Identify and correct errors with plural and possessive nouns
Commas with nonrestrictive elements
Use semicolons and commas to separate clauses
100

Fix the two plural or possessive errors.

Georgia O'Keeffe was a well-known American painter The artists work combined abstract and representational elements an innovative approach that made her stand out among her American contemporaries'.

Georgia O'Keeffe was a well-known American painter The artist's work combined abstract and representational elements an innovative approach that made her stand out among her American contemporaries.

100

Find the relative clause. If it is nonrestrictive, set it off with commas. If it is restrictive, submit the text without making any changes.

My kitchen floor which is composed of detailed geometric tilework was inspired by traditional Greek designs.

My kitchen floor, which is composed of detailed geometric tilework was inspired by traditional Greek designs.

100

Add a comma or semicolon if needed after the bolded word. Otherwise, submit the text without any additional punctuation.

The Star of India sapphire, a gem weighing 536 carats, was stolen from the American Museum of Natural History in 1964 it was later recovered in a Miami bus station.

The Star of India sapphire, a gem weighing 536 carats, was stolen from the American Museum of Natural History in 1964; it was later recovered in a Miami bus station.

200

Fix the one plural or possessive error.

Blue whales are the largest animal's on earth A blue whale's heart is about the size of a small car and its tongue is so big a professional football team could stand on it.

Blue whales are the largest animals on earth A blue whale's heart is about the size of a small car and its tongue is so big a professional football team could stand on it.

200

Find the relative clause. If it is nonrestrictive, set it off with commas. If it is restrictive, submit the text without making any changes. 

Due to its time zone, American Samoa which lies in the South Pacific Ocean is among the last places to celebrate the New Year.

Due to its time zone, American Samoa which lies in the South Pacific Ocean, is among the last places to celebrate the New Year.

200

Add a comma or semicolon after the bolded word if needed. Otherwise, submit the text without any additional punctuation.

Until I started exercising regularly I had no energy and suffered from insomnia.

Until I started exercising regularly, I had no energy and suffered from insomnia.

300

Fix the two plural or possessive errors.

Originally state's required voters to be land-owning white males. However the Fifteenth Amendment to the U.S Constitution was passed to prohibit states from restricting voting rights based on race or color and the Nineteenth Amendment was passed to protect womens' right to vote.

Originally states required voters to be land-owning white males. However the Fifteenth Amendment to the U.S Constitution was passed to prohibit states from restricting voting rights based on race or color and the Nineteenth Amendment was passed to protect women's right to vote.

300

Find the relative clause. If it is nonrestrictive, set it off with commas. If it is restrictive, submit the text without making any changes.

The jazz quartet hired Charlie who has perfect pitch to contribute backup vocals to its recording of "Stardust."

The jazz quartet hired Charlie, who has perfect pitch, to contribute backup vocals to its recording of "Stardust."

300

Add a comma or semicolon after the bolded word if needed. Otherwise, submit the text without any additional punctuation.

In 1999, New York Knicks Hall of Famer and U.S. Senator Bill Bradley announced his candidacy for presidency but lost the Democratic nomination to Al Gore.



In 1999, New York Knicks Hall of Famer and U.S. Senator Bill Bradley announced his candidacy for presidency but lost the Democratic nomination to Al Gore.

400

Fix the two plural or possessive errors.

Frank Lloyd Wright's Fallingwater is a remarkable architectural feat. Featured on Time magazines cover in 1938 and granted National Historic Landmark status in 1976, the house sits atop a waterfall, whose rushing water's can be heard but not seen.


Frank Lloyd Wright's Fallingwater is a remarkable architectural feat. Featured on Time magazine's cover in 1938 and granted National Historic Landmark status in 1976, the house sits atop a waterfall, whose rushing waters can be heard but not seen.

400

Find the appositive. If it is nonrestrictive, set it off with commas. If it is restrictive, submit the text without making any changes.

The Stone of Scone a block of sandstone has been used in coronation ceremonies in Britain for hundreds of years.

The Stone of Scone, a block of sandstone, has been used in coronation ceremonies in Britain for hundreds of years.

400

Add a comma or semicolon after the bolded word if needed. Otherwise, submit the text without any additional punctuation.

With just a pair of scissors and some electrical tape, Linda decorated her old refrigerator the pattern she created was inspired by traditional Turkish rugs.


With just a pair of scissors and some electrical tape, Linda decorated her old refrigerator; the pattern she created was inspired by traditional Turkish rugs.

500

Fix the one plural or possessive error.

A new vintage women's clothing store has just opened up in downtown Washington. The shop carries clothing styles' from several different decades and is sure to appeal to customers with eclectic tastes.

A new vintage women's clothing store has just opened up in downtown Washington. The shop carries clothing styles from several different decades and is sure to appeal to customers with eclectic tastes.

500

Find the relative clause. If it is nonrestrictive, set it off with commas. If it is restrictive, submit the text without making any changes.

Prior to becoming the thirty-ninth president of the United States, Jimmy Carter had to assume control of his family's farm which was struggling to stay operational.

Prior to becoming the thirty-ninth president of the United States, Jimmy Carter had to assume control of his family's farm, which was struggling to stay operational.

500

Add a comma or semicolon after the bolded word if needed. Otherwise, submit the text without any additional punctuation.

"Since Leah started attending culinary school last spring she's become far more discerning in her restaurant choices," Greg observed.


"Since Leah started attending culinary school last spring, she's become far more discerning in her restaurant choices," Greg observed.

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