内容正文:
一轮复习
Unit 6 weather
规则变化
规则 例词 比较级 最高级
单音节、少数双音节词后面直接加-er , -est tall
fast taller
faster tallest
fastest
以不发音的e结尾只加-r,-st large
late larger
later largest
latest
以辅音字母+y结尾的词改y为i,再加-er, -est happy
early happier
earlier happiest
busier
重读闭音节词,双写结尾的辅音字母,再加-er,-est big
hot
thin bigger
hotter
thinner biggest
hottest
thinnest
大部分双音节词和多音节的词,在前面加 more,most interesting more interesting
most interesting
不规则变化
◇further不仅可以指“距离更远”,还可指“程度更深”。further study(进修)
elder仅用于同辈之间的排行,如: elder sister(姐姐)elder brother (哥哥)
less作为“更少”仅用来修饰不可数名词,修饰可数名词表示“更少”要用fewer。
原级 比较级 最高级
good/well better best
bad/badly/ill worse worst
many/much more most
little less least
far farther/further farthest/furthest
old older/elder oldest/eldest
(倍数)as+形容词原级/副词原级+as 和……一样……
Albert is as tall as his father.
The classroom is three times as big as that one.
not as/so +形容词原级/副词原级+as 不如……那样……
He is not so tall as I.
其它关于as…as的句型:
as … as one can:尽其所能
He began to run as fast as he could.
as … as possible:尽可能
Please help us as quickly as possible.
原级常用的句型结构
as…as之间也可以跟名词
as +形容词+ a/an +单数名词+as
He is as kind a person as his father. 他和他爸爸一样都是善良的人。
as + many/much+ 可数名词复数/不可数名词+as
I can carry as much paper as you can. 你能搬多少纸,我也能。
I have as many books as you do. 我的书和你的一样多。
We’ll give you as much help as we can. 我们将尽我们所能给你帮助。
as…as
(倍数)+形容词比较级/副词比较级+than
This lesson is easier than the last one.
Asia is four times larger than Europe.
the+比较级,the + 比较级 表示“越……,越……”
The more money you make, the more you spend.
比较级+ and +比较级 表示“越来越……”
He is getting worse and worse.
(注):比较级前一般不加冠词。但表示两者中较突出者,且比较级后又有名词或出现了of the two,这时比较级前一定要加the。
He is the taller of the two.
Which is the younger one, Lily or Lucy?
比较级常用的句型结构
比较级+than + any other +名词单数形式
Shanghai is larger than any other city in China.
(上海在中国这个范围内,所以用any other)
Shanghai is larger than any city in Jiangsu.
(上海不在江苏,所以只需用any)
比较级+than + the other +名词复数形式
Daniel is the most hard-working student in our class.
=