Which sentence correctly uses commas to separate the nonessential element? The James Madison Memorial Building built in 1981, ho
uses the Folger Shakespeare Library. The James Madison Memorial Building, built in 1981, houses the Folger Shakespeare Library. The James Madison Memorial Building, built in 1981 houses the Folger Shakespeare Library. The James Madison Memorial Building built in 1981 houses the, Folger Shakespeare Library.
The sentence that correctly uses commas to separate the nonessential element is: The James Madison Memorial Building, built in 1981, houses the Folger Shakespeare Library. The phrase "built in 1981" is enclosed with a pair of commas because this is just an additional information about the subject and can be omitted without affecting the whole thought of the sentence.
