.以字母e结尾的词，在词尾加-r
2、和-st：bigbiggerbiggestABCRegular rules(规则变化规则变化)3.以重读闭音节词词尾只有一个辅音字母时，先双写该辅音字母，再加-er和-est：lazylazierlaziestRegular rules(规则变化规则变化)4.以“辅音字母+y”结尾的双音节词，先把“y”变成“i”，再加-er和-est：expensivemore expensivemost expensiveRegular rules(规则变化规则变化)5.多音节和部分双音节词在词前加more和most。sadlymore sadlymost sadlyRegular rules(规则变化规则
3、变化)6.词尾-ly结尾的副词，在词前加more和most。规则变化规则变化1.一般在词尾加-er和-est;2.以字母e结尾的词，在词尾加-r和-st;3.以重读闭音节词词尾只有一个辅音字母时，先双写该辅音字母，再加-er和-est;4.以“辅音字母+y”结尾的双音节词，先把“y”变成“i”，再加-er和-est；5.多音节词和部分双音节词在其前面加more和most。6.词尾-ly结尾的副词，在词前加more和most。farthermy house5km4km3kmfarfarthestIrregular rules(不规则变化不规则变化)Positive Degree（原级）Compa
4、rative Degree（比较级）Superlative Degree（最高级）good/wellbetterbestbad/badly worseworstmany/muchmoremostlittlelessleastfarfarther/furtherfarthest/furthestoldolder/elderoldest/eldestIrregular rules(不规则变化不规则变化)1.You are divided into two Groups.2.When the English shows,tell me its comparative degree.3.The win
5、ning group can get 5GK per person.Game TimeWhich group is faster?tallgoodniceeasyGame TimeGroupGroup 1 1beautifulwellhotbighappilylittlemanydifficultcoldgoodlatehappyGame TimeGroupGroup 2 2usefullittlemuchfatlongearlydeliciousfar教学分析Practicetall-taller-tallest thin-thinner-thinnest heavy-heavier-hea
6、viest easy-easier-easiestinteresting-more interesting-most interesting early-earlier-earliestbeautiful-more beautiful-most beautifulfunny-funnier-funniest P3教学分析Practicecomfortable-more comfortable-most comfortablecareful-more careful-most carefulgood/well-better-bestbad/badly-worse-worstmany/much-m
7、ore-mostlittle-less-leastfar-farther/further furthest/furthest colorful-more colorful-most colorful 教学分析Practicenew-newer-newestpoor-poorer-poorestold-older/elder-oldest/eldestrich-richer-richestyoung-younger-youngestclean-cleaner-cleanestfriendly-more friendly-most friendlyhappy-happier-happiestcle
8、ver-cleverer-cleverest 教学分析Practiceearly-earlier friendly-friendlier clever-cleverer/more early/more friendly/more clever教学分析Practice When you see your favorite food on a red plate,you probably feel hungry.But you feel _ when its on a white plate.Why?Research shows that colors can really affect our
9、feelings about food.For example,when you add red dye to water,it tastes _ than normal water,as if youve added sugar.The food that you think is the _ will probably taste _ to you if you change its color to blue.This is because blue is a very unnatural color for food.hungrier larger most delicious swe
10、eter worse sweeterhungriermost deliciousworse教学分析Practice Color can also affect how much we eat.In one experiment,people were asked to serve themselves some pasta with white sauce.The people with red plates took a small portion,while the people with white plates took a much _ portion.Can you guess why this happens?larger教学分析Practice写出下面单词的比较级和最高级hungry _ _ large _ _ many/much _ _ delicious _ _ sweet _ _ bad _ _ hungrierhungriestlargerlargestmoremostmore deliciousmost delicioussweetersweetestworseworst