PrepYodhaPrepYodhaClass Notes · English
English · Chapter 18 · Error Spotting

Error Spotting

Error spotting is the exam's grammar test in disguise. A sentence is split into three or four parts and you must find the one part that contains a mistake — or answer "No error". It draws on everything from the earlier chapters: noun number, pronoun case, subject-verb agreement, tenses, prepositions and articles. The method is to read each part slowly and check it against a mental list of the common errors. This chapter groups those errors by type and drills each.त्रुटि-पहचान छुपा हुआ व्याकरण परीक्षण है। वाक्य तीन-चार भागों में बँटा होता है और आपको वह एक भाग खोजना है जिसमें गलती है — या "No error" चुनना है। यह पिछले अध्यायों की हर बात पर आधारित है: संज्ञा वचन, सर्वनाम कारक, कर्ता-क्रिया मेल, काल, preposition और article। विधि है — हर भाग धीरे पढ़ें और आम त्रुटियों की मानसिक सूची से मिलाएँ। यह अध्याय उन त्रुटियों को प्रकार से समूहित कर अभ्यास कराता है।
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Topic 01

Method & Noun-Number Errors

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Error Spotting — downloadable PDF
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Read each segment in isolation and ask "is this part correct on its own and with its neighbours?" Do not stop at the first part that sounds odd — check all of them, because sometimes there is No error. Frequent noun traps: uncountables have no plural ("informations" ✗); "hundred/dozen" stay singular after a number ("three dozen", not "three dozens"); some nouns are singular in sense though plural in look ("Mathematics is…").हर भाग को अलग पढ़ें और पूछें "क्या यह भाग अपने आप में और पड़ोसियों के साथ सही है?" पहले अटपटे भाग पर न रुकें — सब जाँचें, क्योंकि कभी No error होता है। आम संज्ञा जाल: अगणनीय का बहुवचन नहीं ("informations" ✗); संख्या के बाद "hundred/dozen" एकवचन ("three dozen"); कुछ संज्ञाएँ दिखने में बहुवचन पर अर्थ में एकवचन ("Mathematics is…")।

📝 Self-test — find the part with the errorस्वयं-परीक्षण — गलत भाग खोजें 4 MCQs

He gave me / many informations / about the job.He gave me / many informations / about the job.

  1. many informations
  2. about the job
  3. He gave me
  4. No error
✔ A. "information" is uncountable → "much information".✔ A. "information" अगणनीय → "much information"।

Mathematics / are / my favourite subject.Mathematics / are / my favourite subject.

  1. No error
  2. Mathematics
  3. are
  4. my favourite subject
✔ C. "Mathematics" is singular → "is".✔ C. "Mathematics" एकवचन → "is"।

I bought / three dozens / of bananas.I bought / three dozens / of bananas.

  1. of bananas
  2. three dozens
  3. I bought
  4. No error
✔ B. After a number, "dozen" stays singular → "three dozen".✔ B. संख्या के बाद "dozen" एकवचन → "three dozen"।

The cattle / is grazing / in the field.The cattle / is grazing / in the field.

  1. is grazing
  2. The cattle
  3. No error
  4. in the field
✔ A. "Cattle" takes a plural verb → "are grazing".✔ A. "Cattle" बहुवचन क्रिया → "are grazing"।
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Topic 02

Pronoun & Agreement Errors

Watch the verb after each / either / neither / one of / the number of — all singular. After a preposition or "than/let", the pronoun is objective ("between you and me", "Let them go") except after "than" in a comparison ("taller than I"). "As well as / along with" do not change the number of the verb.each / either / neither / one of / the number of के बाद क्रिया देखें — सब एकवचन। preposition या "than/let" के बाद सर्वनाम कर्म कारक ("between you and me", "Let them go"), पर तुलना में "than" के बाद कर्ता ("taller than I")। "As well as / along with" क्रिया का वचन नहीं बदलते।

📝 Self-test — find the part with the errorस्वयं-परीक्षण — गलत भाग खोजें 4 MCQs

Each of the boys / have / done his homework.Each of the boys / have / done his homework.

  1. done his homework
  2. No error
  3. Each of the boys
  4. have
✔ D. "Each of" takes a singular verb → "has".✔ D. "Each of" एकवचन क्रिया → "has"।

The teacher, along with the students, / are / going on a trip.The teacher, along with the students, / are / going on a trip.

  1. going on a trip
  2. The teacher, along with the students,
  3. No error
  4. are
✔ D. "along with" is ignored; subject "teacher" → "is".✔ D. "along with" अनदेखा; कर्ता "teacher" → "is"।

He is taller / than / me.He is taller / than / me.

  1. me
  2. He is taller
  3. than
  4. No error
✔ A. After "than" in a comparison, use the subjective "I".✔ A. तुलना में "than" के बाद कर्ता "I"।

The number of students / are / increasing every year.The number of students / are / increasing every year.

  1. increasing every year
  2. are
  3. The number of students
  4. No error
✔ B. "The number of" is singular → "is".✔ B. "The number of" एकवचन → "is"।
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Topic 03

Tense & Verb-Form Errors

A past-time word (yesterday, ago) needs the simple past, not the present perfect ("I saw him yesterday"). Do not use "will" in an "if/when" clause when the main clause is future. Stative verbs (know, believe, love, have=possess) are not used in the continuous ("She knows", not "is knowing").भूत-समय शब्द (yesterday, ago) के साथ simple past, present perfect नहीं ("I saw him yesterday")। मुख्य उपवाक्य भविष्य हो तो "if/when" उपवाक्य में "will" नहीं। स्थितिवाचक क्रिया (know, believe, love, have=रखना) continuous में नहीं ("She knows", "is knowing" नहीं)।

📝 Self-test — find the part with the errorस्वयं-परीक्षण — गलत भाग खोजें 4 MCQs

I / have seen / him yesterday.I / have seen / him yesterday.

  1. him yesterday
  2. I
  3. No error
  4. have seen
✔ D. "yesterday" needs the simple past → "saw".✔ D. "yesterday" के साथ simple past → "saw"।

If you will study hard, / you / will surely pass.If you will study hard, / you / will surely pass.

  1. will surely pass
  2. you
  3. If you will study hard,
  4. No error
✔ C. No "will" in the if-clause → "If you study hard".✔ C. if-उपवाक्य में "will" नहीं → "If you study hard"।

She / is knowing / the answer to the question.She / is knowing / the answer to the question.

  1. She
  2. is knowing
  3. No error
  4. the answer to the question
✔ B. "know" is stative → "knows", not the continuous.✔ B. "know" स्थितिवाचक → "knows", continuous नहीं।

By the time we reached, / the train / had already left.By the time we reached, / the train / had already left.

  1. No error
  2. By the time we reached,
  3. had already left
  4. the train
✔ A. The past perfect for the earlier past action is correct → No error.✔ A. पहले भूत कार्य के लिए past perfect सही → No error।
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Topic 04

Preposition, Article & Modifier Errors

Some verbs take no preposition (reach, discuss, order, resemble): "reach the station", not "reach at". Fixed pairs: married to, prefer to, superior to, die of (a disease). No article before a general uncountable ("advice", not "an advice"). Use an adverb, not an adjective, to modify a verb ("sings beautifully"). Absolute adjectives (unique, perfect) take no "more/most".कुछ क्रियाएँ preposition नहीं लेतीं (reach, discuss, order, resemble): "reach the station"। निश्चित युग्म: married to, prefer to, superior to, die of। सामान्य अगणनीय से पहले article नहीं ("advice", "an advice" नहीं)। क्रिया के लिए adverb, विशेषण नहीं ("sings beautifully")। निरपेक्ष विशेषण (unique, perfect) "more/most" नहीं लेते।

📝 Self-test — find the part with the errorस्वयं-परीक्षण — गलत भाग खोजें 4 MCQs

We reached / at the station / just in time.We reached / at the station / just in time.

  1. No error
  2. just in time
  3. at the station
  4. We reached
✔ C. "reach" takes no preposition → "reached the station".✔ C. "reach" preposition नहीं लेता → "reached the station"।

He is married / with / a rich lady.He is married / with / a rich lady.

  1. No error
  2. a rich lady
  3. He is married
  4. with
✔ D. "married to", not "married with".✔ D. "married to", "married with" नहीं।

The teacher gave / a advice / to the students.The teacher gave / a advice / to the students.

  1. No error
  2. The teacher gave
  3. a advice
  4. to the students
✔ C. "advice" is uncountable → no "a" ("some advice").✔ C. "advice" अगणनीय → "a" नहीं ("some advice")।

This is / the most unique / solution to the problem.This is / the most unique / solution to the problem.

  1. No error
  2. the most unique
  3. solution to the problem
  4. This is
✔ B. "unique" is absolute → just "unique", not "most unique".✔ B. "unique" निरपेक्ष → केवल "unique", "most unique" नहीं।

Test Yourself · Error Spotting

12 questions — find the part that has the error (or choose "No error"). Tap an option to check, then read Why.

12 प्रश्न — गलती वाला भाग खोजें (या "No error" चुनें)। जाँचने के लिए विकल्प पर टैप करें, फिर Why पढ़ें।