English Grammar – Spot the error (choose the erroneous segment or ‘‘No error’’). Sentence: After listening to his advice, I decided to not to go abroad for studies.

Introduction / Context:
Error-spotting questions like this check whether you can recognize faulty infinitive structures in formal English. Here, the phrase “decided to not to go” contains an ungrammatical doubling of the infinitive marker “to” and an awkward placement of “not”.

Given Data / Assumptions:

• Main clause: “I decided …”.
• Negative infinitive intended: “not to go”.
• Purpose/choice context after receiving advice is irrelevant to the grammar and does not change the rule.

Concept / Approach:
After verbs like decide/ask/tell/advise, use the pattern: verb + to-infinitive. To negate the infinitive, place “not” directly before “to”: “not to + base verb”. Do not duplicate “to” or split the infinitive in a clumsy way. Acceptable forms: “decided not to go” or, less formal but common, “decided to not go”. The exam-standard fix is “not to go”.

Step-by-Step Solution:

Verification / Alternative check:
Substitute a pronoun: “decided not to do it.” If you try “decided to not to do it,” the extra “to” is clearly wrong. Reading aloud also reveals the redundancy.

Why Other Options Are Wrong:

• A and B are fine; “After listening to …” and “his advice, I …” are standard.
• D is a correct complement phrase.
• E is invalid because the error is present in C.

Common Pitfalls:
Writing “to not to” after verbs of decision; thinking that every negative must follow the first “to”. Remember the compact and accepted “not to + verb”.

Final Answer:
decided to not to