This 10-week online course on modality consists of videos, reading activities weekly quizzes and a final exam. A certificate is issued at the end of the course.

Modality
Modality, in English grammar, is a way of examining and talking about the following concepts:
- Obligation and necessity
- Forbiddance
- Lack of obligation or necessity
- Permission
- Ability
- Advice and suggestions
- Offers and invitations
- Taking a stance
- Counterarguments
- Possibility, expectation and certainty
- Imagination
- Preferences
- Requests and inquiries
- Willingness
- Boldness
- Habits, and permanence
10 Weeks
$48
Week 1
- Obligation and Necessity: Part I
- Obligation and Necessity: Part II
- Obligation and Necessity: Part III
- Lack of Obligation or Necessity
Week 2
- Forbiddance
- Permission
- Ability: Part I
- Ability: Part II
Week 3
- Advice and Suggestions: Part I
- Advice and Suggestions: Part II
- Advice and Suggestions: Part III
- Offers and Invitations
Week 4
- Taking a Stance: Part I
- Taking a Stance: Part II
- Taking a Stance: Part III
- Counterarguments
Week 5
- General Possibility
- Present and Future Possibility
- Past Possibility
- Expectations
Week 6
- General and Specific Preferences
- Preference for the Actions of Others
- Requests and Inquiries: Part I
- Requests and Inquiries: Part II
Week 7
- Present and Future Certainty
- Past Certainty
- Imagination I
- Imagination II
Week 8
- Willingness, Promises, Refusal and Threats
- Boldness
- Habits and Permanence
- Modality: Idioms
Week 9
- Final Exam
Week 10
- A grace period to submit late assignments
10 Weeks
$54