Part III & VIII Review:

Unit 11: Modals of Ability: Can, Could, Be Able To


Unit 14: Modals of Advice: Should, Ought to, Had Better


Unit 34: Modals of Necessity: Have (got) to, Must, Don't have to, Must not, Can't


Unit 36: Modals of Future Possibility: May, Might, Could


Unit 37: Modals of Conclusion: Must, Have (got) to, May, Might, Could, Can't