MODAL VERBS

CAN - COULD

CAN / CAN´T

https://www.grammarbank.com/can-cant-exercises.html

COULD / COULDN´T

https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-91443.php

CAN / COULD

http://www.engelsgemist.nl/can-could-1/

CAN / CAN´T / COULD / COULDN´T

https://www.englishexercises.org/makeagame/viewgame.asp?id=7710

https://www.grammarbank.com/can-vs-could-exercise.html

MAY - MIGHT

CAN / MAY / MIGHT

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

MAY OR MIGHT

https://www.englishexercises.org/makeagame/viewgame.asp?id=6197

https://www.usingenglish.com/quizzes/407.html

https://www.engvid.com/can-i-could-i-may-i/

https://agendaweb.org/verbs/modals-must-have-to-exercises.html https://agendaweb.org/verbs/modals-exercises.html

https://www.eslgamesplus.com/modal-verbs-can-could-might-must-should-would-catapult/