Make these sentences negative.
1. He can redesign the interior of Eurostar trains.
2. The secretary must stay in the office until 11 o’clock.
3. This person can design cars for the
masses.
4. We must stop our research.
5. They must reduce the price.
6. The receptionist can type well.
1. can't
2. mustn't
3. can't
4. mustn't
5. mustn't
6. can't