English grammar – Spot the error (choose the part with an error or “No error”). Sentence: He has a scheme / of his own which he thinks / more preferable to / that of any other person.

Difficulty: Easy

He has a scheme
of his own which he thinks
more preferable to
that of any other person.
No error.

Correct Answer: more preferable to

Explanation:

Introduction / Context:
This item targets redundancy with adjectives that already carry a comparative sense. Choose the erroneous fragment.

Given Data / Assumptions:

“Preferable” inherently compares and must not be used with “more.”
Correct construction is “preferable to …”.

Concept / Approach:
Avoid double comparison (e.g., “more preferable,” “most preferable”). Use the base comparative adjective alone with the correct preposition.

Step-by-Step Solution:

A: “He has a scheme” — correct.B: “of his own which he thinks” — correct relative structure.C: “more preferable to” — incorrect due to redundancy; should be “preferable to.”D: “that of any other person.” — correct comparative reference.

Verification / Alternative check:

Corrected: “He has a scheme of his own which he thinks preferable to that of any other person.”

Why Other Options Are Wrong:

A, B, and D are fine. Only C violates comparison rules.

Common Pitfalls:

Using “more preferable,” “most preferable,” which are nonstandard redundancies.

English grammar – Spot the error (choose the part with an error or “No error”). Sentence: He has a scheme / of his own which he thinks / more preferable to / that of any other person.

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