Business Grammar Training

Test Your Knowledge of Commas


Presented by the Business Writing Center,
training business writers since 1997


1. Select the sentence that uses commas correctly (a, b, c, or d) from the four choices. Only one of the four sentences uses commas correctly.

a) Moreover their network server is not protected from hackers.

b) Moreover, their network server is not protected from hackers.

c) Moreover their network server is not protected, from hackers.

d) Moreover, their network server is not protected, from hackers.

e) Don’t Know

2. Select the sentence that uses commas correctly.

a) One example, offered by a prominent scholar of linguistics illustrates the point.

b) One example, offered by a prominent scholar of linguistics, illustrates the point.

c) One example offered by a prominent scholar of linguistics illustrates the point.

d) One example offered by, a prominent scholar of linguistics, illustrates the point.

e) Don’t Know

3. Select the sentence that uses commas correctly.

a) Many states like Kansas for example, experience severe tornados every spring.

b) Many states like Kansas, for example, experience severe tornados every spring.

c) Many states, like Kansas for example, experience severe tornados every spring.

d) Many states, like Kansas, for example, experience severe tornados every spring.

e) Don’t Know

4. Select the sentence that uses commas correctly.

a) letters are not the place for apologies nor any business speculation.

b) Letters are not the place for apologies, nor, any business speculation.

c) Letters are not the place for apologies, nor any business speculation.

d) letters are, not the place, for apologies, nor any business speculation.

e) Don’t Know

5. Select the sentence that uses commas correctly.

a) To convert to kilograms, multiply the number of pounds by .45.

b) To convert to kilograms, multiply the number of pounds, by .45.

c) To convert, to kilograms, multiply the number of pounds by .45.

d) To convert to kilograms multiply the number of pounds by .45.

e) Don’t Know

6. Select the sentence that uses commas correctly.

a) Connecticut, Massachusetts, and, New Hampshire are New England states.

b) Connecticut, Massachusetts, and New Hampshire, are New England states.

c) Connecticut Massachusetts, and New Hampshire, are New England states.

d) Connecticut, Massachusetts, and New Hampshire are New England states.

e) Don’t Know

7. Select the sentence that uses commas correctly.

a) Tom stated, that since 1977 he has owned six two-story, houses.

b) Tom stated that, since 1977, he has owned six, two-story houses.

c) Tom, stated that since 1977, he has owned six, two-story houses.

d) Tom stated that since 1977 he has owned six two-story houses.

e) Don’t Know

8. Select the sentence that uses commas correctly.

a) Viola Thompson, 49, Detroit, Michigan, was admitted to the hospital on Friday.

b) Viola Thompson, 49, Detroit, Michigan, was admitted to the hospital, on Friday.

c) Viola Thompson, 49, Detroit Michigan, was admitted to the hospital on Friday.

d) Viola Thompson 49 Detroit, Michigan, was admitted to the hospital on Friday.

e) Don’t Know

9. Select the sentence that uses commas correctly.

a) He was visiting his sister in Oregon but he left when he became ill.

b) He was visiting his sister in Oregon, but he left, when he became ill.

c) He was visiting his sister in Oregon but he left, when he became ill.

d) He was visiting his sister in Oregon, but he left when he became ill.

e) Don’t Know

10. Select the sentence that uses commas correctly.

a) His sister, Ida Camp, could not be located, before May 11.

b) His sister Ida Camp, could not be located before, May 11.

c) His sister, Ida Camp, could not be located before May 11.

d) His sister, Ida Camp, could not be located, before May 11.

e) Don’t Know

11. Select the sentence that uses commas correctly.

a) The three category codes are sports stories, standings, and results of more than one event.

b) The three category codes are sports stories, standings, and results, of more than one event.

c) The three category codes, are sports stories, standings and results of more than one event.

d) The three category codes, are sports stories, standings, and results of more than one event.

e) Don’t Know

12. Select the sentence that uses commas correctly.

a) Tone, like style, ranges across a spectrum, between dull and extravagant.

b) Tone like style ranges across a spectrum, between dull and extravagant.

c) Tone, like style, ranges across a spectrum between dull and extravagant.

d) Tone, like style ranges, across a spectrum between dull and extravagant.

e) Don’t Know

13. Select the sentence that uses commas correctly.

a) In September, 1999, the contractor obtained a temporary building permit.

b) In September 1999, the contractor obtained a temporary building permit.

c) In September 1999, the contractor obtained a temporary, building permit.

d) In September, 1999, the contractor obtained a temporary, building permit.

e) Don’t Know

14. Select the sentence that uses commas correctly.

a) The diligent proofreader has completed his work, having checked for errors in spelling, punctuation, and capitalization.

b) The diligent proofreader, has completed his work, having checked for errors in spelling punctuation, and capitalization.

c) The diligent proofreader has completed his work, having checked for errors, in spelling, punctuation, and capitalization.

d) The diligent, proofreader has completed his work, having checked for errors in spelling, punctuation, and capitalization.

e) Don’t Know

15. Select the sentence that uses commas correctly.

a) By 2004 25 percent of the companies had folded.

b) By 2004 twenty-five percent of the companies had folded.

c) By 2004, 25 percent of the companies had folded.

d) By 2004 – 25 percent of the companies had folded.

e) Don’t Know

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