1)The following words are always in singular;they have no plural form. i.e.
2)The following words are always in plural,they have no singular form .i.e.
Aristocracy,Gentry,Nobility,Peasantry,Cattle,Poultry,Majority,Tenantry,Perfumery, Artillery,Vermin,People, Public,Mankind,Clergy,Government etc.
3)Though the following words seems to be plural,they are always used in singular number .i.e.
4)Generally Fruit,Fish,brick,hair,Alphabet are used in singular number;but when they refer different meaning,they can be plural number.
5)The following words are always used in plural number i.e.
Alms,Amends,Mumps,Measles,Scissors,Trousers,Spectacles,Environs, Nuptials,Proceeds,Bowels,Tidings,Assets,Belongings,Savings,Earnings, Surroundings,Aborigines,Ashes,Entrails,Fetters,Vitals etc.But amends,mumps,measles,alms,tidings can be used in singular form also.
6)The following words are always similar in both singular number and plural number .i.e,
7)If there is the following numeral words used before a noun,the noun will not be plural.i.e.
8)If the following numeral words are used before a noun and the numerals indicate double or triple,the noun word will be plural i.e.
Some,Several,A few, lots of ,Many etc.