Поставьте следующие предложения в вопросительную и отрицательную формы: 1. he has supper at 7 o’clock. 2. they have a rest on sundays. 3. we have dinner in the institute dinning hall.

? has he supper at 7 o'clock
- he hasn't supper at 7 o'clock
? have they a rest on sundays
-they haven't a rest on sundays
?have we dinner in the institute dinning hall
- we haven't dinner in the institute dinning hall