2016年3月, 新 SAT 语法以崭新的形式(Writing and Language Test， 即写作语言测试)出现在 Evidence-Based Reading and Writing 这部分里。而且跟旧 SAT 不一样的是，新的 SAT 加入了一个全新的语法点——标点符号。其中逗号的考查是最常见的，那么下面小编为大家介绍的就是新SAT语法小逗号的大作用的内容，希望对大家有帮助。
1. 逗号：用于连接一个句子中的并列成分(公式：a and b 或者a, b, and c)
真题讲解：新SAT OG-T1-Q4：Whey to Go
Yogurt manufacturers, food [Q4] scientists; and government officials are also working together to develop additional solutions for reusing whey.
Question 4
A. NO CHANGE (scientists; and)
B. scientists: and
C. scientists, and
D. scientists, and,
本题中，yogurt manufacturers, food scientists与government officials是并列成分，按照我们的标点公式：a, b, and c, 正确答案为C。
2. 逗号：用于分隔插入语(同位语，非限，状语从句等)(公式：S,……, VO 或者 S, who/which……, VO)
真题讲解：新SAT OG-T3-Q41：More than One Way to Dress a Cat
The person chosen for this [Q41] task, digital artist, Eldar Zakirov painted the cats in the style traditionally used by portrait artists, in so doing [Q42] presenting the cats as noble individuals worthy of respect.
Question 41.
A. NO CHANGE (task, digital artist, Eldar Zakirov)
B. task, digital artist, Eldar Zakirov,
C. task digital artist Eldar Zakirov,
D. task, digital artist Eldar Zakirov,
第[Q41] 题中，主语是The person chosen for this task, 谓语动词是painted, 插入语部分是digital artist Eldar Zakirov，按照我们的标点公式：S,……, VO. 正确答案为D。》》新SAT语法中逗号的多种用法
3. 逗号：用于连接词FANBOYS (FANBOYS-for, and, nor, but, or, yet, so )之前。(公式： SVO, for/and/nor/but/or/yet/so SVO)
例子：He asked the question in a loud voice, but no one answered.
(特别注意：however前后的标点公式：SVO. However, SVO或SVO; however, SVO 或S, however, VO)
4. 逗号，用于状语从句、介词短语或分词短语后
例句：When the bell rang, the teacher dismissed the class. 或者In the ancient palace, they saw the throne where emperors used to sit.
(注意，如果状语从句在主句之后，逗号通常省略。例如： The teacher dismissed the class when the bell rang.)
“标点很要紧。如果一个人标点不大会用,说明他语言不够清楚。”这是叶圣陶先生曾经强调过的。标点是辅助文字记录语言的一套符号,是文章里不可缺少的组成部分。》》新SAT语法中引入标点符号类考题
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