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Possible Duplicate:
Is there a grammar rule behind the hyphen in the phrase 'one-act play'?

Okay, so it might sound like a primitive question. However, I can find out a reasoning or maybe which form is correct.

The sentence is

This is a three parts series.

I'm not sure if I should add the delimiter or not; and maybe there is a possession "'s", and I'm not quite sure of that. So any help with explanation would be great!

Community
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Omar Abid
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1 Answers1

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I would write it like this:

This is a three-part series.

No s, with a hyphen. As for why, when you put a compound adjectival phrase (like three-part) in front of a noun, you hyphenate it.

JLG
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