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1、8 上上Unit 2 Grammar B Comparative and superlative adverbsLearning aims1.掌握副词比较级和最高级的构成。掌握副词比较级和最高级的构成。2.正确运用副词的比较级和最高级。正确运用副词的比较级和最高级。Can you find out some adverbs?Can you find out some adverbs?On Sunday morning Lingming got up late.His mother asked him to do his homework quickly.But he didnt write c
2、arefully and worked very slowly.副词副词动词动词副词:用来修饰形容词、动词，其他副词或者句子，一般位于形容词之前，动词之后或句子之首。The box is very heavy.He can answer the question correctly.Unluckily,he lost the game.Millie came third in the race.She ran fast.Sandy came second in the race.She ran faster than Millie.Amy came first in the race.She
3、ran the fastest.AdverbComparativeSuperlativeMost short adverbs+er+esthardhighharderhigherhardesthighestWe form comparative and superlative adverbs like this:AdverbComparativeSuperlativeLong adverbsmore+most+quicklycarefullymore quicklymore carefullymost quicklymost carefullyAdverbComparativeSuperlat
4、iveIrregularadverbsreplace the wordreplace the wordwellbadlyfarbetterworsefurther/fatherbestworstfurthest/farthest比较等级比较等级副词和形容词一样,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。但以词尾-ly 结尾的副词（除 early 本来就原形）须用 more 和 most。hard harder hardest Fast faster fastest Early earlier earliest Much more most Warmly more warmly mo
5、st warmly 有些副词的比较级和最高级形式是不规则的。well-better bestmuch-more-mostfar-farther(further)-farthest(furthest little-less(er)least badly-worse-worst比较级的用法。对方比较，表示一方超过另一方时，用“比较级+than”的结构表示。如：This picture is more beautiful than that one.表示一方不及另一方时，用“less+原级+than”的结构表示。如：This room is less beautiful than that one.
6、表示一方超过另一方的程度或数量时，可在比较级前加表示程度的状语，如even、a lot、a bit、a little、still、much、far、yet、by、far等修饰。如：He works even harder than before.表示一方随另一方的程度而变化时，用“the+比较级（主语+谓语），the+比较级(主语+谓语）”的结构（意为“越越”）。如：The harder he works,the happier he feels.不与其他事物相比，表示本身程度的改变时，用“比较级+and+比较级”的结构。如：The weather is getting colder and
7、colder.The girl becomes more and more beautiful.(3)最高级的用法。形容词最高级前一般要加定冠词，副词最高级前可不加冠词。Of all the boys he came(the)earliest.well betterbest1.Sandy draws _(well).She draws _(well)than any other student in my class.She draws _(well)of us all.Complete the sentences with the correct forms of the words in
8、brackets.2.David jumps _(high).He jumps _(high)than any other of my classmates.He jumps _(high)in my class.3.Amy swims _(fast).She swims _(fast)than all my other classmates.She swims _(fast)in my class.highhigherhighestfastfaster fastest4.Millie writes _(quickly).She writes _(quickly)than the other students in my class.Millie writes _(quickly)of us all.quicklymore quicklymost quickly