Grammar game:

a wide variety of games covering many grammar topics:
http://www.softschools.com/quizzes/grammar/

Grammar Checker:

If you are not sure about your grammar choices go to this site & try it out!
www.gingersoftware.com/grammarcheck#.V6IgtVe-qng

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Misplaced modifiers:

What is it? :    http://www.chompchomp.com/rules/modifierrules.htm

misplaced modifier game:   http://www.chompchomp.com/modifiers01/modifiers01.01.htm

Adverbs:

Schoolhouse Rock- "Lolly, Lolly, Lolly"
          https://www.youtube.com/watch?v=14fXm4FOMPM

adverb game:
          http://www.ezschool.com/play/402

another adverb game:
          http://www.studyzone.org/testprep/ela4/g/useadverbsp1.cfm