Many, Much, A lot of / Lots of, A few, A little

 

Much	Many	A lot of / lots of	A little	A few
Uncountable - I haven’t got much time ? Do you have much work? + (usally is substituted by a lot of)	Countable - I have many buttons. ? Do you have any pens? + (usally is substituted by a lot of)	- I don’t have a lot of time ? Do you have lots of English books? + I have a lot of shoes.	Uncountable He has a little money	Countable She has a few dollars

 

Exercises:
http://www.ego4u.com/en/cram-up/vocabulary/much-many/exercises

http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-5769.php

http://www.learn-english-today.com/lessons/lesson_contents/exercises/alot-much-many_quiz1.htm