200 English Grammar Mistakes!: A workbook of Common Grammar and Punctuation Errors with Examples, Exercises and Solutions So You Never Make Them Again

influential
man in his time. 
If you have the name or title of a person in a sentence, use commas before
and after the name or title.
Incorrect: Do you Dan think he will come?
Will he the CEO appear in court tomorrow?
Would you pass me the salt? Yes Uncle, I will.
Correct: 
Do you, Dan, think he will come?
Will he, the CEO, appear in court tomorrow?
Would you pass me the salt? Yes, Uncle, I will.
Looking at the sentences above, you’ll discover that the comma in “do you,
Dan…” helps to make a clear, direct question to Dan specifically, if “he
thinks he will come.”Likewise the second statement, “Will he, the CEO…”
helps to let the listener know that the person to “appear in court tomorrow,” is
the CEO.
Avoid making comma errors when separating the calendar days, months and
years, and location.
Incorrect: My girlfriend and I met on July 15 1980 at the train station.
My mom and I are going to have our vacation on May 15th 2020 in
Dubai UAE. 

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Correct: 
My girlfriend and I met on July 15, 1980, at the train station.
My mom and I are going to have our vacation on May 15th,
2020, in Dubai, U.A.E. 
Avoid using a comma if you are omitting any part of the date in a sentence.
Incorrect: My grandpa died in October, last year.
They should travel in November, 2020.
Correct: 
My grandpa died in October last year.
They should travel in November 2020.
If you have compound sentences, use commas to separate each sentence to
have a clearer meaning.
Incorrect: Although he was not in class he did his best in the classwork.
He was even though you didn’t notice the best candidate for the
job.
Correct: 
Although he was not in class, he did his best in the classwork.
He was, even though you didn’t notice, the best candidate for
the job.
Use a comma when you have two or more independent clauses.
Incorrect: 
He quarreled with his wife before leaving home drove to his
friend’s house and went to the club.
Correct: 
He quarreled with his wife before leaving home, drove to his
friend’s house, and went to the club.
Avoid using a comma when you have “and” conjoining only two words or
entities.
 
Incorrect: You may share the fruits between her, and him.
Correct: 
You may share the fruits between her and him.
The only situation you may use a comma before “and” is in a compound

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independent sentence of at least three clauses.
Incorrect: 
Barrister Mike was a great man he was a magician a father of
three kids and was loved by many.
Correct: 
Barrister Mike was a great man, he was a magician, a father of
three kids
, and
was loved by many.
Use a comma when giving more details about someone or something. Please
pay attention to the errors students make, and learn the appropriate way in the
sentences below.
Incorrect: John the beloved who followed his master everywhere is in our
midst.
Mr. James the ruthless soldier was assassinated during the coup
d’état.
Apostle Paul who persecuted the Christians eventually became a
hardened preacher of the gospel of Jesus Christ.
Correct: 
John, the beloved, who followed his master everywhere, is in our
midst.
Mr. James, the ruthless soldier, was assassinated during the
coup d’état.
Apostle Paul, who persecuted the Christians, eventually became a
hardened preacher of the gospel of Jesus Christ.
Apply a comma to separate a question from a statement referring to the same
thing. Many students often commit this error as well. Rather than including a
comma, they use a period instead, and that is erroneous.
Incorrect:
He couldn’t go. Could he?
I can eat my cake now. Can I?
You can’t eat your cake and have it at the same time. Can
you?
Correct: 
He couldn’t go, could he?
I can eat my cake now, can I?

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You can’t eat your cake and have it at the same time, can
you?
Use a comma immediately after words such as