Przekształć poniższe zdania na stronę bierną. Zwróć szczególną uwagę na przyimki.

0) They should speak to Greg as soon as possible.
    Greg should be spoken to as soon as possible.
1) It's high time we called for a doctor.
    It's high time _______________ .
2) Why didn't the police look into the matter closely enough?
    Why _______________ ?
3) Do you happen to know whether anyone has already paid for the drinks?
    Do you happen to know _______________ ?

(...)