Question : Find out the part which contains an error of subject-verb agreement:
More than one successful student of this college have interacted with the most sought after celebrities found in the nation.
Option 1: More than one successful student of this college
Option 2: have interacted with
Option 3: found in the nation
Option 4: No error
Option 5: the most sought after celebrities
Correct Answer: have interacted with
Solution : One is singular, thus, have needs to be changed into has.