3a
2 should eat at the vegetarian restaurant
3 may/might/could help with your bad back
4 should/ought to try meditation
5 don’t have to/don’t need to/needn’t be really fit to do yoga
6 She might/may not be able to go to her yoga class as she’s working late
7 Can/May… borrow your yoga mat?
8 can/may open your eyes now
9 Can… give you a lift to the gym?
10 can’t/mustn’t make any noise during meditation