八年级英语上册Unit 3《I'm more outgoing than my sister.》(Grammar)
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《I'm more outgoing than my sister.》(Grammar) Try to translate the following sentences and then tell why we use the words in red?Chould you figure out how to form those words and when to use them? 1.Sam plays the drums better than Tom. 2.He is taller than other boys in my class. 3.She is shorter than I am and is very small. Comparatives 形容词有三种形式：原级，比较级和最高级，表示形容词说明书的性质在程度上的不同。 形容词的比较级用于两个人或事物的比较，是在形容词有原级形式的基础上变化的，可分为规则变化和不规则变化。 形容词、副词比较级规则变化和不规则变化。 a）规则变化 1）一般情况下，单音节或双音节的形容词（或副词）比较级+er,如： clever-cleverer few-fewer small-smaller long-longer tall-taller smart-smarter hard-harder short-shorter fast-faster quiet-quieter 2）以e结尾的词，比较级+r即可，如： nice-nice cute-cuter large-larger fine-finer white-whiter late-later brave-braver 3）以辅音字母+y结尾的变y为i+er 如：easy-easier happy-happier 再如：cerly,busy,heavy,dirty,lazy,friendly,funny 也如此。 4）双写最后一个辅音字母+er的词，同学要用心去记。 1.fat-fatter 2.thin-thinner 3.hot-hotter 4.red-reaaer 5.wet-wetter 6.big-bigger 5）多音节和部分双音节的词须要在形容词原级前+more构成比较级。如： beautiful-more beautiful 又如：delicious,popular,important,interesting,expensive,creative,hard-working,outgoing,talented,serious,clearly 双音节的词如： careful-more careful useful-more useful 少数单音节也是这样，如： pleased-more pleased tired-more tired b）不规则变化 good-better well-better bad-worse many,much-more far-farther（距离远） far further（程度深） old-elder（长幼） old-older（年龄） litter-less（少的、小的） clever-cleverer nice-nicer few-fewer cut-cuter small-smaller large-larger long-longer fine-finer tall-taller white-whiter smart-smarter late-later hard-harder brave-braver fast-faster short-shorter quiet-quieter early-earlyer busy-busier thin-thinner heavy-heavier hot-hotter dirty-dirtier red-redder lazy-lazier wet-wetter friendly-friendlier big-bigger funny-funnier delicious more delicious popular more popular important more important interesting more interesting expensive more expensive creative more creative hard-working more hard-working outgoing more outgoing talented more talented serious more serious clearly more clearly good-better well-better bad-worse many,much-more far-farther（距离远） far further（程度深） old-elder（长幼） old-older（年龄） litter-less（少的、小的） 形容词比较级的用法 形容词的的比较级用于两个人或事物的比较，其结构的形式如下：主语+谓语（系动词）+形容词比较级+than+对比成分。 She is shorter than I am. My book is more intersting than his book. He is taller than I. Tian is more outgoing tham Tara. Please use comparatives to compare the following people or thing. Linda Nancy Linda is taller than Nancy. Nancy is shorter than Linda. ￥50.00 ￥100.00 The green bag is (cheaper than)the white one. The white bag is (more expensive than)the green one. Using‘（not）as’+adjective+‘as’ ‘as’+adj.+‘as’的用法 Can you guess the meaning of the following sentences?Could you fiure out the usage of“as……as”? 1.She is as slim as I am. 2.A my is as tall as peter. 3.This film is as interesting as that one. as…as意为“和……一样”，表示同级的比较。其基本结构为:as+adj.+as as+adj.+as的否定形式为： not as+adj.+as This dictioary is not as useful as you think. Amy is not as tall as peter. 习题点击 1.（ A ）is more beautiful than roses. A.No other flower B.No another flower C.Not other flower D.Not all flowers 2.The tree is ( A )than that tree. A.taller B.the tallest C.taller than of all D.tall. 3.Mary studies harder( B )in her class. A.as any one B.than any other girl C.than the other D.htan anyone 4.Which is ( C ),Li Lei or Wu Tong? A.strong B.strongest D.stronger D.the strongest 5.Which language is( A ),English,French? A.easier B.the most easy C.the easiest D.much more easy 1.Lucy比Lily高。 Lucy is taller than Lily. 2.中国比美国大。 Caina is larger than the U.S.A.. 3.Tom比jim更搞笑。 Tom is funnier than jim. 4.这个盒子比那个盒子大。 This box is bigger than that one. 5.她比她姐姐外向。 She is moer outgoing than her sister. 6.她比他的弟弟更努力。 He is more hard-working than his brother. 7.李老师比张老师更严肃。 Mr.Li is more serious than Mr.zhang. 8.披萨比汉堡包更美味。 Pizza is more felicious than hamburgers. 9.海伦和辛迪的头发一样长。 Helen's hair is as long as Cindy's 10.安娜和汤姆一样工作努力。 Anna works as hard as Tom.
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