I have to be brief here (3)

I believe the answer is:

ive

I'm a little stuck... Click here to teach me more about this clue!

This clue could be a double definition.

'i have' is the first definition.
(contraction of 'I have')

'brief here' is the second definition.
The definition suggests a singular noun which matches the answer.

'to be' acts as a link.

Can you help me to learn more?

(Another definition for ive that I've seen is " I have (abbr.)".)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.