Spot-the-error questions have one of the highest "I knew that rule but still got it wrong" rates in SSC CGL English. That's because most of these questions aren't testing obscure grammar — they're testing whether you notice a small, familiar rule broken in a sentence that otherwise sounds fine on a quick read. Our PYQ dataset shows this category appearing 223 times across the papers we analyzed, making it one of the highest-yield areas in the whole English section.
This article breaks down the specific traps SSC uses most often, with the underlying rule explained plainly, followed by a 10-question practice set at the end.
1. Subject-Verb Agreement Traps
This is the single most common error category. SSC loves burying a singular subject inside a sentence that "feels" plural.
Rule: "Neither," "either," "each," and "every" always take a singular verb, no matter how many items follow.
Wrong: Neither of the boys have completed their work.
Right: Neither of the boys has completed his work.
Rule: "One of the + plural noun" takes a plural noun but a singular verb for the main clause.
Wrong: She is one of the best student in the class.
Right: She is one of the best students in the class.
Rule: "Along with," "as well as," "together with," and "in addition to" do NOT make the subject plural. The verb still agrees with the original subject.
Wrong: The manager, along with his team, are attending the meeting.
Right: The manager, along with his team, is attending the meeting.
Rule: Collective nouns (news, mathematics, physics, team, family) are usually treated as singular when referring to the group as one unit.
Wrong: The news of his promotion were welcomed by everyone.
Right: The news of his promotion was welcomed by everyone.
2. Preposition Errors
SSC frequently tests fixed preposition pairings that don't follow logic — you either know the correct pairing or you don't.
- Married to (not "married with") — She is married to a doctor.
- Different from (not "different than," in formal usage) — This is different from what I expected.
- Since for a specific point in time, For for a duration — He has lived here since 2019 / for five years.
- Good at (not "good in") — She is good at mathematics.
- Depend on (not "depend upon" in most modern formal usage, though both are accepted) — It depends on the weather.
3. Tense Consistency Errors
Rule: Don't mix past and present tense within the same sentence unless there's a clear reason to.
Wrong: He finished his homework and goes to play.
Right: He finished his homework and went to play.
Rule: "Since" and "for" with present perfect need "have/has" + past participle, not simple past.
Wrong: I am living here since 2020.
Right: I have been living here since 2020.
4. Article Errors (A / An / The)
Rule: Use "an" before a vowel sound, not just a vowel letter. "An hour" (silent h) but "a university" (sounds like "yoo").
Wrong: She waited for an hour and a half in a university library. — this one's actually correct; the common trap is reversing it: She waited for a hour in an university library.
5. Redundancy and Double Comparatives
Rule: Don't stack two comparative forms together.
Wrong: This is more better than the last one.
Right: This is better than the last one.
Rule: Avoid redundant phrasing like "return back," "repeat again," "each and every," "past history."
Wrong: Please return back the book by Friday.
Right: Please return the book by Friday.
6. Parallelism Errors
Rule: Items in a list or comparison must share the same grammatical form.
Wrong: She likes reading, to write, and painting.
Right: She likes reading, writing, and painting.
Quick Practice Set (10 Questions)
Identify which part has an error, or select "No error." Tap each question to reveal the answer.
Q1. Each of the students (a) / were given (b) / a copy of the syllabus. (c) / No error (d)
Answer: (b) — should be "was given"
Q2. He is married with (a) / a woman who works (b) / as a teacher. (c) / No error (d)
Answer: (a) — should be "married to"
Q3. The committee, along with its members, (a) / have decided (b) / to postpone the event. (c) / No error (d)
Answer: (b) — should be "has decided"
Q4. I have been working here (a) / since five years (b) / and enjoy it a lot. (c) / No error (d)
Answer: (b) — should be "for five years"
Q5. This mobile is more cheaper (a) / than the one (b) / I bought last year. (c) / No error (d)
Answer: (a) — should be "cheaper," not "more cheaper"
Q6. Mathematics are (a) / my favourite subject (b) / since childhood. (c) / No error (d)
Answer: (a) — should be "Mathematics is"
Q7. She is one of the most talented singer (a) / I have ever heard (b) / in my entire life. (c) / No error (d)
Answer: (a) — should be "talented singers"
Q8. He is good in playing (a) / the guitar and has been practicing (b) / for many years. (c) / No error (d)
Answer: (a) — should be "good at playing"
Q9. Please repeat again (a) / what you said, (b) / I didn't hear it clearly. (c) / No error (d)
Answer: (a) — should be just "repeat" (redundant "again")
Q10. She enjoys swimming, hiking, (a) / and to read books (b) / on weekends. (c) / No error (d)
Answer: (b) — should be "reading books" for parallel structure
Quick FAQ
Q: Do I need to memorize every grammar rule to do well on this section?
A: No — SSC recycles the same handful of trap categories repeatedly. Knowing the six patterns above covers the large majority of what's actually tested.
Q: What's the fastest way to spot the error under time pressure?
A: Read the sentence once for meaning, then scan specifically for the subject and its verb — subject-verb agreement traps account for the largest share of these questions, so checking that first catches the most errors per second spent.
Test what you've learned here with our free English mock test.
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