Have and Have Got

The verb 'to have' is a regular verb, so it needs the auxiliary 'do' to create negative sentences and questions:

• I don't have time for that

• Do you have a pair of shoes?

In the structure 'have got', the word 'have' works as an auxiliary verb, so you do not need to use the auxiliary 'do': 

• I haven't got time for that

• Have you got a pair of shoes?

The verb 'have' is used as an auxiliary verb in structures like Present Perfect or Past Perfect and also as a regular verb, where it indicates possession of objects, characteristics, relationships, etc. Here you have some examples:

1. HAVE:

Affirmative sentence: I have something to tell you. 

Negative sentences: I do not have anything to tell you.

Questions: Do you have anything to tell me?

2. HAVE GOT:

Affirmative sentences: I have got a pen for you.

Negative sentences: I have not got a pen for you.

Question: Have you got a pen for me?