Modals

1. Ability

1.1. Action Point 1

1.2. Action Point 2

2. Prohibition

2.1. High Priority

2.2. Medium Priority

2.3. Low Priority

3. Necessity

3.1. Problem 1

3.2. Problem 2

4. Obligation

4.1. must

4.1.1. mustn't

4.2. have to