Determiners

Determiners are used to measure uncountable nouns and to show quantity.Here are some examples of determiners and the type of nouns they are used with:

Noun	Countable		uncountable
	singular	plural	Singular
Quantity words	One,every**,each, another	Many,several,some*, A few,a lot of*	Much,more,some* A little,a lot of*,all
Demonstrative	This,that	These,those	This,that

*some determiners can be used with both singular and plural nouns.

**'Every' is singular.Many of us mistakenly use it as a plural

http://www.englishlanguageguide.com/english/grammar/determiner.asp