Select the grammatically correct sentence.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. Having belief in yourself is the biggest key to success.
Error concept: Incorrect use of comparative/superlative degree and pluralization.
What is wrong:
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Option 1 uses “the big key”, which is awkward and not idiomatic.
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Option 3 uses “beliefs” (plural), which is incorrect in this context since belief is uncountable when referring to self-confidence.
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Option 4 uses “most bigger”, which is grammatically wrong because “bigger” itself is comparative and cannot be modified with “most”.
Grammatical concept: When something is of utmost importance, the correct superlative form “the biggest key” should be used.
Incorrectness of the concept in context: Options 1, 3, and 4 distort the intended meaning or misuse grammar.
Correct phrase/ correction: the biggest key to success.
Final sentence: Having belief in yourself is the biggest key to success.
Hence, the chosen option is correct.