Some uncountable nouns are plural. They have no singular forms with the same meaning, and cannot be used with numbers. Common examples are: arms, groceries, goods, customs, clothes, thanks, regards, police etc.
- Have you bought the groceries? (NOT Have you bought the grocery?) (NOT Have you bought a grocery?) (NOT Have you bought two grocery?)
- The police are looking for a white male in his forties. (NOT The Police is looking for a white male in his forties.)
- Thanks for your help. (NOT Thank for your help.) (But you can say: Thank you for your help.)
Other plural uncountable nouns include trousers, jeans, pyjamas (US pajamas), pants, scissors, spectacles, glasses etc.
- The trousers are hanging in the cupboard. (NOT The trouser is hanging in the cupboard.) (But you can say: A pair of trousers is hanging in the cupboard.)
- Scissors are in the drawer. (NOT Scissor is in the drawer.) (But you can say: A pair of scissors is in the drawer.)
The expressions the British, the Dutch, the English, the French, the Irish, the Spanish and the Welsh are also plural.
- The Irish are proud of their sense of humor. (NOT The Irish is proud of its sense of humor.)