Modals for ability, possibility, and permission

I. Introduction
A. Definition of Modals
B. Explanation of their usage

II. Modals for Ability
A. Definition
B. Examples

III. Modals for Possibility
A. Definition
B. Examples

IV. Modals for Permission
A. Definition
B. Examples

V. Summary
A. Review of Modals
B. Review of their usage

VI. Conclusion

Summary:
• Introduction to Modals and their usage
• Modals for Ability, Possibility, and Permission defined and demonstrated with examples
• Summary review of Modals and their usage
• Conclusion