Section One: Comprehension Mistakes
This is the most damaging category of errors because they happen before you write a single word. If your understanding of the passage is flawed, everything that follows will be too.
Mistake 1: Misidentifying the Main Idea
This is the root of most failed precis. A student reads a passage, identifies a prominent point, often one that is emotionally striking or heavily elaborated, and builds their precis around it, not realizing it was a supporting detail, not the central claim.
The author's main idea is the argument that the entire passage is constructed to make. Everything else, including the examples, the statistics, & the anecdotes, exists to support or illustrate that central argument. If you cannot identify the difference, your precis will accurately compress the wrong thing.
Fix it: Before writing anything, ask yourself: what single claim would collapse the entire passage if removed? That is the main idea. Everything else is scaffolding.
Sir Syed Kazim Ali's approach at PrecisWritingLet addresses this directly: his method of identifying key details versus non-essential elements, covered in How to Spot Key Details vs Non-Essential in Precis Writing, teaches aspirants to read structurally rather than emotionally.
Mistake 2: Reading the Passage Only Once
One reading is almost never enough for a complex CSS or PMS passage. The first reading gives you a general impression; the second reading is where you identify the structure, i.e., how the argument is built, where the tone shifts, and which points are central. Students who write after one reading are working with an incomplete map.
Fix it: Read twice before you write anything. First for meaning, second for structure.
Mistake 3: Rushing to Write Before Fully Processing the Passage
Closely related to the above, many aspirants start writing almost immediately after reading, under time pressure or habit. The precis they produce this way is a first-impression reflection of the passage, not a considered compression of it.
Fix it: Take two to three minutes after reading to identify the main idea, the supporting points, and the tone before your pen touches the answer sheet. That pause is not wasted time; instead, it is what separates a structured precis from a rushed one.
Section Two: Structure and Format Mistakes
These errors happen when students understand the passage but fail to present their precis in the correct form.
Mistake 4: Not Writing a Title
Many students skip the precis title entirely, or give it a cursory, vague label. This is a missed opportunity and, in some examination contexts, a direct mark deduction.
A well-chosen title does two things: it demonstrates that you have identified the central theme of the passage, and it signals to the examiner that your precis is controlled and purposeful. A title like "Climate Change" for a passage arguing that policy failure, not scientific ignorance, is the primary obstacle to climate action is too vague. The title should be specific enough to reflect the argument, not just the topic.
Fix it: Choose your title last, after you have written the precis. By then, you have processed the passage thoroughly enough to name its core argument precisely.
Mistake 5: Writing a Precis That Is Too Long
Exceeding the word limit is not a minor error, for it signals to the examiner that the student cannot exercise compression judgment, which is one of the core skills the precis paper is designed to test. A precis that is significantly over the one-third limit will lose marks directly.
Fix it: Count your words. If you are over the limit, identify which sentences are the least essential to the main argument and remove them. Do not trim by removing words from sentences; remove the least necessary ideas entirely.
Mistake 6: Writing a Precis That Is Too Short
The opposite problem is equally penalized. A precis that is significantly under the one-third word count almost certainly omits at least one main idea. Remember, brevity without completeness is not a virtue in precis writing.
Fix it: If your precis feels too short, return to the original passage and ask yourself: Is there a main point I have left out? Add it back in.
Mistake 7: Ignoring the Logical Flow of the Original
A precis should mirror the logical structure of the original passage, not reorganize it according to your own preferences. If the author moves from problem to cause to consequence to recommendation, your precis should follow that same arc in compressed form.
Reorganizing the structure shows the examiner that you have not fully understood how the passage's argument is constructed.
Fix it: After drafting your precis, compare its structure against the original. The sequence of ideas should match.
Mistake 8: Writing in More Than One Paragraph When One Suffices
Most precis should be a single, well-constructed paragraph. Dividing a short precis into multiple paragraphs can fragment the argument and make it feel disjointed.
Fix it: Unless the passage has clearly distinct sections that require separate treatment, keep your precis to one unified paragraph.
Section Three: Language and Expression Mistakes
These errors occur in the writing itself, specifically, in how students put the precis into words.
Mistake 9: Copying Phrases or Sentences from the Original
This is one of the most heavily penalized errors in precis writing, and it is extremely common. Students, particularly those who feel uncertain about their paraphrasing ability, reproduce phrases from the original, sometimes with minor modifications, sometimes verbatim.
The examiner can always identify this. It demonstrates that the student has not actually processed the passage into their own understanding, and they have merely transcribed it.
Fix it: Draft your precis without looking at the original passage. Write from memory. When you check it against the original, look for whether the meaning is preserved, not whether the words match. For detailed guidance on correct grammatical conventions when rewriting, the guide on Tense, Person, and Voice in Precis Writing is essential reading.
Mistake 10: Inconsistent Tense Usage
Precis writing conventionally uses the third person, past tense, except when the passage makes a universal or scientific statement, in which case the present tense is appropriate. Many students shift between past and present tense within a single precis, sometimes within the same sentence, which signals a lack of grammatical awareness.
Fix it: Decide on your tense convention at the outset and maintain it throughout. For the majority of CSS and PMS passages, the past tense is the default. When a statement is clearly universal in nature, switch to the present tense and be consistent.
Mistake 11: Using First-Person Pronouns
Writing "I think," "we see," or "in my view" in a precis is a fundamental error. A precis is not your commentary; it is the author's argument in compressed form. The moment a first-person pronoun appears, the precis has been contaminated with the writer's voice.
Fix it: Read your draft aloud and identify every moment you use "I," "we," or "my." Replace with appropriate third-person constructions. "The author argues that..." or "The passage contends that..." are correct framings for the opening sentence if needed.
Mistake 12: Including Personal Opinion
Beyond first-person pronouns, there is a subtler form of this error: inserting your own view; for instance, using phrases like "unfortunately," "rightly," "this is a serious problem". All these carry the writer's judgment rather than the author's. Therefore, they do not belong in a precis.
Fix it: Read every sentence and ask: Is this the author's claim, or my reaction to it? If it is yours, remove it.
Mistake 13: Using the Same Vocabulary as the Original Without Paraphrasing
There is a common misconception that as long as you are not copying full sentences, you can borrow key terms freely. In moderation, using technical or specialist vocabulary from the original is acceptable; replacing "photosynthesis" with a roundabout phrase serves no one. But students who rely heavily on the original's specific vocabulary without genuinely paraphrasing are not demonstrating comprehension. They are demonstrating transcription.
Fix it: The test is whether you could explain the passage to someone without showing them the original text. If you can, your paraphrase is genuine.
Mistake 14: Weak or Absent Transitions
Compression sometimes leads to a series of ideas that feel disconnected: one point ends abruptly, and the next begins without logical linkage. This produces a precis that reads as a list of compressed statements rather than a coherent piece of writing.
Fix it: Use transition words and phrases that reflect the logical relationships between ideas, like "however," "consequently," "as a result," "furthermore". These transitions should not be placed mechanically, but where the relationship genuinely exists.
Section Four: Judgment and Compression Mistakes
These are the errors of decision-making: what to keep, what to cut, and what to prioritize.
Mistake 15: Including Examples and Illustrations
An example is not a main idea. It exists to illustrate a main idea. Students who include examples in their precis, even compressed ones, are prioritizing the supporting material over the argument it supports.
Fix it: Ask of every detail: does this carry an idea of its own, or does it merely illustrate an idea already stated elsewhere? If it only illustrates, cut it.
Mistake 16: Omitting a Main Idea to Meet the Word Count
When a student is over the word limit, the instinct is often to cut the most complex or difficult-to-compress part of the passage. This is almost always the main idea. The result is a precis that is the right length but incomplete.
Fix it: Cut examples, elaborations, and repeated points first. Main ideas are non-negotiable: they stay regardless of word pressure.
Mistake 17: Treating All Points as Equally Important
Not all points in a passage carry the same weight. Some are central to the argument, while others simply qualify or nuance it. On the other hand, some are purely illustrative. Students who compress everything equally end up with a precis where peripheral points take up space that should be reserved for the argument's core.
Fix it: Rank the passage's points before you write. Central argument first, primary supports second, and illustrations not at all.
Mistake 18: Over-Compressing to the Point of Distortion
There is a tipping point in compression where meaning begins to change. Students who over-compress sometimes produce a precis that is accurate in length but inaccurate in meaning, which means that the argument has been distorted by being stated too briefly, without the qualification or nuance the author intended.
Fix it: After drafting, check every sentence against the original. Ask yourself: does this mean the same thing?
Mistake 19: Writing a Vague Opening Sentence
The first sentence of a precis should clearly establish the central theme of the passage. Many students write opening sentences so broad that they could describe dozens of different passages; for instance, "This passage discusses the importance of environmental awareness" tells the examiner almost nothing specific.
Fix it: Your opening sentence should be specific enough that someone reading only that sentence would understand the core argument of the passage.
Mistake 20: Practicing Without Feedback
This is the systemic mistake that allows all nineteen errors above to persist uncorrected. A student can write precis daily for six months and, without expert feedback, repeat the same structural and comprehension errors throughout, building volume without building skill.
Sir Syed Kazim Ali's training methodology, available through PrecisWritingLet's Precis Writing Courses, is built specifically around this problem: students submit work, receive detailed evaluation, and understand exactly what went wrong and why. The improvement that follows structured feedback is consistently faster and more durable than unguided practice.
For aspirants who want to begin applying these corrections immediately through practice, the CSS Solved Precis and PMS Solved Precis categories on this platform provide real exam passages with worked solutions, the ideal environment to test whether you are making any of the mistakes listed above.
What Students Say About Sir Syed Kazim Ali?
From aspirants to officers, learners nationwide praise Sir Syed Kazim Ali for turning weak writers into confident achievers. Find out why his name stands tall in every successful CSS journey.
How to Build a Mistake-Free Precis Practice Routine
Knowing the mistakes is the first step. The second step is building a practice routine that actively prevents them from recurring.
Work through the following sequence.
Before writing: Read twice. Identify the main idea in one sentence. List the supporting main points. Note the tone. Check the word count of the passage and calculate your target length.
While writing: Draft without looking at the original. Maintain consistent tense and person throughout. Use transitions where the logic demands them. Keep the structure parallel to the original.
After writing: Compare your precis to the original: for meaning accuracy, not word-matching. Then count your words and check for any opinion, first-person, or copied phrases. Finally, read aloud to check for coherence and flow.
Seek feedback: Submit your precis for evaluation. Do not move to the next practice passage until you understand what went wrong in the last one.
For the complete framework on how precis writing rules and standards are applied at this level of preparation, the What is Precis Writing? Complete Beginner-to-Advanced Guide covers the full foundation in one structured read.
Frequently Asked Questions
What is the most common precis writing mistake in CSS exams?
The most common and most damaging mistake is misidentifying the main idea of the passage. Everything else in a precis depends on correctly understanding what the author's central argument is. When this goes wrong, the entire precis is built on a flawed foundation regardless of how well-written it otherwise is.
Is it wrong to use some words from the original passage in a precis?
Specialist or technical vocabulary that has no natural alternative is acceptable. What is not acceptable is borrowing phrases, sentence structures, or general language from the original. The goal is genuine paraphrasing, i.e., expressing the author's meaning in your own words.
Why do students fail precis even when they write the correct length?
Length alone does not make a precis correct. Students can write exactly one-third of the original length and still fail if they have omitted a main idea, distorted the meaning, included personal opinion, or organized the points in a different order from the original. Compression without fidelity to meaning is not a precis; it is a reduction.
How many times should I read a passage before writing a precis?
At a minimum, twice. The first reading is for overall understanding. The second is for structural analysis: identifying the main idea, the supporting points, the tone, and the logical flow. In practice, strong precis writers often read a complex passage three times before writing.
Can I reorganize the ideas from the original passage in my precis?
No. The order of ideas in your precis should follow the order of ideas in the original. Reorganizing the structure implies that you understand the passage better than the author organized it, which is not the task. Precis writing tests fidelity, compression, and expression, not reorganization.
Where can I practice precis writing with real CSS and PMS passages?
PrecisWritingLet by Sir Syed Kazim Ali has a library of CSS Solved Precis and PMS Solved Precis, which provides structured practice material based on authentic past paper passages.
Every one of the twenty mistakes in this article is correctable. None of them require exceptional talent; they require awareness and structured practice. The aspirants who eliminate these errors consistently are the ones who walk out of the precis paper with marks to spare.
