How to Spot Errors in English Fast: 15 Quick Tricks to Score Full Marks
Learn 15 quick tricks to spot errors in English fast, with a FAST routine, memory hooks and a practice set. Built for SSC, bank and railway exams.
Try this in ten seconds: (A) The quality of these mangoes / (B) are poor / (C) this season. / (D) No error.
If you spotted it, ask yourself how. Did you read the whole sentence and feel something was off? Or did you jump to the verb, trace it back to “quality” and see the mismatch? Fast students do the second thing. Slow students do the first, and then read the sentence again, and again, and still feel unsure.
Speed in error spotting isn’t about reading faster. It’s about knowing where to look. A trained eye goes straight to five or six spots where errors live, while an untrained eye wanders across the whole sentence and gets distracted by meaning.
This guide gives you 15 quick tricks to spot errors fast: seven scanning habits and eight lightning checks. You’ll also get a four-letter routine called FAST, a 20-second time plan and a twelve-question practice set with answers. After 22 years of teaching, I can tell you that students who practise scanning gain more in two weeks than students who read ten more rule lists. This post sits on top of my earlier guides on subject-verb agreement, tenses, prepositions and articles, so read those if a rule here feels new.
- How error spotting works
- The FAST routine
- 15 quick tricks with examples
- Three trap sentences examiners reuse
- Quick-fix cheat sheet
- The 5-step error spotting method
- A 20-second time plan
- A 5-day practice plan
- Practice set with answers
- FAQ
- Related articles
How error spotting works
Before the tricks, understand the format, because the format itself gives you clues.
The sentence is cut into parts. Usually three, labelled (A), (B) and (C), with (D) as “No error.” Only one part can be wrong.
Examiners don’t invent odd mistakes. They reuse the same dozen patterns: agreement, tense, articles, prepositions, pronouns and a few word-form slips.
Meaning stays fine. Wrong sentences still make sense, which is why reading for meaning fails.
A note on the examples in this post: every sentence is an original practice sentence on a common exam pattern. None of them is copied from a particular year’s paper, and I haven’t attached any year to them. The patterns are what repeat, and the patterns are what you should learn.
The FAST routine
You can’t run fifteen tricks one by one on every question. You need one routine that covers the most common errors in about five seconds.
“FAST.”
F = Find the verb and trace its subject
A = Ask what the time word says
S = Small words: articles and prepositions
T = Tally the pairs: pronouns, comparisons and matching forms
Say FAST silently on every sentence. Each letter is a place to look, and together they cover most of what examiners test.
15 quick tricks with examples
Tricks 1 to 7 are scanning habits. Tricks 8 to 15 are lightning checks for patterns that look innocent.
Trick 1: Two-Pass Reading
✓ The quality of these mangoes is poor this season.
Read once for meaning, then once for mistakes. Don’t try to do both at the same time. Memory trick: “Meaning first, mistakes second.”
Trick 2: Verb First, Subject Second
✓ The books on the shelf are dusty.
Underline the verb, then trace back to find what is doing the action. The noun nearest the verb is often a decoy. Memory trick: “Verb first, subject second.” For the full set of agreement patterns, see my subject-verb agreement exam rules.
Trick 3: Hunt the Time Word
✓ He joined the company two years ago.
Circle words like ago, yesterday, since, already and by the time. They decide the tense before the verb does. Memory trick: “The time word is the question. The verb is the answer.” See present perfect vs past simple exam traps.
Trick 4: Slow Down at Small Words
✓ He is fond of music.
Articles, prepositions and pronouns are short, so eyes skip them. Make yourself read each one on purpose. Memory trick: “Small words hide big errors.”
Trick 5: The Cover-Up Trick
✓ The news about the strike was shocking.
Use your finger or pencil to cover all parts except one, then check that part with the one beside it. It forces you to read slowly in small pieces. Memory trick: “Hide and seek.”
Trick 6: The Seam Rips First
✓ We reached the station on time.
Errors cluster at the boundary between two parts, because the cut often separates a word from its partner. Check the first and last word of each part. Memory trick: “The seam rips first.”
Trick 7: One Needs One’s
✓ One should do one’s duty without fear.
A pronoun must match the noun it refers to. After the pronoun one, keep using one or one’s. Memory trick: “One needs one’s.”
Trick 8: Verb Asks How
✓ She sings very beautifully in the choir.
A word that describes a verb is an adverb, usually ending in -ly. Adjectives describe nouns. Memory trick: “Verb asks how? Answer with -ly.”
Trick 9: Match the Coaches
✓ She likes swimming and dancing on weekends.
Items joined by and, or or but must be in the same form. Memory trick: “In a train, the coaches must match.”
Trick 10: Return Already Means Back
✓ Please return the book tomorrow.
Words like return, revert, repeat and reply already carry the idea of back or again, so don’t add it twice. Memory trick: “Return has back inside it.”
Trick 11: Any Other, Not Any
✓ He is taller than any other boy in the class.
When you compare a person with a group he belongs to, use any other, so he isn’t compared with himself. Memory trick: “Compare with the others, not with yourself.”
Trick 12: One of Takes the Crowd
✓ One of my friends is a doctor.
After one of the, the noun is plural, but the verb stays singular because the subject is one. Memory trick: “One of takes the crowd. The verb takes one.”
Trick 13: Many Counts, Much Weighs
✓ He has much money in the bank.
Use many with countable nouns and much with uncountable ones. Few and little follow the same split. Memory trick: “Many counts. Much weighs.”
Trick 14: Although and But Never Share
✓ Although he was tired, he kept working.
Although (or though) already shows the contrast, so the second half doesn’t need but. The same goes for because and so. Memory trick: “Although and but never share a sentence.”
Trick 15: Earn Your No Error
✓ Neither of the two answers is correct.
Choose (D) only after FAST finds nothing. A smooth-sounding sentence is the favourite hiding place of an error, and the one above hides a verb mismatch. Memory trick: “No error is earned, not given.” If the sentence passes every check, though, (D) is a perfectly good answer.
Three trap sentences examiners reuse
Once you know the fifteen tricks, these three disguises are easy to spot.
Trap 1: The decoy noun. “The price of vegetables have risen.” The noun beside the verb is plural, but the real subject is “price.” Use “has risen.”
Trap 2: The smooth sentence. “She is one of the best player in the team.” It sounds natural, but one of the best takes a plural noun, so use “players.”
Trap 3: The double connector. “Because it rained, so we stayed home.” Because already gives the reason, so remove so.
Notice the pattern. Each sentence is easy to read and sounds fine. That’s why the scan has to come before your ear.
Quick-fix cheat sheet (screenshot this)
| Trick | Quick fix |
|---|---|
| 1. Two-pass | Meaning first, mistakes second. |
| 2. Verb first | Verb first, subject second. |
| 3. Time word | The time word is the question. |
| 4. Small words | Small words hide big errors. |
| 5. Cover-up | Hide and seek. |
| 6. Seams | The seam rips first. |
| 7. One | One needs one’s. |
| 8. Adverbs | Verb asks how? Use -ly. |
| 9. Parallel | Match the coaches. |
| 10. Double words | Return has back inside it. |
| 11. Comparisons | Any other, not any. |
| 12. One of | One of takes the crowd. |
| 13. Many, much | Many counts. Much weighs. |
| 14. Although | Although and but never share. |
| 15. No error | Earn it. |
For 100 triggers like these across grammar topics, see 100 English Grammar Shortcuts: Master Key Exam Grammar Shortcuts on Amazon.
The 5-step error spotting method
FAST tells you where to look. This routine tells you how to run it from start to finish.
Step 1: Read the sentence once. Understand it, then forget the meaning.
Step 2: F. Underline the verb and trace its subject.
Step 3: A and S. Circle the time word and read every small word.
Step 4: T. Tally the pairs: pronouns, comparisons and matching forms. Test your fix by reading the corrected sentence.
Step 5: Only then choose “No error.” It’s a conclusion, never a default.
A 20-second time plan
Here’s a plan that works for most students. Adjust the seconds to suit your pace.
0 to 4 seconds: read once for meaning.
4 to 9 seconds: F and A: verb, subject, time word.
9 to 16 seconds: S and T: small words, pairs and pronouns.
16 to 20 seconds: test your fix and mark the answer. If you’re stuck, skip it and return.
Don’t spend a minute on one question. A skipped question that you revisit with fresh eyes is often solved in five seconds. The 20 seconds is a practice target, not an official limit, so check your exam’s timing.
A pattern I see in almost every batch
Here’s something that repeats year after year in my classes. A student knows every rule on this page, yet loses marks because they read the sentence once, felt it was fine and chose (D). The knowledge is there. The scan isn’t.
The fix is a habit, not more theory. Take ten sentences from any newspaper, run FAST on each and write down which letter caught the problem. Ten sentences a day for two weeks trains your eyes to travel to the right spot automatically, and that’s the whole skill.
Expert tips for exam day
Read the options as a pair. If two parts depend on each other, read them together.
Trust the scan over your ear. “It sounds fine” is why most errors survive.
Skip and return. Mark hard questions and come back. Fresh eyes are faster.
Keep an error log. Write down every trick you miss and revise that list for a week.
A 5-day practice plan
You don’t need a big block of time. Fifteen minutes a day is enough if you do the same thing each time: read the tricks, say the memory hooks aloud, then solve ten mixed sentences and note every mistake.
Day 1: Tricks 1 to 3
Day 2: Tricks 4 to 6
Day 3: Tricks 7 to 9
Day 4: Tricks 10 to 12
Day 5: Tricks 13 to 15, then retake the practice set below
Three mistakes to avoid
Re-reading instead of scanning. Reading the same sentence three times doesn’t help. Scan it three different ways.
Learning all fifteen in one evening. It feels productive and fades by morning. Three a day holds far better.
Choosing D to save time. A wrong D costs the same as any wrong answer. Earn it.
Practice set: 12 error spotting questions
Find the part with the error, or choose (D) if there’s none. These are original practice sentences written for this guide. Try them before you read the answers.
- The quality of these mangoes (A) / are poor (B) / this season. (C) / No error (D)
- He has joined (A) / the company (B) / two years ago. (C) / No error (D)
- One should do (A) / his duty (B) / without fear. (C) / No error (D)
- She sings (A) / very beautiful (B) / in the choir. (C) / No error (D)
- She likes swimming (A) / and to dance (B) / on weekends. (C) / No error (D)
- Please return back (A) / the book (B) / tomorrow. (C) / No error (D)
- He is taller (A) / than any boy (B) / in the class. (C) / No error (D)
- One of my friend (A) / is a (B) / doctor. (C) / No error (D)
- He has (A) / many money (B) / in the bank. (C) / No error (D)
- Although he was tired, (A) / but he (B) / kept working. (C) / No error (D)
- We reached to (A) / the station (B) / on time. (C) / No error (D)
- Neither of the two answers (A) / is correct (B) / in my opinion. (C) / No error (D)
Answers
1. (B): the real subject is “quality,” so use “is poor.” (Trick 1)
2. (A): ago needs the simple past, so use “joined.” (Trick 3)
3. (B): after one, keep using one’s, so use “one’s duty.” (Trick 7)
4. (B): the verb asks how, so use “beautifully.” (Trick 8)
5. (B): match the forms, so use “and dancing.” (Trick 9)
6. (A): return already means back, so use “return.” (Trick 10)
7. (B): use any other when comparing within a group, so use “any other boy.” (Trick 11)
8. (A): after one of, use the plural, so “one of my friends.” (Trick 12)
9. (B): money is uncountable, so use “much money.” (Trick 13)
10. (B): although and but never share, so delete “but.” (Trick 14)
11. (A): reach needs no preposition, so use “reached the.” (Trick 6)
12. (D): no error. Neither of takes a singular verb, and “is” is correct. (Trick 15)
If you scored 11 or 12, you’re ready for harder questions. If you scored 7 to 10, revise the tricks you missed. If you scored below 7, go back to FAST and the cheat sheet, and retake the set after two days.
Frequently asked questions
How can I spot errors in English faster?
Stop reading for meaning and start scanning for patterns. Underline the verb, find its subject, check the time word, read every small word and tally the pairs. A fixed routine like FAST makes it automatic.
How much time should I spend on one error spotting question?
A practice target of about 20 seconds works for many students, but it’s not an official limit. Check your exam’s timing, and skip a stuck question to return to it later.
Is No error often the right answer?
Don’t guess the frequency. Treat No error as a conclusion you reach only after a full scan, not as a default or a way to save time.
Are these tricks enough, or do I need the full rules?
The tricks are triggers, not replacements. Learn the rule once, attach a trick to it and use the trick under time pressure. If a trick fails on an odd sentence, go back to the rule.
Is there a book with more shortcuts?
Yes. The ebook 100 English Grammar Shortcuts: Master Key Exam Grammar Shortcuts expands this idea to 100 rules with memory tricks, and you can find it on Amazon.
Your next step
Errors survive because they’re small and because we read for meaning. Change how you read. Run FAST on every sentence, name the trick and only then choose “No error.”
When you’re ready for the full set, grab 100 English Grammar Shortcuts: Master Key Exam Grammar Shortcuts on Amazon: https://link.amazon/B03rEYi9F
Which of the 15 tricks caught you out? Tell me in the comments, and I’ll explain it in more detail.
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100 English Grammar Shortcuts: Master Key Exam Grammar Shortcuts
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