COLLECTIVE NOUNS 

These are nouns that represent a group of people or things as a single unit.

Some collective nouns can take plural forms

Examples:

Crowd (s) flock (s)

Group (s) herd (s)

Team (s) committee (s)

Pair (s)

Some collective nouns, however, cannot be used in the plural:

Examples

Furniture* beddings*

Equipments* informations*

Luggages* baggages*

Exercise 10

When I arrived at the airport, there were ……………1………….. (crowd ) of people blocking the entrance with their ……………..2……………… (luggage). Near the customs sections, several……………3…………….. (group ) of officials were standing, checking the ………………4……………… (equipment ) that was being loaded onto a trolley. Most people were standing, waiting for… ………….5…………….. (information ) from the loudspeakers on the departures and arrivals of aircraft.