Помогите пожалуйста!!!! Срочно всё 138упр

1 have you ever bought a piano? 2 when did you buy the piano? 3 have you ever been to London? 4 when were you in London? 5 have you ever spoken to pilot? 6 when did you speak to the pilot? 7 have you ever seen the Film? 8 when did you see the film?