Modal Verbs:
1. Can - ability, request
2. Could - past ability, suggestion, future possibility
3. May - permission or future possibility
4. Might - present or future possibility
5. Must - necessity or obligation
6. Ought to - what's right and correct
7. Shall - offer or suggestion
8. Should - advice or uncertain prediction
9. Will - willingness, certain prediction, or promise
10. Would - request, invitation, or making arrangements