QUANTIFIERS

Many, few e a few são usados antes de substantivos contáveis que geralmente se apresentam na forma do plural.
Exemplos:
Paulo has many friends in São Paulo.
João sometimes interviews few students.
They need a few (some) dollars to travel.
The books were given to many/few/a few of the students.

Much, little e a little são usados antes de substantivos incontáveis que geralmente se apresentam na forma do singular.
Exemplos:
I need much money to buy a car.
Marco has little time to study.
Maria has a little (some) sugar at home.
Patrícia ate much/little/a little of the bread we offered her.

Exemplos:
How many pair of shoes do you have?
How much gas do you need?
Several, a couple of, none of, a great number of, a large number of são usados antes de substantivos contáveis.
Exemplos:
Several books were stolen from the library.
A great number of students will travel to Brasília.
A bit of, a good deal of, a great deal of, a large amount of são usados antes de substantivos incontáveis.
Exemplos:
A good deal of flour will be imported from Argentina.
A large amount of money was lost in the airport.
All of, some, most of, enough, a lot of, lots of, plenty of, a lack of são usados antes de substantivos contáveis e incontáveis.
Exemplos:
Carlos bought a lot of bread for breakfast.
Fernanda read a lot of books during the vacation.
Pedro and José have plenty of money.
Carmem drank plenty of glasses of beer during the party.
