1. What is Error Detection?
You are given a sentence divided into 3 or 4 parts.You must identify which part contains a grammatical error.
⭐ 2. MOST IMPORTANT RULES (Asked in EMRS/NVS/KVS)
๐น Rule 1: Subject–Verb Agreement
Singular subject → singular verb
Plural subject → plural verb
✔ Each, Every, Everyone, Someone → singular verb
✔ News, Mathematics, Politics → singular
Example:
The list of items is long. (NOT are)
๐น Rule 2: Tense consistency
A sentence must maintain the same tense unless a clear time shift occurs.
Example:
He said that he was tired. (NOT is)
๐น Rule 3: Article usage
Use a/an for general nouns
Use the for specific nouns
Example:
He is a teacher.
He is the best teacher.
๐น Rule 4: Pronoun consistency
Pronoun must agree with its noun.
Example:
Everyone must bring his/her book.
(NOT their in formal grammar)
๐น Rule 5: Prepositions
Some prepositions are fixed:
Interested in
Good at
Capable of
Consist of
Complain of/about
๐น Rule 6: Modals take base verb
can, may, must, should, would, could + V1
Example:
He can do it. (NOT does)
๐น Rule 7: Comparison rules
After than, use object form.
Example:
He is taller than me. (NOT I)
๐น Rule 8: Conditional sentences
If + present → future
If + past → would
If + had + V3 → would have + V3
๐น Rule 9: Common wrong expressions
❌ return back → ✔ return
❌ discuss about → ✔ discuss
❌ more better → ✔ better
❌ cope up → ✔ cope with
๐น Rule 10: Participles and gerunds
After enjoy, avoid, stop, mind → use V+ing
Example:
He enjoys reading.
(NOT read)
⭐ 3. 20 MCQs (EMRS/NVS/KVS Style)
Find the part with an error.
Q1.
He (A) is one of the boys who (B) always comes late (C) to class. (D) No error
Ans: C (who = boys = plural → “come”)
Q2.
Each of the students (A) have submitted (B) their assignments (C) on time. (D)
Ans: B (Each → singular: has)
Q3.
Neither of the answers (A) are correct (B) according to the teacher (C). (D)
Ans: B (Neither → singular: is)
Q4.
The teacher asked me (A) to explain the chapter (B) in details (C). (D)
Ans: C (Correct: in detail, not details)
Q5.
She succeeded (A) to win the first prize (B) in the competition (C). (D)
Ans: B (Correct: succeeded in winning)
Q6.
He was senior (A) than me (B) in college (C). (D)
Ans: A (Correct: senior to not than)
Q7.
The news (A) are very exciting (B) today (C). (D)
Ans: B (News → singular: is)
Q8.
No sooner did I reach the station (A) when the train left (B) the platform (C). (D)
Ans: B (No sooner… than, not when)
Q9.
He is good (A) in playing chess (B) for many years (C). (D)
Ans: B (good at playing)
Q10.
One of my friends (A) have gone abroad (B) for higher studies (C). (D)
Ans: B (One… has)
Q11.
The committee (A) have decided (B) to postpone the meeting (C). (D)
Ans: B (Committee → singular group → has)
Q12.
She prefers tea (A) more than (B) coffee (C). (D)
Ans: B (Prefer takes to, no “more”)
Q13.
Hardly had he entered (A) the hall (B) then the lights went off (C). (D)
Ans: C (Hardly… when)
Q14.
He is junior (A) than me (B) by two years (C). (D)
Ans: A (junior to)
Q15.
Many a student (A) have failed (B) the test (C) this year (D).
Ans: B (Many a → singular → has)
Q16.
She denied (A) to have seen (B) the missing file (C). (D)
Ans: B (denied having seen)
Q17.
The train will arrive (A) till (B) 5 p.m. (C) today (D).
Ans: B (Correct: by 5 p.m.)
Q18.
It is high time (A) we leave (B) the place (C). (D)
Ans: B (High time → past tense: left)
Q19.
This book is different (A) than (B) that book (C). (D)
Ans: B (different from)
Q20.
He insisted (A) to go (B) with him to the market (C). (D)
Ans: B (insisted on going)
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