新牛津译林版八年级上8A Unit1-8语法总结..doc
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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
规则变化之口诀:直接加;去e加;双写加;变加
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 + twice/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 getting shorter and shorter.白天变得越来越长了。
Our country is becoming more and more beautiful.我们的国家变得越来越美了。
⑥ 表示两种情况同时变化
The+ 比较级+ 主语+ V + …,the+ 比较级+ 主语+ V + …(…越…越…)
The more we get together, the happier we’ll be.=If we get together more, we’ll be happier.
我们聚得越多,我们就会越高兴。
The harder you study, the better you’ll be at English.= If you study harder, you’ll be better at English.
你学习越努力,你的英语成绩越好。
⑦ 主语+ be +one of the+ 最高级 + n.(pl.) + in/of… (…是最…之一)
Beijing is one of the oldest cities in China.北京是中国最古老的城市之一。
⑧ 主语+ V。+ the+ 最高级 + in/of… (…最…)
Ann studies hardest of all the girls in our class.安妮是我们班学习最用功的学生
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