Articles
are used to introduce a noun.
a
an
the
A
mouse ran across the floor.
An
octopus swims in the ocean.
The
house is big.
Links
http://www.eslus.com/LESSONS/GRAMMAR/POS/pos9.htm
http://depts.gallaudet.edu/englishworks/grammar/main/articles.htm
http://en.wikipedia.org/wiki/Article_(grammar)
http://www.learnenglish.de/grammar/articlestext.htm
http://www.britishcouncil.org/learnenglish-central-grammar-definitions-articles.htm
http://www.learn4good.com/languages/evrd_grammar/articles.htm
game
http://www.learnenglish.org.uk/words/activities/articles01.html
NONcount Nouns
http://www2.gsu.edu/~wwwesl/egw/nouns/online.htm