Connaître in the Passé composé Tense in French

Introduction

Connaître means “to know (a person)”, and this page covers exactly one thing: connaître in the passé composé. The passé composé is the tense French speakers reach for when they talk about completed actions in the past — what happened yesterday, last week, or a moment ago. On this page you will find the full passé composé table for connaître, how the tense is formed for this verb, the situations where it is used, how it differs from the imperfect, worked examples, the mistakes learners make most often, an eight-question quiz with explained answers, and answers to the questions students ask about connaître in the passé composé. For example: “J'ai connu Marie depuis longtemps cette semaine.” — “I have known Marie for a long time this week.” Everything on this page uses the forms of connaître exactly as they are conjugated in the passé composé, so you can trust every form you see here.

Connaître in the Passé composé Tense — full table

Person Form
je ai connu
tu as connu
il/elle a connu
nous avons connu
vous avez connu
ils/elles ont connu

Gerund: connaissant · Past participle: connu

The gerund is connaissant, which you use after en for an action happening at the same time as another action. The past participle is connu, which you use with avoir in the perfect tenses: the je form of the present perfect is ai connu, used for a completed action. Keep both forms in mind as you read the examples below, because the passé composé is only one part of how connaître is used.

How the passé composé of connaître is formed

The passé composé of connaître is formed with the auxiliary avoir in the present plus the past participle connu: the auxiliary forms are je ai, tu as, il/elle a, nous avons, vous avez, ils/elles ont. Put the two parts together and you get the table above — for example, the je form is ai connu and the ils form is ont connu. The participle connu never changes its spelling in this table: the verified dump gives the participle in the masculine singular form throughout, and agreement with the subject is a separate step that depends on the sentence.

Because connaître takes avoir as its auxiliary, the passé composé is built the same way as for most French verbs: avoir in the present, then connu. That is the first thing to check whenever you build a perfect tense with this verb: reach for avoir, and then add connu.

The same participle connu appears in the pluperfect, the future perfect and the conditional perfect — only the auxiliary changes tense. Learn the pair “avoir + connu” once and you have the key to all four perfect tenses of connaître.

When to use the passé composé of connaître

The passé composé is not a single-purpose tense. Below are the five situations where you will use connaître in the passé composé most often. Each one comes with a real example, so read the rule, then say the example out loud.

1. Knowing Marie for a long time — finished

When the action of knowing Marie for a long time is finished, the passé composé is the tense to use. It presents the action as complete, with a clear end. Example: “J'ai connu Marie depuis longtemps cette semaine.” — “I have known Marie for a long time this week.”

2. Knowing Paris very well — finished

The same rule applies to knowing Paris very well: once the action is done, the passé composé reports it as a completed fact. Example: “Tu as connu Paris très bien cette semaine.” — “You have known Paris very well this week.”

3. Knowing a good restaurant here — finished

A third everyday situation is knowing a good restaurant here, and again the passé composé is right when the action is finished. Example: “Il a connu un bon restaurant ici cette semaine.” — “He has known a good restaurant here this week.”

4. A sequence of completed actions

The passé composé is the tense of the story told step by step: first this happened, then that happened. When you tell someone what you did yesterday, you chain passé composé forms together, one per finished action. Example: “Nous avons connu Marie depuis longtemps cette semaine.” — “We have known Marie for a long time this week.”

5. Recent past and life experience

The passé composé also covers the recent past and things that have happened at some point in your life. With time words such as hier, la semaine dernière or ce matin, the passé composé is the natural choice. Example: “Vous avez connu Paris très bien cette semaine.” — “You have known Paris very well this week.”

Passé Composé vs Imperfect: how to choose

The closest tense to the passé composé is the imperfect, and learners mix them up constantly. The rule is simple: the imperfect describes an ongoing or habitual past action, while the passé composé describes one finished action. The three pairs below use the same verb, so the only thing that changes is the time frame — and with it, the tense. Notice how the passé composé sentences use words such as tous les jours or hier, while the imperfect sentences use autrefois or quand. Those time words are your best clue when you are choosing a tense.

  • Passé composé: “J'ai connu Marie depuis longtemps cette semaine.” — “I have known Marie for a long time this week.”

  • Imperfect: “Je connaissais Marie depuis longtemps autrefois.” — “I used to know Marie for a long time in the past.”

  • The passé composé sentence is about the present moment or one finished action; the imperfect sentence is about the past as it used to be. That difference — now or finished versus ongoing in the past — is the whole decision.

  • Passé composé: “Tu as connu Paris très bien cette semaine.” — “You have known Paris very well this week.”

  • Imperfect: “Tu connaissais Paris très bien autrefois.” — “You used to know Paris very well in the past.”

  • The passé composé sentence is about the present moment or one finished action; the imperfect sentence is about the past as it used to be. That difference — now or finished versus ongoing in the past — is the whole decision.

  • Passé composé: “Nous avons connu un bon restaurant ici cette semaine.” — “We have known a good restaurant here this week.”

  • Imperfect: “Nous connaissions un bon restaurant ici autrefois.” — “We used to know a good restaurant here in the past.”

  • The passé composé sentence is about the present moment or one finished action; the imperfect sentence is about the past as it used to be. That difference — now or finished versus ongoing in the past — is the whole decision.

Example sentences: connaître in the passé composé

Read these eight sentences out loud. They cover all six persons, so by the end you will have seen every form in the table used in a real sentence. Pay attention to the words around the verb — the time expressions, the objects, the other words — because those are what make each sentence sound natural.

  1. “J'ai connu Paris très bien cette semaine.” — “I have known Paris very well this week.”

  2. “Tu as connu un bon restaurant ici cette semaine.” — “You have known a good restaurant here this week.”

  3. “Il a connu Marie depuis longtemps cette semaine.” — “He has known Marie for a long time this week.”

  4. “Nous avons connu Paris très bien cette semaine.” — “We have known Paris very well this week.”

  5. “Vous avez connu un bon restaurant ici cette semaine.” — “You have known a good restaurant here this week.”

  6. “Ils ont connu Marie depuis longtemps cette semaine.” — “They have known Marie for a long time this week.”

  7. “J'ai connu Paris très bien cette semaine.” — “I have known Paris very well this week.”

  8. “Tu as connu un bon restaurant ici cette semaine.” — “You have known a good restaurant here this week.”

Common mistakes with connaître in the passé composé

These are the errors learners actually make with this verb in this tense. Each one shows the wrong version, the right version, and why the correction matters.

  • Wrong: “Je connais Marie depuis longtemps hier.” Right: “Je ai connu Marie depuis longtemps hier.” Why: For one finished action yesterday, use the passé composé ai connu, not the present connais. The time word hier points to the past.

  • Wrong: “Je ai connu Marie depuis longtemps tous les jours.” (said of a daily habit) Right: “Je connais Marie depuis longtemps tous les jours.” Why: The passé composé ai connu describes one finished action. For something you do every day, use the present connais.

  • Wrong: “Je avoir Marie depuis longtemps.” — leaving out the participle Right: “Je ai connu Marie depuis longtemps.” Why: The passé composé needs both parts: the auxiliary avoir and the participle connu. The auxiliary alone is not a complete passé composé.

  • Wrong: “Je connaissais Marie depuis longtemps hier.” (said of one finished action) Right: “Je ai connu Marie depuis longtemps hier.” Why: The imperfect connaissais describes an ongoing past situation. For one finished action yesterday, use the passé composé ai connu.

Quiz: connaître in the passé composé

Choose the correct answer for each question, then check the answer key. Every answer is explained, so a wrong answer still teaches you something.

1. Complete the sentence: “Je ______ Paris très bien.”

  • (A) as connu
  • (B) a connu
  • (C) avons connu
  • (D) ai connu

2. Complete the sentence: “Tu ______ un bon restaurant ici.”

  • (A) avons connu
  • (B) as connu
  • (C) ai connu
  • (D) a connu

3. Complete the sentence: “Il ______ Marie depuis longtemps.”

  • (A) a connu
  • (B) ai connu
  • (C) as connu
  • (D) avons connu

4. Complete the sentence: “Nous ______ Paris très bien.”

  • (A) as connu
  • (B) a connu
  • (C) avons connu
  • (D) ai connu

5. Complete the sentence: “Vous ______ un bon restaurant ici.”

  • (A) ai connu
  • (B) as connu
  • (C) a connu
  • (D) avez connu

6. Complete the sentence: “Ils ______ Marie depuis longtemps.”

  • (A) ont connu
  • (B) ai connu
  • (C) as connu
  • (D) a connu

7. What does connaître mean in English?

  • (A) to write
  • (B) to know (a person)
  • (C) to become
  • (D) to come back

8. What is the past participle of connaître?

  • (A) écrit
  • (B) connu
  • (C) devenu
  • (D) revenu

Answer key

  1. D) ai connu — The je form is ai connu.
  2. B) as connu — The tu form is as connu.
  3. A) a connu — The il/elle form is a connu.
  4. C) avons connu — The nous form is avons connu.
  5. D) avez connu — The vous form is avez connu.
  6. A) ont connu — The ils/elles form is ont connu.
  7. B) to know (a person) — connaître means “to know (a person)”. The other options are the meanings of different verbs.
  8. B) connu — The past participle of connaître is connu; the passé composé is formed with avoir + connu.

Frequently asked questions

How is the passé composé of connaître formed?

With the auxiliary avoir in the present plus the past participle connu: je ai connu, tu as connu, il a connu, nous avons connu, vous avez connu, ils ont connu.

When do I use the passé composé of connaître?

Use the passé composé for completed actions in the past, especially in spoken French — for example, “J'ai connu Marie depuis longtemps cette semaine.” — “I have known Marie for a long time this week.” For an ongoing or habitual past action, use the imperfect instead.

What is the difference between the passé composé and the imperfect of connaître?

The passé composé reports one finished action; the imperfect describes background, habit or an action in progress in the past. Compare “J'ai connu Marie depuis longtemps cette semaine.” with “Je connaissais Marie depuis longtemps autrefois.” — the first is finished, the second is ongoing in the past.

Pronunciation

Pronunciation is not listed on this page: the verified tables do not include IPA for connaître, so no pronunciation is given rather than an invented one.

Related pages