大学英语四级语法大全目录
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.
2018年6月四级语法用法辨析：according to的用法
英语四级语法用法辨析：according to的用法
1. 主要用来表示“根据”某学说、某书刊、某文件、某人所说等或表示“按照”某法律、某规定、某惯例、某情况等：
According to the timetable, the train gets in at 8: 27. 根据时刻表，火车8:27进站。
According to the weather forecast, we shall have rain tomorrow. 根据天气预报，明天会下雨。
According to John there will be a meeting next week. 据约翰说，下星期有个会议。
Each man will be paid according to his ability. 每个人将根据他的能力获得报酬。
2. 表示“根据”、“按照”时，主要用来引出状语，一般不用来引出表语：
这本书是根据一个真实故事写的。
正：The book is based on a true story.
误：The book is according to a true story.
当它表示“合乎”、“符合”时，可用来引出表语：
It is not according to his nature to give praise. 他本性不喜欢颂扬。
3. 其后一般不接 view (看法) 和 opinion (意见) 这类词，也不接表示第一人称的代词 (me, us)：
正：In my opinion, the film is wonderful. 依我看，这部电 影很不错。
误：According to my opinion, the film is wonderful.
误：According to me, the film is wonderful.
英语四级语法：many,old 和 far
大学英语四级语法大全目录
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.
From:https://www.zgghmh.com/CET-4/20000917.asp