English » Spotting Errors

The following sentence has been split into four segments. Identify the segment that contains a grammatical error.

You should / have respond / to my query / sooner.

A

sooner

B

to my query

C

You should 

D

have respond 

Solution

the error lies in option D.

has/have always take third form of the verb with them, so have respond should be replaced with have responded.