Online Exercises:

• http://www.dinternal.com.ua/grammar/modal-verbs-4/

• http://englishon-line.ru/grammatika-spravochnik48.html

• http://www.agendaweb.org/verbs/modals-must-have-to-exercises.html

• http://www.englishpage.com/modals/interactivemodal2.htm

• http://www.grammarbank.com/modal-verbs-test.html

• http://www.grammarbank.com/modal-verbs-quiz.html 

• http://www.grammarbank.com/modals-quiz.html

• http://www.grammarbank.com/modals-exercises.html

Theory + Tasks!!!!!!!!!!

1. Advanced Grammar in Use: Unit 18, pp. 36-37;
2. My GrammarLab B1-B2: Unit 9, pp. 146-147;
3. My GrammarLab C1-C2: Unit 7, pp. 142-145.