高中形容词、副词.docVIP

比较级与最高级： 1．原级的构成和用法 1)构成：形容词，副词的原级形式是形容词，副词的原形． 2)用法：表示双方在程度，性质，特征等某方面相等时，用“ as 十原级形容词或副词十 as”的结构；表示双方不相等时，用“ not so (as)十原级形容词或副词十 as”的结构； 3). (1) 表示一方是另一方的若干倍时，用“倍数十 as十原级形容词或副词十 as”的结构． This garden is??????????????? as???????? as that one．(三倍大)This room is????????? as???????? as that one．（两倍大） (2)half as+形容词原级+as表示“……的一半”。如：This book is half as thick as that one． 4).注意几个词组1. as good as几乎已经，实际上等于，和……几乎一样 He is as good as dead.他跟死了一样。 The second hand geography book is as good as new. 这本二手地理书几乎还是新的。2. as soon as一……就…… Please let us know as soon as you arrive in Beijing. 一到北京，请通知我们一声。 As soon as she got home, she began cooking. 她一到家就开始做饭。3. as much / many as多达……，达到……之多，实际上等于，差不多 Some of the stones even weigh as much as fifteen tons. 有些石块甚至重达15吨。 The number of people who lost homes reaches as many as 250,000. 失去家园的人数多达25万。That”s as much as to say he was a thief. 那无异于说他曾是个小偷。 4. as far as就……而言，尽……As far as I know, he”ll be away for three months. 就我所知，他将离开三个月。We will help you as far as we can. 我们会尽力帮助你。 5. as long as只要You can go where you like as long as you get back before dark. 你去哪儿都可以，只要你在天黑前返回。You will be happy as long as I am living. 只要我活着，你就会幸福。 6. as often as每当，每次As often as he came, he would stay with us for a time. 每次他来，总要和我们呆上一阵子。The boy always says hello to me as often as I meet him. 每次我遇见那个小男孩，他总是向我问好。 7. as well as和，同，既……又……，不仅……而且……My parents as well as my elder brother enjoy music. 我父母亲和我哥哥都喜欢音乐。He is clever as well as hard working. 他不仅努力工作而且聪明。 8. as…as possible / one can尽可能，尽（某人）所能Please sweep the floor as clean as possible. 请把地打扫得尽可能干净。I”ll get back as soon as I can. 9.“比较级+and+比较级”表示“越来越……”。如: He becomes??????? and????????? ．(越来越胖) 10.The+比较级…，the+比较级”表示“越……，越……”。如：The????????? he is，the????????? he feels．他越忙就越高兴。 2．比较级和最高级的构成和用法 1)比较级和最高级的构成： ①单音节形容词以及少数以- er，- ow结尾的形容词和副词加“ er”，“ est”．例如： great greater greatest narrow narrower narrowest fast faster fastest clever cl