2021大学英语四级语法目录汇总
1) The Sahara is the biggest desert in the world.
形容词最高级前通常必须用定冠词 the,副词最高级前可不用。
形容词most前面没有the,不表示最高级的含义,只表示"非常"。
It is a most important problem.
=It is a very important problem.
注意: 使用最高级要注意将主语包括在比较范围内。
(错) Tom is the tallest of his three brothers.
(对) Tom is the tallest of the three brothers.
2) 下列词可修饰最高级,by far, far, much, mostly, almost
This hat is nearly / almost the biggest.
注意:
a. very可修饰最高级,但位置与much不同。
This is the very best.
This is much the best.
b. 序数词通常只修饰最高级。
Africa is the second largest continent.
3) 句型转换:
Mike is the most intelligent in his class.
Mike is more intelligent than any other students in his class.
4) "否定词语+比较级","否定词语+ so… as"结构表示最高级含义。
Nothing is so easy as this.
=Nothing is easier than this.
=This is the easiest thing.
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2021英语四级语法动词:助动词do 的用法
2021大学英语四级语法目录汇总
1) 构成一般疑问句,例如:
Do you want to pass the CET? 你想通过大学英语测试吗?
Did you study German? 你们学过德语吗?
2) do + not 构成否定句,例如:
I do not want to be criticized. 我不想挨批评。
He doesn't like to study. 他不想学习。
In the past, many students did not know the importance of English. 过去,好多学生不知道英语的重要性。
3) 构成否定祈使句,例如:
Don't go there. 不要去那里。
Don't be so absent-minded. 不要这么心不在焉。
说明: 构成否定祈使句只用do,不用did和does。
4) 放在动词原形前,加强该动词的语气,例如:
Do come to my birthday party. 一定来参加我的生日宴会。
I did go there. 我确实去那儿了。
I do miss you. 我确实想你。
5) 用于倒装句,例如:
Never did I hear of such a thing. 我从未听说过这样的事情。
Only when we begin our college life do we realize the importance of English.
只有在开始大学生活时我们才认识到英语的重要性。
说明: 引导此类倒装句的副词有never, seldom, rarely, little, only, so, well等。
6) 用作代动词,例如:
---- Do you like Beijing? --你喜欢北京吗?
---- Yes, I do. --是的,喜欢。(do用作代动词,代替like Beijing.)
He knows how to drive a car, doesn't he?
他知道如何开车,对吧?
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2021英语四级语法形容词和副词:many,old 和 far
2021大学英语四级语法目录汇总
1) 如果后接名词时, much more +不可数名词
many more +可数名词复数
2) old 有两种比较级和最高级形式: older/oldest 和elder/eldest。 elder,eldest 只用于兄弟姐妹的长幼关系。
My elder brother is an engineer.
Mary is the eldest of the three sisters.
3) far 有两种比较级,farther,further. 在英语中两者都可指距离。
在美语中,father 表示距离,further表示进一步。
I have nothing further to say.
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From:https://www.zgghmh.com/CET-4/20001296.asp