A. General vs Specific
General (no the)
• Children like playing. (= children in general)
• Money isn't everything. (= money in general)
• I enjoy reading books.
• Everybody needs friends.
Specific (with the/this/my etc.)
• Where are the children? (= our children)
• I want to buy a car but I haven't got the money.
• Have you read these books?
• I often go out with my friends.
B. most / some / any / no + noun
• Most children like playing. (= children in general)
• I don't want any money.
• Some books are better than others.
• He's got no friends.
• All cities have the same problems.
Do not use of in these sentences:
• Most people drive too fast. (not 'Most of people')
• Some birds can't fly. (not 'Some of birds')
B. most of / some of / none of + the/this/my etc.
• Most of the children at this school are under 11 years old.
• I don't want any of this money.
• Some of these books are very old.
• None of my friends live near me.
We say all the ... / all my ... etc. (usually without of):
• All the students in our class passed the exam.
• Silvia has lived in London all her life.
C. all of it / most of them / none of us etc.
• You can have some of this cake but not all of it.
• A: Do you know those people?
• B: Most of them, but not all of them.
• Some of us are going out tonight. Why don't you come with us?
• I've got a lot of books but I haven't read any of them.
• 'How many of these books have you read?' 'None of them.'
General vs Specific
Children are noisy. → The children are asleep.
I like music. → I like this music.
most / some / any / no + noun
Most cars are expensive. → Some cars are cheap.
I have no time. → Do you have any time?
most of / some of / none of + specific
Most of my friends live abroad. → None of my friends live here.
Some of the money is missing. → All the money is here.
all of it / most of them
I ate all of the cake. → I ate most of it.
None of us passed. → Some of us failed.