SAT語法改進句子題型中，邏輯主語出現的形式很多，主要有以下幾個方面。
1. 在SAT語法改進句子題型中，邏輯主語經常以現在分詞作為句子的開頭
例如，Lacking good instruction, my mistakes in creating a graph to illustrate historical trends were numerous. ( 句子以現在分詞lacking開始)
(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. 在SAT語法改進句子題型中，邏輯主語也習慣以過去分詞作為開始
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. (句子以過去分詞carried開始)
(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. 在SAT語法改進句子題型中，以介詞加分詞開始也是邏輯主語出現的一種形式。
例如，By simply entering an internet website or calling a toll-free number, a catalog order can be placed for almost anything from cheesecakes to fully equipped desktop computers. (句子以介詞by加分詞entering…or calling…開始)
(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. 以連詞加分詞或形容詞開始的'形式在在SAT語法改進句子題型中也表明了邏輯主語的出現。
例如，While driving down the road, the house with the large yard and small pond attracted the family’s attention. (句子以連詞while加分詞driving down…開始)
(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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