"He is a twin." vs "He is twin."

Question

"He is a twin." vs "He is twin."

The correct phrase is "he is a twin." The article 'a' is necessary before the noun 'twin' to indicate that he is one of a pair of twins. Omitting the article 'a' in "he is twin." is incorrect in English.

Last Updated: March 29, 2024

This phrase is used to indicate that someone is one of a pair of twins. The article 'a' is necessary before the noun 'twin.'

Examples:

He is a twin, and his sister looks just like him.
She is a twin, but her brother is not.
I didn't know he was a twin until he introduced me to his brother.
Being a twin means you always have a built-in best friend.
Are you a twin, too?

Alternatives:

he is a twin.
he has a twin.
he and his twin are identical.
he is one of a pair of twins.
he is the younger twin.

Answer 1

He is a twin.

This phrase is correct and commonly used in English.

Answer 2

He is twin.

This phrase is incorrect in English. The article 'a' is necessary before the noun 'twin.'

"He is a twin." vs "He is twin."

He is a twin.

He is twin.

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