Укажите в каждом из них модальный глагол или его эквивалент. 1. Peter cannot go to the university today, he is not well. 2. we may find these magazines at the reading room. 3. you must work hard at your english4. our president...

Укажите в каждом из них модальный глагол или его эквивалент. 1. Peter cannot go to the university today, he is not well. 2. we may find these magazines at the reading room. 3. you must work hard at your english 4. our president was to sign the contract with the foreign businessmen