新牛津译林版八年级上8AUnit18语法总结VIP专享VIP免费

1 八年级上册8AUnit1-8 语法总结 1. 形容词/副词的比较等级(1)—用法讲解 大多数的形容词都有三个级别：原级、比较级、最高级。其中比较级表示“更……”，用于两者之间的比较，用来说明“前者比后者更……”，比较级前面一般用much, even, a little 修饰，其中even, much 只能修饰比较级。最高级表示“最……”，用于三者及三者以上之间的比较，用来说明“某人或某物在某个范围内最……” ① 形容词的比较级(-er)和最高级(-est)的构成 a. 规则变化之口诀：直接加；去 e 加；双写加；变 y加; more/ most b. 不规则变化 原级 比较级 最高级 good / well better best bad / ill worse worst many / much more most little less least far farther, further farther, further old older, elder oldest, eldest ②比较级前的修饰语 still, even, any, quite(a bit), almost, nearly, just, rather；a little, a bit；much, a lot, far, many；twice, ten times, one fourth, two pounds, three years 形容词的比较等级(2)—常见句型 ① A=B A+ V + as + adj./adv. + as + B （与。。。一样） He is as tall as I/me. 他和我一样高。 He is as good a teacher as his father.他和他的父亲一样是个好教师。 ② A≠ B A + V + not + as/so + adj./adv. + as + B （与。。。不一样） They didn’t do as/so much work as you did. 他们干得事没有你多。 I’ve never seen as/so old a car as this.我从来没有见过像这样旧的车。 ③ A > B 或A < B A + V + 比较级 + than + B （比。。。更。。。） Tom is two years older than his brother. 汤姆比他的弟弟大两岁。 Our classroom is bigger than theirs. 我们的教室比他们的大。 ④ 表示倍数A + V + tw ice/four times/… + as + adj./adv. + as + B（A 是 B 的两倍/四倍/…） This room is twice as large as that one. 整个房间是那房间的两倍大。 The earth is 49 times as big as the moon.地球是月球的49 倍大。 ⑤ 表示程度的递增主语 + V + 比较级+ and+比较级 (…越来越…) 主语 + V + more and more+ +adj./adv. (…越来越…) The days are...