Modal verbs

Inzhu had to/may apply for a new passport because her old one had expired.

They could/were able to meet us in Nur-Sultan after all.

Can/Must I have a glass of water, please?

You couldn't/shouldn't visit the Korowai if you're scared of heights; they live in trees!

We might/ought to go on a day trip tomorrow. We haven't decided yet.

May/Might I see your boarding pass, Madam?

We must/can be at the airport two hours before our flight departs.

You ought/might to visit Göreme when you're in Turkey.