SAT文法易错题—逗号的错误使用解析

6月SAT大考结束,紧接着8月份考试就来啦!有考试规划的同学一定要抓住最后两个月的备考时间~

在准备SAT文法考试时,很多同学都会发现一个小小的标点符号——逗号,竟然成了让人头疼的大问题。尽管我们每天写作文、写作业都在用逗号,但在考试中,逗号的使用规则却让人觉得有些陌生,甚至有些容易出错。逗号不仅仅是停顿的标志,它还涉及到句子的结构和逻辑。为了帮大家在SAT文法考试中顺利过关,本期就跟着Alex老师轻松聊聊逗号的正确用法和常见的误区,让你在考试中不再为它烦恼。

首先我们来看看常考的几种逗号的错误用法:

A

介词前后不应使用逗号

✘ 错误用法:

1.Ada Lovelace and Charles Babbage were two of the most influential figures, inthe history of computer science and mathematics.

2.Ada Lovelace and Charles Babbage were two of the most influential figures in,the history of computer science and mathematics.

在这些例子中,逗号不应该出现在介词"in"之前或之后。

✔ 正确用法:

1.Ada Lovelace and Charles Babbage were two of the most influential figures inthe history of computer science and mathematics.

这个句子没有在介词"in"前后使用逗号,符合正确的用法。

♦例外情况:非必要性从句中的介词

唯一的例外是当介词用来开始一个非必要性从句时,这时可以在介词前使用逗号。

✔正确用法:

1.Although Ada Lovelace lived nearly a century before the first computer was built, she, in a way thatwas unique among nineteenth-century mathematicians, foresaw many of the modern computer's capabilities.

在这个例子中,介词"in"用于开始一个非必要性从句,因此前面使用了逗号。这种用法是正确的。

B

形容词和名词之间不应使用逗号

✘错误用法:

1.Headquartered in New York City, the National Academy of Television Arts and Sciences (NATAS) is a well-knownnational, organizationwith local chapters in cities around the United States.

在这个例子中,逗号错误地放在了形容词"national"和名词"organization"之间。

✔ 正确用法:

1.Headquartered in New York City, the National Academy of Television Arts and Sciences (NATAS) is a well-known national organizationwith local chapters in cities around the United States.

在这个正确的例子中,形容词"national"和名词"organization"之间没有逗号,符合正确的用法。

C

第一个形容词修饰第二个形容词时不应使用逗号

如果第一个形容词修饰第二个形容词,或者如果这两个形容词之间不能用“and”分隔,则不需要使用逗号。

✘错误用法:

1.Created in Jamaica during the late 1960s, reggae music emerged from a number of sources ranging from traditional, African songsand chants to contemporary jazz.

在这个例子中,“traditional”修饰“African songs”,因此这两个形容词之间不应有逗号。

✔正确用法:

1.Created in Jamaica during the late 1960s, reggae music emerged from a number of sources ranging from traditional African songsand chants to contemporary jazz.

在这个正确的例子中,没有在“traditional”和“African songs”之间使用逗号,因为第一个形容词“traditional”是用来修饰第二个形容词“African songs”的。

D

主语和动词之间不应使用逗号

主语和动词之间不应有逗号,除非它们被一个非必要性从句分隔开。

✘错误用法:

1.Ada Lovelace and Charles Babbage, weretwo of the most influential figures in the history of computer science and mathematics.

在这个例子中,逗号错误地放在了主语“Ada Lovelace and Charles Babbage”和动词“were”之间。

✔正确用法:

1.Ada Lovelace and Charles Babbage weretwo of the most influential figures in the history of computer science and mathematics.

在这个正确的例子中,主语和动词之间没有逗号,符合正确的用法。

复杂主语情况下的用法:

即使主语非常长和复杂,也不应在主语和动词之间使用逗号,即使你觉得在语气上需要停顿。

✘ 错误用法:

1.What is particularly remarkable about Ada Lovelace's work on Charles Babbage's "analytical engine," isthat Lovelace foresaw many of the ways in which computers are used today.

在这个例子中,逗号错误地放在了主语“What is particularly remarkable about Ada Lovelace's work on Charles Babbage's 'analytical engine'”和动词“is”之间。

✔正确用法:

1.What is particularly remarkable about Ada Lovelace's work on Charles Babbage's "analytical engine" isthat Lovelace foresaw many of the ways in which computers are used today.

在这个正确的例子中,主语和动词之间没有逗号,符合正确的用法。

非必要性从句的例外情况:

如果主语和动词之间有一个非必要性从句,则可以在主语和动词之间使用逗号。

✔正确用法:

1.Ada Lovelace, who was a brilliant mathematician, foresawmany of the ways in which computers are used today.

在这个例子中,非必要性从句“who was a brilliant mathematician”分隔了主语“Ada Lovelace”和动词“foresaw”,因此使用逗号是正确的。

E

复合项之间不应使用逗号

当两个名词、动词、形容词等由"and"连接时,不应该使用逗号。一个简单的方法是将“逗号+and”替换成句号。如果这两个部分不能组成完整的句子,那么就不应该使用逗号。

复合名词

✘ 错误用法:

1.Ada Lovelace, andCharles Babbage were two of the most influential figures in the history of computer science and mathematics.

• 替换法:

·Ada Lovelace. Charles Babbage were two of the most influential figures in the history of computer science and mathematics.

这个句子显然是不完整的,因为“Charles Babbage were two of the most influential figures in the history of computer science and mathematics”不是一个完整的句子。

✔ 正确用法:

1.Ada Lovelace and Charles Babbage were two of the most influential figures in the history of computer science and mathematics.

复合形容词

✘错误用法:

1.Ada Lovelace and Charles Babbage were two of the most important, andinfluential figures in the history of computer science and mathematics.

•替换法:

·Ada Lovelace and Charles Babbage were two of the most important. Influential figures in the history of computer science and mathematics.

这个句子也显然是不完整的,因为“Influential figures in the history of computer science and mathematics”不是一个完整的句子。

✔正确用法:

1.Ada Lovelace and Charles Babbage were two of the most important and influential figures in the history of computer science and mathematics.

F

“Self”词之前或之后不应使用逗号

“Self”词(如myself, itself, themselves等)用于强调特定的人或物。在这些词之前或之后不应使用逗号,除非是为了设置非必要从句或分隔两个独立的句子。

✘ 错误用法:

1.The Tower of London, which lies within the Borough of Tower Hamlets, is separated from the city, itself by a stretch of open space.

2.The Tower of London, which lies within the Borough of Tower Hamlets, is separated from the city, itself,by a stretch of open space.

✔ 正确用法:

1.The Tower of London, which lies within the Borough of Tower Hamlets, is separated from the city itself by a stretch of open space.

在正确的例子中,没有在“city”和“itself”之间或“itself”之后使用逗号。

大多数情况下,在强调代词之后使用逗号也是不正确的

✘错误用法:

1.The Tower of London, which lies within the Borough of Tower Hamlets, is separated from the city itself,by a stretch of open space.

特殊情况:在FANBOYS连接词之前或设置非必要从句时可以使用逗号。

当逗号用于设置非必要从句或在FANBOYS连接词之前分隔两个独立句时,逗号的使用是正确的。

✔正确用法:

1.The Tower of London is separated from the city itself, but it is nevertheless one of London's most popular tourist attractions.

在这个例子中,逗号加上“but”用于分隔两个独立的句子,第一个句子恰好以“itself”结尾。

这篇文章简单介绍了SAT文法题目中逗号的常见使用错误,下次的文章中我们将继续介绍逗号的几种正确用法。

 

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