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  Junior Editor

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  February 2022     2 years ago

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The "Jim's sister, Jane" example above is accurate ONLY if Jane is Jim's only sister. If he has multiple sisters, the name "Jane" is essential information (you need it to know which sister is being referred to), and no commas are used in that case. 

2 years ago


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Are you a grammar master?

Identify the sentence with correct use of the modal verb "must":
A He must to study for the exam.
B She must finish her homework before going out.
C They musts arrive on time.
D I must to go to the store.