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31 votes
GUYS I HAVE AN IMPORTANT QUESTION

When do we put two hyphens instead of one in compound adjective?
like He's a 5-year-old boy?​

User Lily Ballard
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1 Answer

8 votes
8 votes

Answer:

Generally, hyphenate two or more words when they come before a noun they modify and act as a single idea. This is called a compound adjective.

User Ilona
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