Podane czasowniki modalne zastąp wyrażeniami pokrewnymi czasownikom modalnym. Użyj: (not) be able to, (not) be allowed to, (not) have to/need to w odpowiedniej formie.

1. When the fog lifts, we (can) see the mountains.
2. I knew the town so I (not, must) ask about the way.
3. When the car is repaired, we (can) continue our journey.
4. They (must) take a lot of examinations last year.
5. I (not, can) climb that high mountain so far.
6. You (must) do it yourself? Couldn't he help you?
7. She (not, can) walk since she had that  accident two years ago.
8. My father is ill and he (not, can) to work for the last two months.  (...)