I haven't had time to go shopping.

Haven’t you eaten anything?

I haven’t the faintest idea

I haven't started yet.

I haven’t the faintest conception of it.

I haven’t the slightest idea

I haven't had anything to eat for two days.

We haven't had any rain for a fortnight.

I haven’t heard that one in a long time

I haven’t a penny to my name

I haven't passed the exam yet.

We haven't found the dog yet.

I haven't had a chance to talk to you yet.

I haven’t seen either of them

I haven’t seen her for ages

I'm having the time of my life right now.

having not a shy bone in his/her body

I’m having a house built

Having five children keeps us on the go

He’s having his hair cut

He's having dinner.

I am having a high old time.

having regard to

Havoc strikes

to hawk