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　　在中，单独考察的题几乎没有，但是语法知识点却贯穿整张试卷，下面是小编为大家整理的英语四级语法知识，希望可以为大家带来帮助，一起来学习一下吧。
　　 4.12 the 高级 比较范围
　　1) The Sahara is the biggest desert in the world. 形容词高级前通常必须用定冠词 the，副词高级前可不用。 形容词most前面没有the，不表示高级的含义，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) 下列词可修饰高级，by far, far, much, mostly, almost This hat is nearly / almost the biggest. 注意： a. very可修饰高级，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"结构表示高级含义。 Nothing is so easy as this. =Nothing is easier than this. =This is the easiest thing.