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Study problem · English

I know grammar rules but still slip in essays

You can explain the rule in a test, but the same mistake returns in your essay.

If you can explain a grammar rule but keep breaking it in your writing, the gap is usually in applying it, not learning it. Your attention is on ideas while you write, so old habits take over.

This page shows why this happens and how to close the gap. It also explains when one-to-one English tuition may help.

What does it look like?

You may have thought this: “I know the past tense. I got it right in the exercise. But in my essay I wrote ‘yesterday I go to the shop’.” Or: “I know it should be ‘he goes’, and I still write ‘he go’.”

The rule is not missing. You simply are not using it while you think about what to say next.

Why does this happen?

Writing asks your mind to do several jobs at once: find ideas, choose words, build sentences and keep spelling right. Something has to give, and it is often the rule you learned most recently.

Grammar exercises test one rule with your full attention on it. An essay spreads your attention thin, so the rule slips even though you know it.

A worked example: one draft, three errors

A student writes: “Yesterday, my friend and I go to the library. We borrow two books about animal. The librarian were very kind.”

Ask the student and they can explain all three rules. Past tense: “go” should be “went” and “borrow” should be “borrowed”. Plural: “animal” should be “animals”. Agreement: “were” should be “was” because “librarian” is singular.

The student knows all three rules. The errors stay because nobody checked the sentences for them. An edit pass for one rule at a time finds all three in under a minute.

A one-error-at-a-time routine

Choose the single mistake you make most often. Then read your draft once, looking for only that, and fix each instance.

  1. Check your mistake log or teacher comments and choose one rule.
  2. Underline every verb, or every noun, depending on the rule.
  3. Check each one against the rule and correct it.
  4. Only after that, choose a second rule for a second pass.

If you keep a short list of the rules you slip on, the same two or three will keep appearing. Edit for those first.

What else helps?

Write your own correct sentences for the rule, about your own life. “Yesterday I went to the library” sticks better than a worksheet sentence. Read your corrected paragraph aloud, because your ear often catches a wrong form that your eye skips.

Keep a record of each correction with the reason. The mistake log and paper-error review gives you a place to do this.

When might one-to-one tuition help?

Self-editing works when you can find your own errors. If you read your draft and still cannot see them, or you fix one rule and another goes wrong, a second pair of eyes helps.

In an online one-to-one lesson, a teacher can watch you write a short paragraph, note which rule slips and when, and help you build a checking routine that fits your own habits. The teacher works from your own writing, not from a fixed list.

You can try a lesson with the one-hour trial class (from RM50). The fee is agreed before the trial, and afterwards you decide whether the teacher is a good fit.

Where to go next

For specific repair work, start with grammar repair and using present and past tenses consistently. For the wider balance of content, organisation and language in a response, see balancing content, organisation and language.

To go through your own drafts with a teacher, see online one-to-one English tuition.

Common questions

Why do I know the rule but still make the mistake?

Knowing a rule and applying it while writing are different skills. During drafting your attention is on ideas, so habits take over. Applying the rule reliably needs a separate checking pass.

Should I study more grammar?

Only if you find a rule you do not know. If you can explain the rule when asked, you need practice using it in your own writing, not more explanations.

How many rules can I check at once?

One or two per pass. Checking for every rule at once means you notice none. Choose the rule you break most and read only for that.

Do grammar exercises help my writing?

They help when the exercises use real sentences and you then check your own writing for the same rule. Exercises alone sometimes stay separate from how you write.

If you already know the rules and still slip, one-to-one English lessons let a teacher watch your drafting and editing, and show which rule is skipped at which moment.

  • Online one-to-one lessons for your child with an experienced teacher.
  • Your first class is a one-hour trial, from RM50. The fee is agreed before you book.
  • Happy with the teacher? Continue with lessons of about 1.5 hours. If not, ask for another teacher.