Language Facility Tips for Academic Discussion

Language Facility in the Academic Discussion task rewards clear, grammatically controlled sentences with some variety in structure — not complex vocabulary or long, elaborate sentences. Writing cleanly and confidently within the 10-minute limit matters more than reaching for impressive words.

In this guide

1. What Language Facility actually measures
2. Sentence variety without overcomplicating
3. Vocabulary: precision over sophistication
4. Common grammar slips under time pressure
5. How to proofread in the time you have
6. Try this yourself
7. Frequently asked questions

What Language Facility actually measures

This criterion looks at grammatical control, sentence variety, and vocabulary precision across your response. It does not require academic jargon or unusually long sentences — a response built from clear, correctly constructed sentences of varying length and structure typically scores as well as, or better than, one that reaches for complexity and introduces errors in the process.

Sentence variety without overcomplicating

Aim for a mix of sentence types: a simple direct statement, a sentence with a concession ("although," "while"), and a sentence connecting to a classmate's point ("Building on what Priya said..."). This variety demonstrates control without requiring unusually complex grammar. Avoid stacking multiple subordinate clauses in one sentence just to seem sophisticated — this is where control most often breaks down under time pressure.

Vocabulary: precision over sophistication

A precise, correctly used common word ("costly" instead of a vaguer "bad") demonstrates stronger language control than a rare word used slightly incorrectly. Reaching for unfamiliar vocabulary under time pressure is one of the most common ways writers introduce avoidable errors. Use the vocabulary you're confident with, and prioritize precision over impressiveness.

Common grammar slips under time pressure

• Subject-verb agreement errors in longer sentences ("The reasons students struggle are because...")
• Missing articles ("Online classes give flexibility to student" instead of "to students")
• Run-on sentences that combine two full ideas without proper punctuation or connectors
• Inconsistent verb tense between the position and elaboration sentences

How to proofread in the time you have

With only 10 minutes total, a full grammar review isn't realistic — instead, do a targeted 20–30 second check focused on your first and last sentence, since these tend to anchor a reader's impression of your overall control. If time allows, also scan for subject-verb agreement in your longest sentence, since that's where errors are most likely to hide.

Why grammar mistakes cluster in longer sentences

Errors tend to appear disproportionately in the sentence where you're doing the most work — usually the elaboration sentence that connects a reason to your position. This is often the longest, most complex sentence in the response, and the one written under the most time pressure. Being aware of this pattern means you can specifically slow down slightly when writing that sentence, rather than distributing equal care across every sentence regardless of complexity.

Balancing speed and accuracy under the 10-minute limit

Writing quickly and writing accurately can feel like competing goals under time pressure, but they don't have to be. Sticking to sentence structures and vocabulary you're genuinely confident with — rather than reaching for something more complex mid-sentence — lets you write at a natural pace without introducing avoidable errors. Confidence with your own working vocabulary, built through practice, is what ultimately lets speed and accuracy coexist.

Try this yourself

Write a response to a practice Academic Discussion prompt, then reread it specifically for sentence variety and the common slips listed above. Confirm your self-check with the Academic Discussion checker, which flags language issues as part of its full criterion breakdown.

Frequently asked questions

Does using advanced vocabulary boost my score?

Not directly, and it can hurt your score if it introduces errors. Precise, correctly used vocabulary at any level demonstrates stronger control than misused advanced words.

How many grammar errors are too many?

There's no fixed number — what matters is whether errors are isolated and minor, or frequent enough to make sentences hard to follow. A pattern of unclear sentences affects the score more than one or two isolated slips.

Should I write simple sentences only, to avoid errors?

Some variety is rewarded, so avoid writing only simple sentences throughout. A mix of sentence types, written with control, demonstrates stronger Language Facility than either extreme.

Does it help to plan my exact wording before writing?

Planning your position and main reason before writing helps more than planning exact wording, since exact-wording plans tend to fall apart once you start typing under time pressure. Plan the content, then let the sentence construction happen naturally as you write.

See the full scoring picture in how the Academic Discussion is scored, and review common mistakes in the Academic Discussion task.