Much / Many / A Lot Of 

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MUCH

We use much with uncountable nouns. It is used in question and negative forms.

Is there much water in your glass?
There isn't much milk in the bottle.

MANY

We use many with countable nouns. We usually use it in question and negative forms.

Are there many horses in the field?
There aren't many tomatoes in the bowl.

A LOT OF

We use a lot of with countable and uncountable nouns. It is used in affirmative sentences.

There are a lot of eggs in the fridge.
There is a lot of milk in the pitcher.

Note: We also use 'lots of' instead of 'a lot of', especially in spoken English and that there is no difference in their meanings.

Examples

1. There aren't many / much apples in the fridge.
2. Is there many / much snow on the mountains?
3. There are a lot of vegetables but there isn't much fruit.
4. There isn't much water in your cup.
4. I have got a lot of books in my library.
5. There isn't much sugar in her coffee.
6. Is there much pollution in Beijing?
7. There aren't many trees in the garden.
8. Loren has got a lot of money in the bank.
9. Have you got many friends in Roma?
10. There are a lot of exercises in GrammarBank.
11. Is there much dirt in the hall?
12. Mike hasn't got much spare time.
13. There are a lot of plums on the tree.
14. Is there much dust on the table?
15. Have you got many magazines at home?
16. Is there much salt in the salad?
17. There aren't many students at school.
18. There is a lot of sand in my pockets.
19. There are a lot of writers but there aren't many readers.
20. Is there much ink the yellow bottle? ↑▲▲▲▲▲▲▲↑