Have got and have mean the same but have got is more informal. Look at these sentences:
I’ve got some money in my wallet. or I have some money in my wallet. (more formal)
Tom hasn’t got a dog or Tom doesn’t have a dog. (more formal)
- We normally use have (got) to talk about possession, relationships, illnesses, etc. In these contexts, it is not used in the continuous form:
They have a new house or They’ve got a new house. Not:
They are having a new house
Have you got any brothers or sisters? or Do you have any brothers or sisters?
I’ve got a headache. or I have a headache.
- For the past we use had (without got)
We had a great time last night.
I had a red bicycle when I was little.
- In past interrogative and negative sentences we use did and did not:
Did you have a mobile phone when you were little?
I didn’t have blond hair when I was younger. I’m dying it.
- We use have in numerous collocations:
Have a shower/bath
Have a good/bad time
Have a break/rest/nap/party, etc.