http://www.englishpedia.net/grammar-exercises/modals/modals-advice-exercises.html

Online Tests:

• http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/330-modals-advice1.htm
• http://www.passporttoenglish.com/Advanced-English/Lesson12/Grammar.html
• http://www.englishexercises.org/makeagame/viewgame.asp?id=458#a
• http://www.englishpage.com/modals/interactivemodal3.htm

Theory + Tasks!!!!!!!!!!

1. Advanced Grammar in Use: Unit 20, pp. 40-41;
2. My GrammarLab B1-B2: Unit 9, pp. 150-151;
3. My GrammarLab C1-C2: Unit 7, pp. 146-149;
4. Oxford Practice Grammar Advanced, Unit 3, pp. 41-43