Перепишите предложения в страдательном залоге, употребив свершенные времена:
1. no one has drunk out of this glass.
2. someone has stolen my collection of stamps.
3. i have sharpened the knives.
4. somebody has eaten all the food in the house and drunk all the wine. (2
passives)
5. somebody has locked the box and i cannot open it. (2 passives)