用所给词的适当形式填空。1. He ________ (weigh) more than 20 kilos when he was 4 years old.2. His room is big, but mine is ________ (beautiful) than his. 3. -八年级英语
---- older , oldest / elder , eldest (GB)
三、下列形容词和副词的比较级和最高级有两种形式
cruel----- crueler, cruelest /more cruel , most cruel
strict---- stricter , strictest /more strict , most strict
often----- oftener , oftenest / more often , most often
friendly------ friendlier , friendliest / more friendly , most friendly
clever----- cleverer, cleverest / more clever , most clever
四、下列形容词和副词没有比较级和最高(即表示”最高程度”或”绝对状态”的形容词和副词没有比较级和最高级)
empty , wrong , perfect , unique , extreme , excellent , favourite (GB)/ favorite (GA) , true , right , correct , extremely ...
形容词比较等级用法:
1.没有比较对象时,用原级。
I have a new computer.
2.两者比较,程度相同。
A+系动词+as+adj.+as+B.
Our school is as beautiful as theirs.
3.两者比较,程度不同。
A+系动词+not as+adj.+as+B.
The weather here is not as hot as that in the south.
4.A比B更…
The earth is bigger than the moon.
5.比较级前可以用much,even,still,far,a lot,a little,a bit,any等修饰。
Your room is much bigger than mine.
I’m a little shorter than her.
6.用比较级可以表示最高级含义:
John is stronger than any other boy in his class.=John is stronger than any of the other boys.
两者不属于同一范畴,不能用other.
Chongqing is bigger than any city in Sichuang.
7.“比较级+and+比较级” 表示“越来越…”
China is becoming more and more beautiful.
Days are getting longer and longer.
8.用the+比较级,the+比较级 表示”越…就越…”.
The busier he is, the happier he feels.
9. Which/Who+is+比较级 A或B?
A和B哪一个/谁更…?
Which is better,this one or that one?
最高级用法:
表示三者或三者以上的人或物的比较,一个在某方面超过其他两个或多个时,用最高级,结构是
主语+系动词+the+形容词最高级+of/in短语。
This story is the most interesting of the three.
1. one of the+形容词最高级+名词复数
它的意思是最…之一。
English is one of the most important languages in the world.
2. which/who…+is+形容词最高级
“…最...”
Which is the heaviest,the horse,the sheep or the elephant?
3.最高级前可以用序数词
The Yellow River is the second longest river in China.
构成 |
原级 |
比较级 |
最高级 |
一般加er,est |
tall |
taller |
tallest |
以字母e结尾只 |
large |
larger |
largest |
以一个辅音字母结尾的 |
red |
redder |
reddest |
hot |
hotter |
hottest | |
thin |
thinner |
thinnest | |
|
easy |
easier |
easiest |
happy |
happier |
happiest | |
ugly |
uglier |
ugliest | |
early |
earlier |
earliest | |
其他双音节词和多 |
interesting |
more interesting |
most interesting |
考点名称:不定式
- 动词不定式:
指由to加上动词原形(而且只能是动词原形)所构成的一种非限定性动词,但在有些情况下to可以省略。
动词不定式在语法功能上可作主语、宾语、宾语补足语、表语、定语和状语。 - 动词不定式可以作以上各种成分,但它毕竟是动词,所以有动词的属性。
动词不定式及其短语还可以有自己的宾语、状语,虽然动词不定式在语法上没有表面上的直接主语,但它表达的意义是动作,这一动作一定由使动者发出。
这一使动者我们称之为逻辑主语,其形式如下:
时态 主动形式 被动形式 一般式 (not) to do (not) to be done 完成式 (not) to have done (not) to have been done 进行式 (not) to be doing 完成进行式 (not) to have been doing - 不定式的用法:
1、不定式作主语
例如:To remember this is very important.
注意:为了避免头重脚轻,在许多情况下,通常都将作主语的不定式置于句子后部,而在句首主语位置使用形式主语it。
例如:It is very important to remember this.
2、不定式作表语
例如:He seems to be ill.
注意:不定式作表语主要有三种情况,一是用于seem, appear, prove等系动词之后的不 定式(尤其是to be),
二是像My job is to sweep the floor. 这样的主语与表语“等价”的情形,
三是表示想法、约定、义务、命令、可能性、命运等,如:
You are to come when I call.
3、不定式作宾语
例如:I can not afford to buy a car.
注意:
①不定式不仅用作动词的宾语,还可用作个别介词(but, except)的宾语。
例如:I had no choice but to wait.
②当作宾语的不定式后跟有宾语补足语时,通常要用形式宾语it代替不定式,并将真正的宾语不定式置于宾语补足语之后
例如:I find it difficult to learn Japanese well.
4、不定式作宾语补足语
例如:Who taught you to drive?
5、不定式作定语
例如:I have a question to ask you.
注意:有的名词(如way, chance, right等)后用作不定式可换成of doing sth.
如:It is the best way to do (of doing) it.
但是以下名词后接不定式作定语时通常不能换成of doing sth.
attempt courage decision effort fortune failure invitation wish
6、不定式作状语
例如:I went to France to learn French.
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