英语里逗号的使用规则

1、文档编码 : CH3O1N9U10I2 HK6E10O10L7L1 ZO10S4O5B10I2COMMA （逗号）1. In a Series Place a comma between three or more items connected by a coordinating conjunction在一系列三个或三个以上项目之间放置一个逗号由并列连接词连接 Caution: Do not place commas between two items separated by and or between three items separated from one another by

2、ands . 警告 :两个项目之间不加逗号隔开或由 and 三个项目之间彼此分开 Incorrect错误的 ：Correct: Remember to place a comma before the coordinating conjunction joining the last two elements of the series. Otherwise, the intended meaning of the sentence may not be clear. （记得把逗号并列连接词前加入的最终两个元素系列；否就 Confusing ：,句子的含义可能不清楚；）Confusing：2.

3、 Between Coordinate Adjectives Place commas between equal adjectives with no coordinating conjunction between them. （之间和谐的形容词与不公正的形容词之间加逗号和谐它们之间的结合；） Example: Incorrect: 3. Before FANBOYS between Independent Clauses in Compound Sentences （之前粉丝复合句句子独立子句之间的）The war lasted for two years, but very few p

4、eople supported it. （战争连续了两年 ,但是很少人支持它；）Caution: Do not place a comma between two items with FANBOYS when one item is not a complete sentence. （警告 :不要将两个项目之间的逗号粉丝当一个项目不是一个完整的句子；）Incorrect: Caution: Do not place a comma after the FANBOY. Incorrect: Note: The comma may be omitted between independent c

5、lauses if a sentence is very short.（注 :独立子句之间的逗号可以省略,假如一个句子很短；） Example: 4. Nonessential Adjective Clauses / Nonessential participial phrases - Separate unneeded adjective clauses and participial phrases from the rest of the sentence. （不必要的形容词子句 / 不必要的分词短语 -单独的不必要的定语从句和分词短语句子的其余部分）Caution: Do not se

6、parate needed adjective clauses and participial phrases from the rest of the sentence. （警告 :不区分定语从句和分词短语与句子的其余部分；） Incorrect: 5. Introductory Elements - Place a comma after certain introductory elements. 介绍元素一些介绍性的元素后面加逗号； A. Long prepositional phrases or a succession of prepositional phrases Exampl

7、es: Note: With short introductory prepositional phrases, the comma is optional. 留意 :简短的介绍性的介词短语 ,逗号是可选的； Examples: B. Participial phrases分词短语 Examples: C. Gerunds as objects of prepositions（动名词和介词的对象） Example: 6. To separate Interrupters （分别的打扰者）A. Parenthetical expressions and transitions in my opinion, unfortunately, moreover,