2014年秋人教版八年级英语上Unit3 Section A-2课件【46页】.ppt

3) 重读闭音节词末尾只有一个辅音字母 时, 先双写这个辅音字母, 再加-er或-est。 如: big – bigger – biggest thin – thinner – thinnest 4) 以“辅音字母+ y”结尾的双音节词， 先改y为i, 再加-er或-est。如： easy – easier – easiest happy – happier – happiest 5) 多音节词和部分双音节词在词前加more 或most。如： delicious – more delicious – most delicious interesting – more interesting – most interesting important—more important —most important 讲述某人或某物自身情况时用原级。 基本句型：主语+ 谓语 + 形容词/副词原级 +…. He is very old now. 他现在很老了。 They ran quite fast. 它们跑得相当快。 The weather looks rather bad. 天气看上去相当糟 I am so happy. 我是如此的快乐。 表示两者之间没有差别时,使用句型： 主语(第一个人物) + 谓语动词 + as + 形容词/副词原级 + as + 第二个人物 +…. 如：He is as excited as his younger sister. 他和他妹妹一样兴奋。 Lily rode her bike as slowly as an old lady. 莉莉骑车像老太太一样慢。 They picked as many apples as the farmers (did). 他们摘的苹果和农民一样多。 表示第一个人比不上第二个人时,使用句型: 主语(第一个人物) + 谓语动词(否定式) + as / so + 形容词/副词原级 + as He?is?not?so?/?as?excited?as?his?younger?sister. 他没他妹妹那么兴奋。 Lily?did?not?ride?her?bike?so?/?as?slowly?as?an ? old?lady.? 莉莉骑车不像老太太那样慢。 ? They?didn’t?pick?so?/?as?many?apples?as?the farmers?(did).?他们摘的苹果不如农民多。 ?讲述两者有差异, 第一个人物超过第二个人 物时用比较级。 基本句型：主语(‘A’)+谓语动词+形容词/副词比较级+than+主语(‘B’)+….?????????? e.g. A?modern?train?is?faster?than?a?car. 现代的火车比轿车快多了。 ? This?book?didn’t?cost?me?more?than?that?one. 这本书花费我的钱不比那本多。??????? 在形容词比较级前还可用much, even, still, a little来修饰, 表示“……的多”, “甚至……”, “更……”, “……一些”。 e.g. 1) This city is much more beautiful than before. 2) She’s a little more outgoing than me. 3) It’s a little colder today. 3.“比较级＋and＋比较级”意为“越来 越……” 。多音节比较级用“more and more＋形容词原级”形式。如： It’s getting worse and worse. The group became more and more popular. 4. “Which / Who is