The confusion between “fais-moi” and “fait-moi” is among the most common mistakes in French conjugation. The verb “faire” changes form depending on the mood, tense, and person, which blurs the references in writing. Distinguishing these two spellings requires knowing how to identify the verbal mood in play even before placing fingers on the keyboard.
Imperative, indicative, past participle: table of forms of the verb faire
The majority of mistakes come from a mix-up between three distinct grammatical contexts. The table below isolates each case for immediate sorting.
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| Context | Correct form | Example | Why |
|---|---|---|---|
| Imperative, 2nd person singular | fais | Fais-moi plaisir. | The imperative of “faire” in the 2nd person is “fais” |
| Imperative, 2nd person plural | faites | Faites-moi signe. | Plural form of the imperative |
| Present indicative, 3rd person | fait | Il me fait rire. | Subject “il/elle/on”, present indicative |
| Present indicative, 1st or 2nd person | fais | Je te fais confiance. / Tu me fais peur. | Subject “je” or “tu”, present indicative |
| Past participle | fait (participle) | Il m’a fait attendre. | Past participle is invariable here (auxiliary “avoir”) |
The rule can be summarized as follows: “fait” without -s never appears in the imperative. If you are giving an order or making a request, the only possible spelling is “fais” (or “faites” in the plural). On the other hand, when a third-person subject precedes the verb, the ending is indeed “fait”.
To delve deeper into the question of fais moi or fait moi in French grammar, it often suffices to use this test: identify the subject. If there is none (direct order), it is the imperative, hence “fais”.
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Fais-moi savoir, faites-moi parvenir: the mistake in long constructions
The error slips more easily into elongated phrases than in a simple “fais-moi”. When the sentence stretches, the speaker loses sight of the verbal mood and hesitates.
Imperative constructions with complement
“Fais-moi savoir”, “fais-moi passer le dossier”, “fais-moi penser à rappeler”: in all these cases, the verb remains in the imperative. The complement that follows does not change the conjugation. Adding an infinitive after “fais-moi” does not modify the ending.
The same logic applies to the polite plural. “Faites-moi parvenir les documents” is correct. “Fait-moi parvenir” or “faite-moi parvenir” are two distinct but frequent mistakes in professional emails.
When “fait” is legitimate in a long construction
The sentence “ça me fait faire des erreurs” is correct. Here, “ça” is a third-person subject, and the verb is in the indicative. The double “fait faire” (indicative + infinitive) may sound odd, but the grammar is clear.
Another case: “ce film m’a fait pleurer”. The past participle “fait” followed by an infinitive remains invariable, regardless of the nature of the complement. This rule, confirmed by orthographic corrections, simplifies the agreement.
- Imperative: “Fais-moi savoir ton choix” (order, no expressed subject)
- Indicative 3rd person: “Ça me fait réfléchir” (subject “ça”, hence “fait”)
- Past participle + infinitive: “Elle m’a fait comprendre” (past participle “fait” invariable before an infinitive)
C’est moi qui fais or c’est moi qui fait: the trap of the relative pronoun
This variant of the mistake touches on another mechanism. In “c’est moi qui fais”, the relative pronoun “qui” refers back to “moi”, equivalent to the first person singular. The verb agrees with the pronoun that “qui” represents, not with “c’est”.
The temptation to write “c’est moi qui fait” comes from the proximity to the third person in “c’est lui qui fait”. There, “fait” is correct because “lui” corresponds to “il”.
| Pronoun referred to by “qui” | Person | Correct conjugation |
|---|---|---|
| moi | 1st singular | c’est moi qui fais |
| toi | 2nd singular | c’est toi qui fais |
| lui / elle | 3rd singular | c’est lui qui fait |
| nous | 1st plural | c’est nous qui faisons |
| vous | 2nd plural | c’est vous qui faites |
The verification reflex is simple: mentally replace “c’est moi qui” with “je”. “Je fais” stands out, so “c’est moi qui fais” as well. This substitution test works for all personal pronouns.
Quick verification method to avoid hesitation
Rather than memorizing lists of endings, a structural approach avoids the mistake in almost all cases.
- Identify the subject. No visible subject? It’s an imperative, so “fais” (2nd person) or “faites” (plural/politeness).
- Third-person subject (il, elle, on, ça, a noun)? Write “fait” in the present indicative.
- First or second person subject (je, tu)? Write “fais” in the present indicative.
- Past participle with an infinitive that follows (“elle m’a fait partir”)? The participle “fait” remains invariable.
The subject dictates the ending, not the complement. Whether the sentence contains “moi”, “le”, “en”, or an infinitive does not change the conjugation of the verb “faire” itself.
The persistence of this mistake in written exchanges is due to the fact that “fais” and “fait” are pronounced identically. The ear does not distinguish what spelling imposes to separate. Only grammatical analysis, even quick, can clarify. Identifying the mood (imperative or indicative) and the person of the subject is sufficient in almost all situations.