article (absence of a)

"He is active person." is ungrammatical. There is no possible context in English where this would be acceptable.

It should be: "He is an active person."

moon7296Q) I saw #1. I was wondering if an article a should be added between "is" and "active."

Yes, but an, not a.

AnonymousThere is no possible context in English where this would be acceptable.

But there is one: someone with the family name of Person whose parents named them "Active."
He is John Doe.
He is Active Person.

moon7296 1. He is active person.Q) I saw #1. I was wondering if an article a should be added between "is" and "active."

It needs an article, but not "a". "an".

1. person is a common noun (not a proper noun)
2. person is not an abstract noun
3. person is countable
4. person is singular
5. person

CalifJim1. person is a common noun (not a proper noun)2. person is not an abstract noun3. person is countable4. person is singular5. person does not represent a roleOnce all of those apply, you must have a determiner; usually it's a (or an) or the.

Wow. The rule drawn is real practical