I.主谓搭配和代词指代(七大类型)
(vi)出现句首名(vii)词+长串修饰考主谓搭配的可能性很大;
(viii)在英文中永远只有主谓搭配，同(ix)位语对谓语动词单复(x)数没有影响
Five hundred students each have a computer.
Each of five hundred students have a computer.
Leaf and *** material, the most *** parts, Vt.s
Five hundred students, groups each have a computer.
(xi)倒装句(搞清主语在哪)
a、介词在句首
b、状语+句子谓语动词+主语(完全倒装)
c、极端形容词或So放在句首
(xii)Never, Whether, What, Should在一个完整句子做整个句子的主语，(xiii)谓语动作用单数。
(xiv)代词指(xv)代，同(xvi)样一句话中相同(xvii)的代词指(xviii)代相同(xix)的事物：they, them, their在一句话中必须指(xx)代同(xxi)主体。推论：It在句首做形式主语，后面it不能指代同一主体。如果出现这样的选项，一定错!
(xxii)Exoneration and his freedom例题：泛指(xxiii)和特指(xxiv)不(xxv)能对称;代词是个特指(xxvi)概念，(xxvii)不(xxviii)能随意丢失，(xxix)否则句子意思发生变化。
8GMAT中所有代词都不用来指代整个句子，只能是特定的名词或主体。但是当it在句首做形式主语时，可以指代：
1、后面的不定式
2、后面的that从句
3、如：It is you who is my friend that……
II.固定搭配的错误
(xxx)require somebody to do something that +虚拟语气省略should of somebody that +虚拟语气省略should (xxxi)as的固定搭配begin as, depict as, regard as, perceive as, represent as, see as, be prizeless as, be acclaimed as, think of as, be seem as (xxxii)to be: consider something (省略to be) something [正确答案的出现方式] (xxxiii)help
a)help somebody to do something
b)help (to do) something
c)helpful in doing
(xxxiv)at point; at pole; at equator; aim at doing something
(xxxv)forbid somebody to do something; forbid something
(xxxvi)prohibit somebody from doing something; prohibit something
(xxxvii)compare A to B (把A比作B)
(xxxviii)compare A with B (相同(xxxix)事物比较)
(xl)in that标(xli)准书面英语，(xlii)汉译为"原因体现在"
(xliii)more ancient标(xliv)准书面英语
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