I have relatives in Estonia.

to have a bit on the side

to have a lasting effect on

to have designs on

to have one’s plans crossed

I have a day off

to have no leg to stand on.

I have witnesses who can verify that I was actually there

to have one’s will

I have to scold you.

to have kittens

to have a laugh

Have you ever been to England?

to have one’s wits about oneself

I have Swedish citizenship.

to have a laughing fit

to have designs on someone/something

to have a strange feeling that

to have done it all

to have other irons in the fire

to have a funny feeling that

to have a narrow escape

I have good news for you. I'm going to have a baby.

I have a question. Where is the toilet?

to have a lead