BEST Spotting Error Rules with Examples

1. Some nouns always take a singular verb.
Scenery, advice, information, machinery, stationery, furniture, abuse, fuel, rice, gram, issue, bedding, repair, news, mischief, poetry, business, economics, physics, mathematics, classic, ethics, athletics, innings, gallows.
(A) The scenery of Kashmir
are enchanting. (Incorrect)
(B) The scenery of Kashmir is enchanting. (Correct)
(A) He has given advices. (Incorrect)
(B) He has given advice. (Correct)
(A) The Indian team defeated the English by innings. (Incorrect)
(B) The Indian team defeated the English by an innings. (Correct)
(A) Mathematics are a difficult subject. (Incorrect)
(B) Mathematics is a good / difficult subject. (Correct)
Note if you have to indicate that the number of news, advice, information or furniture is more than one, the examples listed below can be followed:
(A) I have a lot of news to tell you. (Incorrect)
(B) He has sold many pieces of his furniture. (Correct)

2. Some nouns are singular in form, but they are used as plural nouns and always take a plural verb.
Cattle, gentry, vermin, peasantry, artillery, people, clergy, company, police.
(A) The cattle is grazing in the ground. (Incorrect)
(B) The cattle are grazing in the ground. (Correct)
(A) The clergy is in the church. (Incorrect)
(B) The clergy are in the church. (Correct)

3. Some nouns are always used in a plural form and always take a plural verb.
Trousers, scissors, spectacles, stockings, shorts, measles, goods, alms, premises, thanks, tidings, annals, chattels, etc.
(A) Where is my trousers? Incorrect
(B) Where are my trousers? Correct
(A) Spectacles is now a costly item. Incorrect
(B) Spectacles are now a costly item. Correct