Irregular verbs
http://www.iavante.es/etpblog/blogarticulate/pronunciation/4/engage.swf
Verbs wheel
http://www.macmillandictionary.com/external/verb_wheel/verbWheelBase.swf
Verb worksheets
http://www.henryanker.com/Language/Language_Skills/Verb_Forms/Verb_Forms_Set_1.swf
Prefixes and suffixes
http://www.bigbrownbear.co.uk/demo/prefix.swf
http://www.primaryresources.co.uk/english/powerpoints/prefixes_re.swf
http://www.bbc.co.uk/schools/spellits/swf/y6_activity4.swf
http://www.funenglishgames.com/prefixsuffix.swf
http://d.violet.vn/uploads/previews/499/1650800/preview.swf
Parts of Speech
Adjectives
http://www.childrensuniversity.manchester.ac.uk/media/services/thechildrensuniversityofmanchester/flash/adjective_detective_stamp.swf
http://myweb.uiowa.edu/akolesni/home_page.swf
Prepositions
http://www.angles365.com/classroom/fitxers/6e/catmouse.swf
http://www.riverdeep.net/language_arts/edmark_lang_arts/EdmoHoudini/EdmoHoudini.swf
http://www.mes-games.com/prepositions1.swf
http://www.elihinkel.org/tips/prepositions.swf
Tense
http://www.englishgrammarsecrets.com/presentperfect/exercise1.swf
Speech marks
http://www.primaryresources.co.uk/online/powerpoint/speechmarks_PR.swf
Adverbial phrases
http://www.englishw.com/AdverbialPhrasesTypingEx.swf
Grammar-games
http://learnenglishkids.britishcouncil.org/en/grammar-games