比较级和最高级知识点

比较级和最高级知识点比较级和最高级知识点 形容词的比较级和最高级变化形式规则如下 构 成 法 ① 一般单音节词末尾加 est ② 单音节词如果以e 结尾，只加 原 级比 较 级最 高 级 er 和 strongstrongerstrongest strangestrangerstrangest r 和st ③ 闭音节单音节词如末尾只有 一 sad 个辅音字母， big 须先双写这个辅音字母，再加 和est ④ 少数以er或ure,ow 结 er 和 clever narrow cleverercleverest narrowernarrowest busier busiest er hothotterhottest biggerbiggest saddersaddest 尾的双音节词，末尾加 est “以辅音字母 y“结尾的双音节 busy 词，改 y 为 i，再加 -er，-est ⑤ 其他双音节和多音节词都在前 面加单词 more 和 most moremost different different different 2 不规则变化 原级比较级最高级 good好的/betterbest well健康的 bad 坏的/worseworst ill有病的 old 老的older/elderoldest/eldest much/many多的moremost little少的lessleast fewfewerfewest far 远的farther/furtherfarthest/furthest 距离程度 副词比较级和最高级的形式 副词和形容词一样,也有它的比较级和最高级形式. 可以参考形容词的变换形式 单音节副词的比较级是在副词后面加上 -er 构成的，最高级是在副词后面 加上 -est 构成的。 near nearer nearest hard harder hardest 多音节副词的比较级是在副词的前面加上 -more 构成的。 最高级是在副词 前面加上 -most 构成的。 warmlymore warmlymost warmly successfullymore successfullymost successfully 副词的比较级和最高级用法同形容词的比较级用法基本一样。 最高级形式 句中 the 可以省略。副词比较级和最高级的变化形式与形容词基本上一样 一般的副词 hard→harder →hardest fast→faster →fastest late→later →latest early→earlier →earliest 特殊的副词 well →better →best much →more →most badly →worse →worst little →less →least far-fartherfurther-farthestfurthest 但是，开放类副词即以后缀ly 结尾的副词不能像形容词那样加er 或est， 如 quickly →more quickly →most quickly quietly →more quietly →most quietly ［注］ early 中的ly 不是后缀，故可以把y 变i 再加er 和est He works harder than I. 他比我工作努力。 Lucy gets up earlier than Lily. 露西比丽丽起床早。 He runs the fastest in our class. 他在我们班跑地最快。 He dives deeper than his teammates. 他比他的队员潜水深。 Its true that he speaks English more fluently than any of us. 他英语讲的确实比我们任何人都好。 the 最高级 比较范围 形容词最高级前通常必须用定冠词 the，副词最高级前可不用。 The Sahara is the biggest desert in the world. Mike is the most intelligent in his class. 下列词可修饰最高级 by far, 序数词通常只修饰最高级。 Africa is the second largest continent in the world. 比较级形容词或副词 than You are taller than I. 注意 1）要避免重复使用比较级。 错 He is more cleverer than his brother. 对 He is cleverer than his brother. 2）要避免将主语含在比较对象中。 错 China is larger than any country in Asia. 对 China is larger than any other countries in Asia. ［误］He is taller than any boy in his class. ［正］He is taller than any other boy inhis class. 比较级 than any other 单数名词 这是用比较级形式表达最高级的意思。 3）要注意对应句型，遵循前后一致的原则。 A. The population of Shanghai is larger than that of Beijing. B. It is easier to make a plan than to carry it out. To make a plan is easier than to carry it out. 例题 The weather in China is different from____. A. in AmericaB. one in America C. AmericaD. that in America as 形容词或副词原级 as 例 The lights in your room are as bright as those in mine. Not as/so as 1）在否定句或疑问句中可用 so as。 He can run as fast as you. He cannot run so/as fast as you. 2）当 as as 中间有名词时采用以下格式。 as 形容词 a 单数名词 as many/much 名词 This is as good an example as the other is. I can carry as much paper as you can. 3）用表示倍数的词或其他程度副词做修饰语时，放在 as 的前面。 This room is twice as big as that one. Your room is the same size as mine. Your room is as big as my room. 4