Determiners

Determiners are used in front of nouns

The definite and indefinite articles a/an/the are all determiners.

You use a specific determiner when people know exactly which thing(s) or person/people you are talking about.

The specific determiners are:
the definite article: the
demonstratives : this, that, these, those
possessives : my, your, his, her, its, our, their

For example:-

"The dog barked at the boy."
"These apples are rotten."
"Their bus was late."

You use general determiners to talk about people or things without saying exactly who or what they are.

The general determiners are:

the indefinite articles a, an both
a few each
a little either
all enough
another every
any  
few neither
fewer no
less other
little several
many some
more  
most  
much  

For example:
"A man sat under an umbrella."
"Have you got any English books that I could borrow?"
"There is enough food to feed everyone."

Determiners of quantity are used to describe how much or little of something there is.

The following determiners must only be used with countable nouns in the plural:
We don't get many tourists here.
We get several letters a week.
Hold on with both hands.
I take fewer trips abroad these days.
We've invited a few friends to dinner. So few people attended.
Note: Few has a negative meaning, and means 'almost no'. A few has a positive
meaning and means 'some'.

The following determiners must only be used with uncountable nouns:
Will it take much time?
I had less money than I thought.
Add a little salt to the dish.
We get so little light in this room.
Note: Little has a negative meaning, and means 'almost no'. A little has a positive
meaning and means 'some'.

The following determiners can be used with countable nouns in the plural and with
uncountable nouns:
Kim's got more bags than me.
Kim's got more luggage than me.
Most children like ice-cream.
She eats most types of fish.
All children should receive education.
All meat is rich in protein.
Are there enough cakes for everyone?
We don't have enough furniture.
He left no instructions.
There's no ice in the fridge
.
The following determiners must be used with singular countable nouns:
He checked each document carefully.
Every child needs affection.