Much and Many are easily confused words and are very often used wrongly. Both the words have different meanings so it is necessary to understand the difference between much and many.
Much can be used both as a pronoun and as an adverb.
(i)Meanings of much as a pronoun: a great deal; a large amount; a good deal.
(ii) Meanings of much as an adverb: to a great extent; to a large extent; a lot; greatly.
Many is an adjective.
Meanings: a lot of; lots of; loads of; countless; several; numerous.
Examples of Much:
1. Much of the project work was still pending.
2. The town officials found that much of the newly paved road had developed cracks.
3. At the society meeting much of the time was spent in useless discussions.
Examples of Many:
1. When the carton of fruits was opened, it was found that many of the oranges were spoiled.
2. Many sailors were caught in the unexpected storm and had to be rescued by the sea patrol.
3. To become a successful businessman it requires many years of hard work.