Most French writing errors fall into the same five categories — a pattern that becomes clear once you know what to look for. Identifying which of these mistakes appears most often in your own writing is the fastest way to improve your accuracy, whether you're preparing for TCF, DELF, or writing French for work or study. Each one below comes with a quick test you can run on your own sentences.
Mistake 1: Confusing A and À
This is the single most common error in French writing at every level, because the two words sound identical — the accent only matters in writing. A (no accent) is the third-person singular present of avoir: Elle a un chien. À (with accent) is the preposition meaning "to," "at," or "in": Je vais à Paris.
Wrong: Elle va a l'école a pied.
Correct: Elle va à l'école à pied.
The test: mentally replace the word with avait (imperfect of avoir). If the sentence still makes sense, it's the verb a. If it doesn't, it's the preposition à and needs the accent: "Elle avait un chien" works, so no accent; "Elle va avait Paris" doesn't work, so it needs à.
Mistake 2: Missing or Wrong Accent Marks
French accents change both pronunciation and meaning — they are not decorative. Omitting them in handwriting is often penalised directly on exam rubrics, and omitting them in typed work reads as a clear non-native signal to any French reader.
| Without accent | With accent | Meaning changes to |
|---|---|---|
| ou (or) | où (where) | completely different word |
| a (has) | à (to/at) | verb vs preposition |
| la (the/her) | là (there) | article/pronoun vs adverb |
| du (some/of the) | dû (owed, past participle of devoir) | article vs verb form |
| sur (on) | sûr (sure/certain) | preposition vs adjective |
When typing French, use a dedicated tool with one-click accent insertion rather than trying to remember keyboard shortcuts mid-sentence. The French Writing Editor puts every accented character one click away — no switching input method, no interruption to your writing flow.
Mistake 3: Wrong Noun Gender
French noun gender affects the article, every adjective that modifies the noun, and pronoun reference — getting one word wrong can create a chain of agreement errors across an entire sentence. The most dangerous traps are nouns that contradict their suffix pattern: le problème (not la problème), la fleur (not le fleur), le musée (not la musée).
Wrong: C'est un grande problème.
Correct: C'est un grand problème. (masculine, so no -e on grand)
Always learn a new noun with its article — le problème, la fleur — never as a bare word. When you're unsure during practice, verify immediately rather than guessing: a wrong gender guess cascades into every adjective in the sentence. The French Gender Checker returns the correct article, plural, and suffix rule for any noun in a single lookup, and French Noun Gender Rules: 15 Suffixes That Tell You Le or La Every Time covers the patterns worth memorising.
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Mistake 4: Translating Directly From English
English and French sentence patterns differ in ways that produce grammatically wrong French even when every individual word is correct. Three patterns cause the most damage:
- Avoir vs être expressions. English uses "to be" for age and physical states; French uses avoir.
Wrong: Je suis 25 ans. Je suis faim.
Correct: J'ai 25 ans. J'ai faim. - Missing reflexive pronouns. Many verbs that aren't reflexive in English are reflexive in French.
Wrong: Je souviens de mon enfance.
Correct: Je me souviens de mon enfance. - Adverb placement. Common adverbs like toujours, souvent, and déjà go after the conjugated verb, not before it as in English.
Wrong: Je toujours mange à midi.
Correct: Je mange toujours à midi.
The fix is not memorising rules in isolation — it's reading a lot of authentic French and noticing when a structure feels unfamiliar, then checking why.
Mistake 5: Choosing the Wrong Past Tense
The passé composé and imparfait are not interchangeable. The passé composé narrates completed events: Il a téléphoné hier. The imparfait describes past states, habits, and ongoing background conditions: Il téléphonait chaque soir. Mixing them without reason is one of the clearest signals to an examiner that a writer is at A2 rather than B1.
The test: ask whether the past action is a completed event (specific, bounded in time) or a state/habit (ongoing, no clear endpoint). Completed event → passé composé. State or habit → imparfait. See Passé Composé vs Imparfait: How to Choose Every Time for the full breakdown, and use the French Verb Conjugator to check irregular past participles — that's where most errors originate.
Quick Self-Audit Checklist
After your next writing practice session, read your response once for each row below — not all five at once, which catches almost nothing:
| Pass | Look for |
|---|---|
| 1 | Every a — should it be à? |
| 2 | Every accent — present and on the right letter? |
| 3 | Every noun — do the article and adjectives agree with its real gender? |
| 4 | Any sentence that feels like a direct English translation? |
| 5 | Every past-tense verb — completed event or ongoing state? |
Frequently Asked Questions
Which of these five mistakes matters most for exam scoring?
Noun gender and the passé composé/imparfait choice tend to cost the most marks, because both cascade — a wrong gender affects every adjective in the sentence, and a wrong tense choice signals the wrong proficiency level to the examiner.
Is it normal to still make these mistakes at B2 or C1 level?
Yes, especially under time pressure. The goal isn't to eliminate them entirely but to catch them during self-review, which is exactly what the audit checklist above is for.
Should I fix all five at once in my next practice session?
No — identifying your single most frequent mistake and focusing on it for a week is more effective than trying to watch for all five simultaneously. Most learners have one or two categories that account for the majority of their errors.
Identifying your personal pattern is more effective than trying to improve everything at once. After your next writing practice session, run the self-audit above and note which category appears most often — then focus your study there first before moving to the next.
