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French verb conjugations

Most French verbs follow one of three patterns, by how the infinitive ends: -er (parler), -ir (finir) and -re (vendre). Drop the ending and add the new one. The everyday past, the passé composé, isn't a new set of endings: it's avoir or être plus the past participle (j'ai parlé, je suis allé). That's why être and avoir are the two verbs to learn first.

How French verbs work

French verbs come in three groups: -er (parler, to speak), -ir (finir, to finish) and -re (vendre, to sell). The -er group is by far the biggest, and nearly all of it is regular. Chop off the ending and add these.

The endings for regular verbs, by group
Tense-er (parler)-ir (finir)-re (vendre)
presentparle, parles, parlefinis, finis, finitvends, vends, vend
imparfaitparlais, parlais, parlaitfinissais, finissais, finissaitvendais, vendais, vendait
futurparlerai, parleras, parlerafinirai, finiras, finiravendrai, vendras, vendra
conditionnelparlerais, parlerais, parleraitfinirais, finirais, finiraitvendrais, vendrais, vendrait
subjonctifparle, parles, parlefinisse, finisses, finissevende, vendes, vende
past participleparléfinivendu
present participleparlantfinissantvendant

A lot of those endings sound the same. Parle, parles and parlent are all said parl. French spelling keeps differences your ear can't hear, so reading helps a lot here.

The passé composé: avoir or être

The past you'll use most is two words: avoir or être in the present, then the past participle. Most verbs take avoir: j'ai mangé (I ate), elle a fini (she finished). About a dozen verbs of moving and changing state take être: je suis allé (I went), elle est née (she was born). With être, the participle agrees with the subject, so a woman writes je suis allée.

Which tense to use

Questions

What are the most important French verbs to learn first?

Être (to be) and avoir (to have), because the passé composé is built on them. Then aller, faire, pouvoir, vouloir and dire, which are irregular and everywhere.

How do I know if a verb takes avoir or être in the passé composé?

Almost all take avoir. The ones that take être are a short list of verbs of coming, going and changing state (aller, venir, arriver, partir, naître, mourir and a few more), plus every reflexive verb: je me suis levé.

Do I need to learn the passé simple?

Only to read it. It's the past tense of books, and it's almost never spoken. Recognise il fut (he was) and il eut (he had) and you'll get through most novels.

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