On usage, the Cambridge Grammar of English (p883) states: The present tense form of have with got used for possession is more than twice as frequent in spoken BrE as in AmE: •I've got one sister and one brother. (BrE) •I have a cousin who never married. (AmE) On formality, Swan in Practical English Usage (p230) states: Got forms are especially common in an informal style. ... In very informal American speech, people may drop 've before got. I('ve) got a problem.
“I’ve got” vs. “I have”
On usage, the Cambridge Grammar of English (p883) states:
The present tense form of have with got used for possession is more than twice as frequent in spoken BrE as in AmE:
•I've got one sister and one brother. (BrE)
•I have a cousin who never married. (AmE)
On formality, Swan in Practical English Usage (p230) states:
Got forms are especially common in an informal style. ... In very informal American speech, people may drop 've before got. I('ve) got a problem.