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1、,形容词和副词最高级的用法,形容词和副词的最高级用于三者或三者以上的人或物之间的比较。最后可以用of/in等来说明比较的范围。形容词和副词的最高级前要加定冠词the.,-,3,最高级构成方法也分为规则和不规则变化。,单音节和少数双音节的形容词一般 在词尾加-est tall tallest great greatest smart smartest clever cleverest gentle gentlest narrow narrowest,规则变化,-,4,以不发音的字母e结尾的直接在词尾加-st fine finest large largest nice nicest,-,5,以“
2、辅音+y 结尾的双音节词，变y为 i，再加-est”原级 最高级 heavy heaviest dirty dirtiest happy happiest easy easiest early earliest,-,6,以重读闭音节的单个辅音字母结尾的词，双写辅音字母，再加-est 原级 最高级 thin thinnest big biggest hot hottest fat fattest wet wettest red reddest,-,7,多音节或大多数双音节的形容词在原级前面加most 原级 最高级 popular most popular important most impor
3、tant outgoing most outgoing careful most careful,-,8,由“动词+后缀-ing/-ed”构成的形容词，在形容词前加most 原级 最高级 interesting most interesting bored most bored,-,9,由“形容词+后缀-ly”构成的副词，在该副词前加most 原级 最高级 slowly most slowly happily most happily,-,10,不规则变化,-,11,最高级的常用句型结构:“主语+be+the+形容词最高级+in/of”或者“主语+动词+the+副词最高+in/of”，表示“是
4、中最的”Tom is the tallest in his class/of all the students.汤姆是班里/所有学生中最高的。Jack runs the fastest in his class/of all the students.杰克是班里/所有学生中跑得最快的。,-,12,“主语+be+one of the+形容词最高级+可数名词复数+in/of”，表示“是中最的之一”Beihai Park is one of the most beautiful parks in Beijing.北海公园是北京最美丽的公园之一。,-,13,“主语+be+the+序数词+形容词最高级+
5、名词 单数+in/of”，表示“是第几个最”The Yellow River is the second longest river in China.黄河是中国第二长的河流。,-,14,“疑问词+be+the+形容词最高级，A,B or C?”Who is the tallest,Tom,Jack or David?,-,15,比较级，最高级和原级之间的转换 1.Tom is not as careful as Mary.=Tom is less careful than Mary.,-,16,2.不能与自身相比较。应借助other或else来表示排除 Zhang Lei is the ta
6、llest student in his class.=Zhang Lei is taller than any other student in his class.He is the fattest in his class.=He is fatter than any student(anyone)else in his class.3.否定词never或not与比较级连用，表最高级Did you enjoy yourself at the party?Yes.Ive never been to a more exciting one before.,-,17,几点注意：1.形容词最高级的前面有my等形容词性物主代词或名词所有格时，最高级前不加theThis is my busiest day.这是我最忙的一天。Jack is Jims best friend.杰克是吉姆最好的朋友。2.要注意对应句型，遵循前后一致的原则。The population of Shanghai is larger than that of Beijing.上海的人口比北京的人口多。Our classroom is brighter than theirs.我们的教室比他们的明亮的多。,Thank you!,Goodbye!,
