When do we use "a lot", "many" and "much"

	Positive	Negative and question
Uncountable noun	a lot of We have a lot of food. Children need a lot of care.	much I don't have much time. Do you drink much water every day?
Countable plural noun	a lot of / many I have a lot of (or many) friends on Facebook. A lot of (or many) people speak English.	a lot of / many I haven't got a lot of (or many) friends on Facebook. Did you answer a lot of (or many) questions?
As an adverb	a lot Lisa reads a lot. We like each other a lot.	much Do you travel much? I listened to the speaker, but I didn't understand much.

Positive

Negative and question

Uncountable noun

a lot of

We have a lot of food.
Children need a lot of care.

much

I don't have much time.
Do you drink much water every day?

Countable plural noun

a lot of / many

I have a lot of (or many) friends on Facebook.
A lot of (or many) people speak English.

a lot of / many

I haven't got a lot of (or many) friends on Facebook.
Did you answer a lot of (or many) questions?

As an adverb

a lot

Lisa reads a lot.
We like each other a lot.

much

Do you travel much?
I listened to the speaker, but I didn't understand much.