Some books call these words COUNTERS.
Other books call them QUANTIFIERS.
All, Most, Many, Some, A few, and A couple are plural.One is singular.
None is singular or plural.
What are Quantifiers?
http://www.myenglishpages.com/site_php_files/grammar-lesson-quantifiers.php
This link has the grammar exercise. Answer the questions now.
http://www.myenglishpages.com/site_php_files/grammar-exercise-quantifiers.php
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