Задание
Match the sentences with the functions of the modal verb "to be to".
Write one number (1–4) in each gap.
You are not to leave the school without the teacher's permission.
The woman is nowhere to be found.
The comet is to return to our planet in 20 years.
After that, we were to go to the cinema.
1. Possibility or impossibility due to circumstances.
2. An inevitable event.
3. A prohibition.
4. Possibility based on a previous agreement.