Spot the Errors - English (MCQ) for Bank, MBA, CAT, MAT, GMAT, SSC for Q. 26266

Q.  All his (1) / sister-in-laws are (2) / very beautiful to (3) / look at. (4) / No Error (5)
- Published on 11 Jan 17

a. 1
b. 2
c. 3
d. 4
e. 5

ANSWER: 2
 
The correct form is: 'sisters-in-law'.

There are some nouns which are combination of two or more words. These kind of nouns are known as Compound Nouns.

Such nouns get their plural by adding 's' to the main or the root/principal word.

The correct sentence should be: All his sisters-in-law are very beautiful to look at.

Let us now see list of some compound nouns and their correct plural forms,
SingularPlural
Daughter-in-lawDaughters-in-law
Hanger-onHangers-on
Commander-in-chiefCommanders-in-chief
Brother-in-lawBrothers-in-law
Passer-byPassers-by
Looker-onLookers-on


SingularPlural
Book-caseBook-cases
Class-fellowClass-fellows
Race-horseRace-horses
Step-sonStep-sons
Cast-awayCast-aways
Maid-servantMaid-servants
Horse-raceHorse-races

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