Compound Modal Verbs

Verbes modaux compos茅s

Compound modal verbs in French
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Compound modal verbs express perfect (in the grammatical sense of "completed") actions. These English constructions consist of a modal verb + have + past participle. Since modal verbs don’t exist in French, compound modals obviously don’t either; they are usually equivalent to a French verb in a perfect tense or mood plus an infinitive.

1) Could have

Could have equals pouvoir in the conditional perfect.

He could have been right. Il aurait pu avoir raison.
I could have driven there. J’aurais pu y conduire.

2) May have
3) Might have

May have and might have = peut-锚tre with a past tense or il se peut + past subjunctive.

I may / might have left too early. Je suis parti trop t么t, peut-锚tre.
Il se peut que je sois parti trop t么t.
She may / might have been right. Elle avait peut-锚tre raison.
Il se peut qu’elle ait eu raison.

4) Must have

Must have is equivalent to devoir in the pass茅 compos茅.

He must have forgotten. Il a d没 oublier.
I must have tripped. J’ai d没 tr茅bucher.

5) Shall have
6) Will have

Shall have and will have plus a past participle are both equivalent to the French future perfect.

We shall have overcome! Nous aurons vaincu !
I’ll have left by 2pm. Je serai parti avant 14h.

7) Should have

Should have is equivalent to devoir in the conditional perfect.

You should have studied more. Tu aurais d没 茅tudier plus.
We should have tried again. Nous aurions d没 essayer encore une fois.

8) Would have

Would have equals the French conditional perfect.

I would have liked to see it. J’aurais aim茅 le voir.
You would have gotten sick. Tu serais tomb茅 malade.

Part 1: Simple modal verbs

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Modal verbs in French

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3 Responses

  1. Richie 4 January 2017 / 13:37

    I just completed reading the lesson on modal verbs, but i do not understand why the following sentence is correct.

    They should have left earlier – auraient d没 partir

    I say this because I thought passer used 锚tre as an auxiliary verb in the past tense.

    Ils seraient d没 partir

    Please advise

    • lkl 4 January 2017 / 14:07

      Bonjour Richie,

      Good question! You’re right that if the verb in the compound tense is partir, you need 锚tre as the auxiliary, as in Ils seraient partis plus t么t – They would have left earlier.

      However, in this example partir is in the infinitive, not a compound tense. The main verb in the compound tense is devoir, which requires avoir as the auxiliary.

      I hope this helps – bonne continuation !

      • Richie 5 January 2017 / 5:20

        OK that makes sense since it is devoir which is the compound verb. Thank you for your quick response