Gerunds and infinitives games
http://www.eslgamesplus.com/ing-gerunds-infinitive-spin/
key word transformations in Modals
andymillin.wordpress.com/2011/10/18/key-word-transformations-with-modals-of-speculationdeduction/

Future forms

http://www.eslgamesplus.com/future-forms-review-spin/