Many talks about a large number of countable nouns. Countable nouns have singular and plural forms. Many goes before plural countable nouns.

Use many with nouns you can count as one, two, three, and more. These nouns take a plural form after many. Do not use many with singular nouns or with uncountable nouns.

Word or Phrase	Definition
books	These are countable nouns, so many can go before them.
chairs	These are countable nouns, so many can go before them.
people	This is a countable noun in plural form, so many can go before it.
cars	These are countable nouns, so many can go before them.

Many is common in questions. It asks about a large number or about the number of plural countable nouns. It comes before the plural countable noun in the question.

Many is also common in negative sentences. It shows that the number is not large or not as large as expected. It comes before the plural countable noun.

Many and much do not use the same kinds of nouns. Many goes with plural countable nouns. Much goes with uncountable nouns.

Word or Phrase	Definition
many	This word goes with plural countable nouns.
much	This word goes with uncountable nouns.
plural countable nouns	These nouns can be counted as separate things.
uncountable nouns	These nouns are not usually counted as separate things.

Many can talk about time expressions and everyday quantities when the noun is countable and plural. Use many with words like days, weeks, times, or hours. Do not use many with uncountable time words.

Word or Phrase	Definition
days	This is a plural countable time noun, so many can go before it.
weeks	This is a plural countable time noun, so many can go before it.
hours	This is a plural countable time noun, so many can go before it.
times	This is a plural countable noun, so many can go before it.

You can now use many with plural countable nouns. You can use many in questions and negative sentences. You can also choose many instead of much when the noun is countable and plural.