ENGLISH V UNIT 8

Modals of Certainty  

https://www.ecenglish.com/learnenglish/lessons/can-could-may-might-must

https://web2.uvcs.uvic.ca/courses/elc/studyzone/330/grammar/330-modals-ability1.htm

Abilities

https://www.englishclub.com/grammar/verbs-modals-can-could-able-quiz.htm