Noun (Level: Elementary)

We use either 'advice' or 'pieces of advice' (for plural case) for nouns.

Nouns lke spectacles, trousers, vegetables, Himalayas, innings, etc. are always used in plural.

If a unit (like dozen) is followed by a noun and preceded by a number, it remains in singualr form.

Nouns lke spectacles, trousers, vegetables, Himalayas, etc. are always used in plural.

Expressions like 'one of', 'most of' always take plural subject. Hence, colleges is correct.

Pass marks are marks that will pass in time. Passing marks are marks required for qualifying.

If a unit (like dozen, pair) is followed by a noun and preceded by a number, it remains in singular form.

Plural of sheep is 'sheep'. Hence, sheep is correct.

If a unit (like dozen, year) is followed by a noun and preceded by a number, it remains in singualar form. Here, however, 'old' is an adjective, not a noun. Hence, 'years' will be the answer. Sam is eighteen years old. But Sam is an eighteen year old boy.

Plural of cattle is cattle. Hence, cattle is correct.

'Pains' means pgreat care or diligence.
 

Nouns like hair, fruit, etc. are always used in singular.

Furniture is an uncountable noun in English, meaning it cannot be pluralized. 'Furnitures' is grammatically incorrect. The sentence should read 'The furniture of her house is beautiful' because furniture refers to a collective group of items and always takes a singular verb. This is a fundamental grammar rule in English.

'Thousands of.......' is the correct expression.When there is no number or quantity before thousand we use thousands of people.

Words ending with 's' take appostrophe at the end, without any additional 's'. Meeting is of the teachers (plural).