PLURALS

BEGINNERS

• http://www.shertonenglish.com/resources/es/nouns/nouns-plural.php
• http://www.englisch-hilfen.de/en/grammar/plural.htm

http://www.englisch-hilfen.de/en/exercises/nouns_articles/plural3.htm

http://www.nonstopenglish.com/exercise.asp?exid=230

http://www.cristinacabal.com/children/irregularplurals.htm

ELEMENTARY

• http://www.ompersonal.com.ar/ELEMENTARY/unit2/page1.htm

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

http://www.myenglishpages.com/site_php_files/grammar-exercise-plural.php

http://grammar.ccc.commnet.edu/grammar/cgi-shl/par_numberless_quiz.pl/plurals_quiz.htm

http://www2.cambridge.org/interchangearcade/listtypes.do?level=0&unit=2&stage=1