Раскройте скобки, употребив глагол в страдательном залоге (Present, Past, Future Simple).
1. Yesterday they (to show) a very interesting film at the party.
2. These questions (not to discuss) at tomorrow's meeting.
3. The mail must (to look) through every morning.
4. Letters usually (to type) by a secretary.
5. This problem (to speak) much about last month.
6. All this (to forget) soon.
7. He (to tell) that he would be served in no time.
8. The documents not (to sign) by the parties yesterday.
9. Applicants usually (to ask) to fill in the blanks.
10. The Institute (to found) 10 years ago.