1. He is well known for his science fiction stories and novels. 2. He is well-known for his science fiction stories and novels. 3. He's a well known actor. 4. He's a well-known actor.
Are #2 and #4 correct, and are the others wrong?
Top answer
The hyphen is used only when well known modifies a noun. He is well known for his science fiction stories and novels. He's a well-known actor .
— RandomGuy
The hyphen is used only when well known modifies a noun.
He is well known for his science fiction stories and novels.
He's a well-known actor .
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