French Verb Conjugations
| Present | Imperfect | Future | Conditional | Subjunctive | Imperfect subj. | |||
| je | ralentis | ralentissais | ralentirai | ralentirais | ralentisse | ralentisse | ||
| tu | ralentis | ralentissais | ralentiras | ralentirais | ralentisses | ralentisses | ||
| il | ralentit | ralentissait | ralentira | ralentirait | ralentisse | ralentît | ||
| nous | ralentissons | ralentissions | ralentirons | ralentirions | ralentissions | ralentissions | ||
| vous | ralentissez | ralentissiez | ralentirez | ralentiriez | ralentissiez | ralentissiez | ||
| ils | ralentissent | ralentissaient | ralentiront | ralentiraient | ralentissent | ralentissent | ||
| Passé composé | Past perfect | Future perfect | Past conditional | Past subjunctive | Pluperfect subj. | |||
| j’ | ai ralenti | avais ralenti | aurai ralenti | aurais ralenti | aie ralenti | eusse ralenti | ||
| tu | as ralenti | avais ralenti | auras ralenti | aurais ralenti | aies ralenti | eusses ralenti | ||
| il | a ralenti | avait ralenti | aura ralenti | aurait ralenti | ait ralenti | eût ralenti | ||
| nous | avons ralenti | avions ralenti | aurons ralenti | aurions ralenti | ayons ralenti | eussions ralenti | ||
| vous | avez ralenti | aviez ralenti | aurez ralenti | auriez ralenti | ayez ralenti | eussiez ralenti | ||
| ils | ont ralenti | avaient ralenti | auront ralenti | auraient ralenti | aient ralenti | eussent ralenti | ||
| Passé simple | Past anterior | Imperative | Participles | |||||
| je / j’ | ralentis | eus ralenti | (tu) | ralentis | Present | ralentissant | ||
| tu | ralentis | eus ralenti | (nous) | ralentissons | Past | ralenti | ||
| il | ralentit | eut ralenti | (vous) | ralentissez | Perfect | ayant ralenti | ||
| nous | ralentîmes | eûmes ralenti | Past imperative | |||||
| vous | ralentîtes | eûtes ralenti | (tu) | aie ralenti | Past infinitive | |||
| ils | ralentirent | eurent ralenti | (nous) | ayons ralenti | avoir ralenti | |||
| (vous) | ayez ralenti | |||||||
Ralentir is a regular -ir verb.

The French lessons and comprehension exercises on this site are ranked according to the Common European Framework of Reference for Languages (CEFR), which describes six levels of language proficiency.
When a word ending in a normally silent consonant is followed by a vowel or h muet, that consonant might be transferred onto the next word. This is called a liaison and it’s one of the aspects of French pronunciation that can make it difficult to determine where one word ends and the next begins.
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