Question

It is time(1)/ we should have done(2)/ something useful for (3)/ the welfare for society (4)/ no error (5)

Answer 1

it is the time we should have done something useful for the welfare for the society..

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Answer 2

The error is present in the phrase 4.

• The complete correct phrase should be-
• It is time we should have done something useful for the welfare of society.
• Here the error is in the use of prepositions.
• A preposition is a word that is used before a noun or pronoun.
• Some examples of prepositions are 'in, on, at, of' etc.
• Here the correct preposition is 'of'.