SMRT 115 - UNIT 8 - MODALS - HAVE TO, MUST, SHOULD

EXERCISES

Rules and exercises
http://esl.about.com/od/intermediate-modals/a/Must-Have-To.htm

rules with video - should or must?
http://learnenglishteens.britishcouncil.org/grammar-vocabulary/grammar-videos/have-must-and-should-obligation-and-advice

Exercises List

http://www.perfect-english-grammar.com/modal-verbs-of-obligation.html

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

http://www.englishpage.com/modals/must.html


http://www.esltower.com/GRAMMARQUIZ/modals/Modals%20-Using%20MUST%20&%20HAVE%20TO%20-%20output/modal5.html

https://www.englishclub.com/grammar/verbs-modals-have-to-must-not-quiz.htm








must, should
http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-55666.php