1. have you been in the united states?
No I have never been to United States.
2. have you seen a british T.V program?
Yes, I have seen quite a lot of british TV programmes.
3. have you gone to australia?
I have been to Australia twice during last 5 years.
4. have you ever seen a movie in english?
I have seen lots of movies in english, sometimes I watch them with subtitles though.
5. have you ever bought a book in english?
I have never bought any book in english, but I was given some.
6. had you already seen my cousin?
Yes, I had meet her last night.
7. had you already sang at the party when i arrived?
Yes, I had, you get there too late this time.
8. had you read the book before him?
No, he read it first.
9. had jhonny taken off his hat before entering my house?
Yes, he had, just as you asked him.
10. had lisa eaten before going to the movies?
She was supposed to but she hadn´t enough time finally.