Help me please. English​ Present Perfect

Have you sent any postcards yet?

Yes i have never sent

Have you seen the British museum yet?

No i haven't never seen

Have you eaten in any good restaurants?

I've eaten out twice

Have you visited Madam Toussauds?

No i have visited it last year when I was in London

Have you had time to go to our beautiful parks?

Yes, I've been to three parks

Has your mother phoned you?

No, she hasn't phoned

Have enjoyed your visit so far?

Yes i have done so many interesting things