Punctuation marks

When to use a comma?(,)

1- Use a comma between the items in a series.
e.g. I like to read, to swim, to cook, and to sleep.

2- Use a comma to separate a direct address to someone from the rest of the sentence.

e.g. Bob, I plan to arrive at 3:30 P.M. on your birthday.

3- Use a comma to set off nonessential information.

e.g. Bob, who is my brother, lives in Miami.

4- Use a comma to separate introductory information.
e.g. Walking quickly through the field, I reached the trees.

5- Use a comma to introduce a short quote.
e.g. Mother said, “ Why don’t you come for a visit?”

6- Use a comma to separate two complete sentences when you also use one of the following words: and, or, nor, for, yet, so, but.
e.g. We had planned to go for a picnic, but it began to rain.

Use commas wherever they are necessary. Note that not all sentences need them.

…….1- The advertising industry which is one of the largest industries employs staff.
……2- A company that wants to be successful must spend a great deal of money on advertising.
……3- Advertising is essential to the free enterprise system yet it can be annoying.
……4- You know that drinking makes you fat and smoking makes you sick don’t you?
…… 5- Smoking as everyone knows do not make you more attractive.
…… 6- He swims for an hour every day for example.
…… 7- Many people object to ads that encourage the use of cigarettes.
…… 8- In the last few years advertising agencies have started to hire young people.
…… 9- My father on the other hand has always eaten lightly.
…… 10- She speaks English Spanish and French.
…… 11- It is not logical is it?
…… 12- Nervously I threw away my cigarettes.

  • Exclamation marks are used to show surprise or excitement. E.g. What a nice car! E.g. How expensive that is!

A period is used in two places. First, it is used at the end of a sentence. E.g. She is a wonderful friend. Second, it is used for abbreviations like Dr., Mr., Ms.,

Question marks are used to show direct questions. E.g. Where is she?


A semicolon is used for:

1- If you have a list that includes commas for some of the items, you should separate the items in the list with semicolon.

e.g. Kristina, our German student; Stephan, Joe’s friend; Kate, my aunt; and Joe enjoyed the picnic.

2- To separate two sentences that are closely related to each other.

e.g. The party is really popular; lots of people from all over the world attended it.


A quotation mark is used to express directly what someone else has said without even changing a word of it.

Sara said, “ Don’t play the piano all day.”


A colon is used for:

1- long quotations

E.g. Steve Harvey said: “ Failure is a great teacher, and I think when you make mistakes and you recover from them and you treat them as valuable learning experiences, then you have got something to share.”

2- Introduce a list

e.g. He brought the following items: books, pencils, paper, and pen.

3- Join two sentences when the second explains the first.

e.g. John was a wonderful quest: He made his own bed, helped with the dishes, and even brought a basket of fruit.

Mark the sentences as C(correct) or I (incorrect. Use commas, colons, semicolons, question marks, quotation marks, exclamation marks, and period wherever it is needed.

…… 1- Computer use is increasing computer crime is too.
…… 2- Homework is boring therefore I never do it.
…… 3- I need the following groceries eggs milk and coffee.
…… 4- is it eight o’clock she asked.
…… 5- Stop smoking today she advised.
…… 6- My uncle however refuses to go on a diet.
…… 7- The meeting ended at dawn nothing had been decided.
…… 8- My father never cries in fact he never shows any emotions at all.
…… 9- He has one great love in his life himself.
…… 10- Dear Mr. Smith please call me.
…… 11- we have already eaten we answered.
…… 12- Writing essays is easy it just takes a little practice.

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