4 Write sentences with the words below. Use the correct form of can, could or be able to. If there are two possible answers, write them both.
1. you / move/your wrist/ or does it hurt too much/?
2. after I broke my ankle, /1/ wear/my shoe / for a month/
3. you/help/me/with my science project / next week/?
4. people/breathe/ underwater / without equipment/.
5. he/ lift/heavy weights / after he hurt his back/?
6. I believe/doctors/ perform / brain transplants / one day/​