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1、形容词和副词的比较级,形容词和副词的比较级的含义,大多数形容词和副词有三个等级：原级、比较级和最高级。期中比较级表示“更”,用于两者（人或事物）之间的比较，说明“前者比后者更”,比较级前常用even,much,a lot,等修饰，比较级的句子中常含有than.,形容词和副词的比较级的构成,（一）规则变化1，单音节和部分双音节形容词或副词一般在词尾加-er。smart-smarter fast-faster high-higher small-smaller,形容词和副词的比较级的构成,2，以不发音的字母e结尾的，直接加-r.nice-nicer fine-finer3，以“辅音字母结尾的”，把
2、变，再加-er。early-earlier happy-happiereasy-easier heavy-heavier,形容词和副词的比较级的构成,4，以重读闭音节结尾的单词，如果末尾只有一个辅音字母，先双写这个字母，再加-erbig-bigger thin-thinnerhot-hotter,形容词和副词的比较级的构成,5,多音节和部分双音节形容词或副词在原级前加more。popular-more populardifficult-more difficultbeautiful-more beautiful,形容词和副词的比较级的构成,6，由“动词+后缀-ing/-ed”构成的形容词，在词
3、前加more.interesting-more interestingexciting-more excitingbored-more boredrelaxed-more relaxed,形容词和副词的比较级的构成,7,由形容词+后缀-ly 构成的副词，在该副词前加more.slowly-more slowlyhappily-more happilydifferently-more differently,(二)不规则变化,部分不规则形容词或副词good/well-betterbad/ill/badly-worsemany/much-morelittle-lessfar-farther/fur
4、therold-older/elder,形容词或副词比较级的用法,1，形容词或副词的比较级常用于两者之间比较，表示两者之间的差异，构成多为“主语+谓语(连系动词)+形容词或副词的比较级+than+比较对象”。eg.His pen is bigger than mine.This sweater is too big,do you have a smaller one?He jumped higher than you.,形容词或副词比较级的用法,2,形容词的比较级可以有much,a little,even,far 等表示程度的词来修饰，用以加强语气。You look a little thin
5、ner than last year.Your sister looks much taller than before.,形容词或副词比较级的用法,3,“比较级+and+比较级”或“more and more+原级（多音节或部分双音节词）”意为“越来越.”。My brother is taller and taller.Our city is becoming more and more beautiful.He is running more and more slowly.,形容词或副词比较级的用法,4,“the+比较级+句子，the+比较级+句子”意为“越.,就越.”.The more
6、 you read,the more you know.The more vegetables you eat,the healthier you will be.,形容词或副词比较级的用法,5,as.as.意为“与.一样.”否定形式“not as/so.as.”意为“不如.,”，或“与.不一样.”,也是一种表达比较的形式，相当于“less+形容词/副词+than”.但as/so.as中间用形容词或副词的原级。This room is as big as that one.This room is not as/so big as that one.This room is smaller t
7、han that one.,形容词或副词比较级的用法,6,“the+比较级+of the two”表示“两个中比较.的”。The blue sweater is the cheaper of the two.这件蓝色的毛衣是两个中比较便宜的。The little boy is the taller of the two.,形容词或副词比较级的用法,7,“比较级+than any other+单数名词”表示“比任何其他的.都.”.Tom is taller than any other boy in his class.Tom比他们班里其他任何一个男孩都高。The red ball is big
8、ger than any other ball in the box.,形容词或副词比较级的用法,8,“Which/Who is+比较级，A or B?”A和B中哪一个/谁更.Which is bigger,the sun or the moon?Who is more beautiful,Lily or Lucy?,形容词或副词比较级的用法,9,表示“大几岁”、“长几米”之类的比较级时，用“数量+比较级+than”。I am two years older than my brother.This street is 100 meters longer than that one.He is two centimeters taller than me.,
