【SAT语法】语法中逻辑主语知识点

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一、常见形式

SAT语法中，逻辑主语问题的常见形式有下列几种：

1. 句子以现在分词开始

例如，

Lacking good instruction， my mistakes in creating a graph to illustrate

historical trends were numerous. ( 句子以现在分词lacking开始)

(A) my mistakes in creating a graph to illustrate historical trends were

numerous

(B) I made numerous mistakes in creating a graph to illustrate historical

trends

(C) there were numerous mistakes in the graph I created to illustrate

historical trends

(D) I created a graph to illustrate historical trends with numerous

mistakes

(E) The graph I made for illustrating historical trends had numerous

mistakes

2. 句子以过去分词开始

例如，

Carried by the strong， dry winds of the stratosphere， the 1980 eruption of

Mount Saint Helens caused dust that crossed the United States in three days and

circled the globe in two weeks. (句子以过去分词carried开始)

(A) the 1980 eruption of Mount Saint Helens caused dust that

(B) Mount Saint Helens’ eruption in 1980 caused dust that

(C) dust from the 1980 eruption of Mount Saint Helens

(D) dust from the 1980 eruption of Mount Saint Helens that

(E) there was dust from the 1980 eruption of Mount Saint Helens and it

3. 句子以介词加动名词开始

例如，

By simply entering an internet website or calling a toll-free number， a

catalog order can be placedfor almost anything from cheesecakes to fully

equipped desktop computers. (句子以介词by加动名词entering…or calling…开始)

(A) a catalog order can be placed

(B) by placing a catalog order

(C) they will place your catalog order

(D) you can place a catalog order

(E) your catalog order can be placed

4. 句子以连词加分词或形容词开始

例如，

While driving down the road， the house with the large yard and small pond

attracted the family’s attention. (句子以连词while加分词driving down…开始)

(A) the house with the large yard and small pond attracted the family’s

attention

(B) the house having the large yard and a small pond attracted the attention

of the family

(C) the house with the yard and small pond was attractive to the family’s

attention

(D) the family’s attention was attracted by the house with the large yard and

small pond

(E) the family was attracted to the house with the large yard and small

pond

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