Practice the plural

Check this web site, it has a very interesting game to learn the plural.

http://www.bbc.co.uk/skillswise/game/en16plur-game-plural-fishing

http://www.eslgamesworld.com/members/games/ClassroomGames/Billionaire/Plurals%20Billionair%20Game/play.html

http://www.phonicsplay.co.uk/PlanetaryPlurals.html

Grammar
http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/irrplu.htm

http://www.englisch-hilfen.de/en/exercises_list/substantiv.htm

http://www.agendaweb.org/grammar/plural.html

Crossword
http://www.prof2000.pt/users/tereza_n/plurals1.htm

Quiz
http://www.firstschoolyears.com/literacy/word/other/plurals/interactive/plurals.htm

For Kids
http://www.roythezebra.com/reading-games/singular-or-plural-1.html

http://www.saintambrosebarlow.wigan.sch.uk/Y3Spelling/plurals1y3t2.htm