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Answer : Commas with Nonessential Elements Exercise 2

In this answer key for Exercise #2, the following answers are included:

C= sentence correctly punctuated for essential and nonessential elements.

X= sentence incorrectly punctuated for essential and nonessential elements

   C    1. The one woman who did not attend the meeting said that she had to study for her chemistry exam. [who did not attend the meeting is an essential clause, defining the specific woman in question.]

   X    2. He did not however intend to return the money he borrowed. [however is a Non-Essential word.]

   X    3. West Point cadets, who break the honor code, are expelled. [who break the honor code is an essential clause, defining a subset of cadets.]

   X    4. She was as a matter of fact chiefly interested in becoming a Hollywood celebrity. [as a matter of fact is a Non-Essential phrase.]

   C    5. Raul's wife, Conchita, is president of the local Red Cross. [Conchita is a Non-Essential word since Raul's wife already defines the specific person in question.]

   X    6. The German writer, Hermann Hesse, is a favorite with American college students. [Hermann Hesse is an essential term, defining the specific German writer in question.]

   X    7. The courthouse which was renovated recently was built in 1878. [which was renovated recently is a Non-Essential clause since the courthouse already defines the specific building in question.]

   X    8. Saul having forgotten to save his work lost all of his revisions when his computer crashed. [having forgotten to save his work is a Non-Essential phrase, merely modifying the word Saul.]

   C    9. St. Ignatius of Loyola, founder of the Society of Jesus, wrote his handbook of spiritual exercises in the sixteenth century. [founder of the Society of Jesus is a Non-Essential phrase, merely providing additional information about the subject.]

   X    10. The book, that your sister gave you for your birthday, won a National Book Award. [that your sister gave you for your birthday is an essential clause, defining the specific book in question.]

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Copyright ©1995-2018 by The Writing Lab & The OWL at Purdue and Purdue University. All rights reserved. This material may not be published, reproduced, broadcast, rewritten, or redistributed without permission. Use of this site constitutes acceptance of our terms and conditions of fair use.