B2 Verb Moods 11 min read Moyen

Occasions Manquées: Comment utiliser 'Could have' (Possibilité non réalisée)

Maîtriser could have te permet de t'exprimer clairement sur les choix passés et le potentiel unrealized potential.

Grammar Rule in 30 Seconds

Use 'could have' to talk about things that were possible in the past but didn't actually happen.

  • Use 'could have' + Past Participle for missed opportunities. Example: 'I could have won.'
  • Use 'couldn't have' for things that were impossible. Example: 'I couldn't have known.'
  • Never use 'could of'—it is always 'could have' or the contraction 'could've'.
Subject + ☁️ could + ⏳ have + ✅ Verb (V3)

Overview

Vous est-il déjà arrivé de faire défiler vos vieilles photos Instagram et de vous dire : « Wow, je n'aurais vraiment pas dû porter ce pantalon fluo » ? Eh bien, aujourd'hui, nous n'allons pas parler de ce que vous *auriez dû* faire. Nous allons parler du « Multivers » de votre vie.
Nous allons parler de could have. Ce point de grammaire est votre outil pour parler de choses qui étaient possibles dans le passé, mais qui ne se sont tout simplement pas produites. Peut-être aviez-vous la chance d'aller à un concert, mais vous avez décidé de rester à la maison pour regarder Netflix.
Peut-être avez-vous failli rater votre vol parce que vous étiez occupé à regarder des mèmes, mais vous l'avez rattrapé à la dernière seconde. C'est la grammaire du « Et si ? ».
C'est ce petit fantôme d'un choix que vous n'avez pas fait.
Dans le monde de l'anglais, nous appelons cela une « possibilité non réalisée ». Ça a l'air chic, mais ça signifie simplement une porte qui était ouverte, mais que vous n'avez pas franchie. C'est parfait pour raconter des histoires, expliquer pourquoi vous avez manqué une réunion Zoom, ou même exprimer son soulagement qu'une mauvaise chose ne se soit pas produite.
Imaginez que vous ayez failli faire tomber votre téléphone dans les toilettes. Vous diriez : « Ouf ! Ça could have été un désastre !
» (Et un désastre très coûteux en plus). Nous l'utilisons pour parler de notre potentiel passé, de nos occasions manquées, et parfois juste pour rêver d'une vie où nous aurions réellement terminé cette séance de sport de 5 heures du matin que nous avions prévue.

How This Grammar Works

Considérez could have comme une machine à remonter le temps qui ne vous montre que les chemins que vous n'avez pas empruntés. En anglais, nous utilisons des « verbes modaux » comme could pour exprimer l'humeur ou la possibilité. Lorsque nous ajoutons have et un past participle (le participe passé, la troisième forme d'un verbe, comme done, seen ou eaten), nous projetons cette possibilité dans le passé.
Vous ne parlez pas de ce que vous *pouvez* faire maintenant. Vous revenez sur un moment précis où un résultat différent était envisageable. C'est comme dans un jeu vidéo où vous avez trois options de dialogue.
Vous avez choisi l'option A, mais vous réalisez plus tard que l'option B could have vous aurait rapporté plus d'or. Il est important de se rappeler que could have implique toujours que la chose ne s'est PAS produite. Si je dis : « J' could have acheté des Bitcoins en 2011 », vous savez automatiquement que je ne suis pas actuellement un milliardaire vivant sur une île privée.
Je suis probablement juste ici, en train d'écrire ce guide pour vous.
De plus, nous contractons souvent could have en could've. Cela se prononce comme « could-uv ». C'est ainsi que les locuteurs natifs parlent 99 % du temps.
Si vous dites le « could have » complet à chaque fois, vous risquez de ressembler à un robot essayant de se faire passer pour un humain. Et honnêtement, nous avons tous vu assez de films de science-fiction pour savoir comment cela se termine. Privilégiez la contraction dans les conversations décontractées !

Formation Pattern

1
Pour construire cette machine à « Et si ? », vous n'avez besoin que de trois ingrédients. C'est plus facile que de suivre une recette de pain au levain, promis.
2
Commencez par votre Sujet (I, you, he, she, it, we, they).
3
Ajoutez la phrase magique : could have (ou la contraction could've).
4
Terminez par le Past Participle de votre verbe principal.
5
Structure : [Sujet] + [could have] + [past participle]
6
Positif : « Tu could've gagné le match ! » (Mais tu n'as pas gagné).
7
Négatif : « Je couldn't have su. » (C'était impossible pour moi de savoir).
8
Question : « Could tu m' have aidé ? » (Étais-tu capable d'aider, même si tu ne l'as pas fait ?)
9
Conseil de pro : Le mot have ne change jamais en has, même pour he, she ou it. On dit « She could have gone », et non « She could has gone ». Le verbe modal could verrouille tout. Il est comme un garde du corps pour le verbe have.

When To Use It

Il y a trois moments principaux où vous voudrez sortir ce point de grammaire de votre poche :
  • Regrets ou occasions manquées : Utilisez ceci lorsque vous vous sentez un peu triste ou pensif par rapport au passé. « J' could have étudié plus dur pour cet examen. » (Au lieu de cela, j'ai passé six heures à regarder des TikToks de chats faisant du parkour).
  • Soulagement (possibilités négatives) : Utilisez ceci quand quelque chose de grave a failli arriver, mais que vous avez eu de la chance. « Tu could have tomber ! » (Heureusement que non, car la nourriture à l'hôpital est terrible).
  • Suppositions sur le passé : Quand vous n'êtes pas sûr de ce qui s'est passé, mais que vous envisagez des possibilités. « Où est Sarah ? Elle could have raté son bus. »
C'est aussi idéal pour être poli. Si quelqu'un a du mal avec une boîte lourde, vous pourriez dire : « J' could have t'aider avec ça ! » Cela montre que vous étiez disposé, même si le moment est passé. Mais ne le dites pas après qu'il l'ait déjà montée sur cinq étages, c'est juste agaçant.

Common Mistakes

  • Le piège du « Could Of » : C'est l'erreur n°1, même pour les locuteurs natifs ! Parce que could've sonne comme « could of », les gens l'écrivent souvent ainsi. N'écrivez jamais « could of ». C'est grammaticalement illégal. Quelque part, un professeur de grammaire perd ses ailes chaque fois que vous tapez cela.
  • Utilisation de la mauvaise forme verbale : Utilisez toujours le past participle. Ne dites pas « I could have go » ou « I could have went ». C'est « I could have gone ». Pensez-y comme à la règle de la « troisième forme ».
  • Oublier le 'Have' : Certains apprenants disent « I could gone ». On dirait que vous parlez une langue secrète venue du futur. Vous avez besoin de ce have pour lier la possibilité au passé.
  • L'utiliser pour des choses qui se sont réellement produites : Si vous *êtes* allé au magasin, ne dites pas « J' could have été au magasin ». Utilisez-le uniquement pour les scénarios du « Et si ? ».

Contrast With Similar Patterns

  • Could have vs Should have : C'est la distinction majeure. Could have signifie que c'était *possible*. Should have signifie que c'était une *bonne idée* ou un *devoir*.
  • Could have : « J' could have mangé tout le gâteau. » (J'en avais la capacité, mais je ne l'ai pas fait).
  • Should have : « J' should have mangé tout le gâteau. » (C'était un super gâteau, et je regrette de ne pas l'avoir mangé).
  • Could have vs Can : Can est pour le présent. Could have est pour le passé.
  • « Je can nager » (J'ai la compétence maintenant).
  • « J' could have traversé ce lac à la nage » (J'en avais la possibilité à l'époque, mais j'ai choisi de prendre le bateau).
  • Could have vs Must have : Must have s'utilise quand on est sûr à presque 100 % que quelque chose est arrivé.
  • « Elle must have oublié » (Je suis sûr qu'elle a oublié).
  • « Elle could have oublié » (Peut-être qu'elle a oublié, ou peut-être que son téléphone n'avait plus de batterie).

Quick FAQ

Q : Could have est-il identique à might have ?

R: Presque, oui ! Les deux expriment des possibilités passées. Could have implique généralement que vous aviez la capacité ou l'occasion, tandis que might have est plus une question de hasard.

Q : Puis-je utiliser could have pour le futur ?

R: Non. Pour les possibilités futures, utilisez simplement could. « Je could y aller demain. » Could have est strictement réservé au regard sur le passé.

Q : Pourquoi les gens disent-ils coulda ?

R: C'est juste de l'argot très décontracté. C'est ce qu'on dit quand on parle très vite à ses amis. « J' coulda été une star ! » Ne l'utilisez pas lors d'un entretien d'embauche sur Zoom, par contre.

Q : Est-il correct d'utiliser couldn't have pour des choses impossibles ?

R: Oui ! « Il couldn't have volé les biscuits ; il était avec moi tout le temps ! » C'est parfait pour défendre vos amis (ou votre chat).

Forming the Past Modal

Subject Modal Auxiliary Past Participle (V3)
I / You / He / She
could
have
done
It / We / They
could
have
seen
I / You / He / She
couldn't
have
known
It / We / They
couldn't
have
been

Contractions

Full Form Contraction Pronunciation Hint
could have
could've
sounds like 'could-uv'
could not have
couldn't have
sounds like 'couldnt-uv'
could not
couldn't
standard past negative

Meanings

Expresses that something was possible in the past, or that someone had the ability to do something, but they did not do it.

1

Unrealized Opportunity

A choice was available but not taken.

“We could have taken the train, but we drove instead.”

“She could have been a doctor if she hadn't quit school.”

2

Past Speculation

Guessing about what was possible in a past situation.

“He could have gotten lost in the city.”

“The keys could have fallen out of your pocket.”

3

Past Impossibility (Negative)

Expressing that something was not possible, even if we tried.

“I couldn't have finished it without your help.”

“He couldn't have been at the party; he was with me.”

Reference Table

Reference table for Occasions Manquées: Comment utiliser 'Could have' (Possibilité non réalisée)
Utilisation Signification Exemple
Possibilité non réalisée
Quelque chose était possible mais ne s'est pas produit.
`I could have gone.`
Regret/Critique
Exprime le chagrin ou le blâme pour une action/inaction passée.
`You could have helped.`
Capacité passée (non utilisée)
Tu avais la capacité, mais tu ne l'as pas utilisée.
`She could have played guitar.`
Troisième Conditionnel
Résultat hypothétique passé basé sur un événement passé différent.
`If I had known, I could have come.`
Forme Négative
Quelque chose était impossible dans le passé.
`I couldn't have known.`

Spectre de formalité

Formel
The company could have implemented a more robust strategy.

The company could have implemented a more robust strategy. (Work performance)

Neutre
We could have done a better job on the project.

We could have done a better job on the project. (Work performance)

Informel
We could've done way better.

We could've done way better. (Work performance)

Argot
Man, we coulda crushed that.

Man, we coulda crushed that. (Work performance)

Could Have : Possibilités passées non réalisées

Could Have

Formation

  • Sujet + could + have + V3 She could have called.
  • Négatif : couldn't have + V3 He couldn't have known.

Usages Clés

  • Opportunité Manquée I could have gone.
  • Regret/Critique You could have warned me.
  • Capacité Non Utilisée She could have learned.

Erreurs Courantes

  • could of ❌ instead of could have
  • V1 ou V2 ❌ instead of V3 (Past Participle)

Relation avec les Conditionnels

  • Troisième Conditionnel If I had known, I could have helped.

Comparaison : Could Have vs. Should Have vs. Would Have

Could Have
Possibilité/Capacité Passée I could have bought it (had the chance, didn't).
Potentiel Non Réalisé She could have been a doctor.
Should Have
Obligation/Bonne Idée Passée I should have studied (it was my duty/a good idea).
Regret/Critique You should have told me.
Would Have
Résultat Hypothétique Passé (3ème Conditionnel) If I had known, I would have come.
Volonté Passée (non satisfaite) I would have helped, but I couldn't.

Quand utiliser 'Could Have' ?

1

Parles-tu du passé ?

YES
Passe à l'étape suivante.
NO
Cette règle n'est pas pour toi. Considère 'could' (possibilité présente/future).
2

Quelque chose était-il possible (tu avais la capacité ou l'opportunité) mais cela *ne s'est pas* produit ?

YES
Utilise `could have + Participe Passé (V3)`.
NO
Passe à l'étape suivante.
3

Exprimes-tu un regret ou une légère critique à propos d'une action passée qui *ne s'est pas* produite mais *aurait pu* ?

YES
Utilise `could have + Participe Passé (V3)`.
NO
Considère 'might have' (possibilité plus faible) ou 'should have' (obligation/bonne idée).

Scénarios courants pour 'Could Have'

😔

Regrets Quotidiens

  • I could have saved more money.
  • You could have called me back.
🚪

Opportunités Manquées

  • We could have taken that trip.
  • She could have gotten the job.
💬

Contextes du Troisième Conditionnel

  • If I had studied, I could have passed.
  • If she had left, he could have been angry.
💪

Capacités Non Utilisées

  • He could have been a great musician.
  • I could have learned to code.

Exemples par niveau

1

I could run fast when I was young.

I was able to run fast.

2

She could not come to the party.

She was not able to come.

3

Could you see the moon?

Were you able to see it?

4

They could speak English.

They had the skill.

1

I could have bought that shirt.

I had the money, but I didn't buy it.

2

We could have won the game.

We were close, but we lost.

3

You could have told me!

Why didn't you tell me?

4

He could have been late.

Maybe he was late.

1

I could have gone to university, but I started working.

I had the opportunity but chose work.

2

It could have been a mistake.

Perhaps it was a mistake.

3

She couldn't have known about the party.

It was impossible for her to know.

4

They could have finished earlier if they tried.

They had the capacity to finish fast.

1

If I'd had more time, I could have done a better job.

With more time, better quality was possible.

2

You could have at least offered to help!

I am annoyed you didn't offer.

3

The accident could have been much worse.

It was possible for more damage to occur.

4

He couldn't have stolen the money; he was in jail.

It is logically impossible.

1

The project could have been salvaged had the management intervened.

Intervention would have made success possible.

2

I could have sworn I left my keys on the table.

I was very sure, but I might be wrong.

3

Such a discovery could not have been made without modern technology.

Modern tech was a necessary condition.

4

We could have been looking at a total economic collapse.

That was a realistic, though avoided, possibility.

1

One could have argued that the treaty was doomed from the outset.

A valid argument existed for its failure.

2

The sheer audacity of the plan could have only been matched by its failure.

Only failure was as great as the audacity.

3

He couldn't have been more helpful if he'd tried.

He was extremely helpful.

4

The implications could have reverberated for decades.

Long-term effects were possible.

Facile à confondre

Missed Chances: How to use 'Could have' (Unrealized Possibility) vs Could have vs. Should have

Learners use 'could' when they mean 'it was a good idea' (should).

Missed Chances: How to use 'Could have' (Unrealized Possibility) vs Could have vs. Must have

Using 'could' for a logical certainty.

Erreurs courantes

I could to go.

I could go.

Modal verbs never take 'to'.

I can go yesterday.

I could go yesterday.

Use 'could' for past ability.

I could have go.

I could have gone.

You must use the past participle (V3).

She could has won.

She could have won.

Modal auxiliaries always use 'have', never 'has'.

I could of seen it.

I could have seen it.

Phonetic error: 'of' is never used here.

I could have win.

I could have won.

Forgetting the irregular past participle.

He couldn't have been there, could he?

He couldn't have been there, could he?

Actually correct, but learners often use 'mustn't have' which is rare/incorrect for deduction.

Structures de phrases

I could have ___, but I ___.

You could have at least ___!

If I had known, I could have ___.

Real World Usage

Job Interview common

I could have stayed at my last job, but I wanted a new challenge.

Texting Friends very common

U could've told me u were leaving!!

Police Report occasional

The suspect could have entered through the back window.

Sports Commentary constant

He could've scored if he'd passed the ball!

Doctor's Office common

This condition could have been prevented with early screening.

Travel/Airlines common

We could have missed our connection due to the delay.

💡

Écoute bien le son !

Dans le discours rapide, could have sonne souvent comme "could've
, ce qui peut être facilement confondu avec
could of". Entraîne ton oreille à reconnaître le son 'v', même subtil, pour le différencier de la préposition 'of'. "Train your ear to recognize the 'v' sound, even if subtle, to differentiate it from the preposition 'of'."
⚠️

Ne confonds pas avec "should have"

Could have implique une possibilité sans action. Should have implique une obligation morale ou un meilleur choix qui n'a pas été fait, souvent avec un regret plus fort. Choisis-le soigneusement pour transmettre la bonne nuance ! "Could have implies possibility without action. Should have implies a moral obligation or better choice that wasn't made, often with stronger regret."
🎯

Pratique le troisième conditionnel

Could have brille dans les phrases au troisième conditionnel (If + Past Perfect, would/could/might + have + V3). Maîtriser ces structures boostera considérablement ta fluidité pour parler des passés hypothétiques.
Mastering these structures will significantly boost your fluency in discussing hypothetical pasts.
🌍

Fais attention à ton ton en ligne

Même si could have est généralement neutre, l'utiliser pour critiquer les actions passées de quelqu'un en ligne ou par SMS peut parfois sembler dur. Pense à l'adoucir avec des expressions comme 'maybe' ou 'it seems' si tu ne vises pas une critique directe. "Consider softening it with phrases like 'maybe' or 'it seems' if you're not aiming for direct criticism."
💡

Imagine le 'carrefour des chemins'

Quand tu utilises could have, imagine un moment dans le passé où toi ou quelqu'un d'autre a fait face à un choix. Un chemin a été pris, et could have décrit l'autre chemin, celui qui n'a pas été choisi.
When you use could have, imagine a moment in the past where you or someone else faced a choice. One path was taken, and could have describes the other, untaken path.

Smart Tips

Use 'You could have...' followed by a small action. It sounds less aggressive than a direct 'You didn't...'

You didn't call me. You could have called me.

Mentally correct it to 'could have'. This will help you avoid picking up bad habits from native speakers.

I could of gone. I could have gone.

Use 'could have' for multiple possibilities. If you only have one theory, use 'must have'.

He must have gone to the store (but maybe the gym). He could have gone to the store, or he could have gone to the gym.

Always double-check the V3 form. 'Could have saw' is a common error; it must be 'could have seen'.

I could have saw it. I could have seen it.

Prononciation

/kʊdəv/

The Schwa Reduction

In 'could have', the 'have' is almost never stressed. It reduces to a schwa sound /əv/.

/kʊd/

The 'L' is Silent

The 'l' in 'could' is never pronounced.

Criticism Intonation

You could have TOLD me! (Stress on 'told')

Expresses annoyance.

Mémorise-le

Moyen mnémotechnique

COULD HAVE: C-hance O-mitted U-nder L-ikely D-esires. (A chance you didn't take).

Association visuelle

Imagine a 'Sliding Doors' scenario where you see two versions of yourself: one who did the action and one who didn't. 'Could have' is the ghost version of you.

Rhyme

If it could have been but was not so, use 'could have' to let us know!

Story

John was late for his flight. He could have taken a taxi, but he took the bus. He could have arrived on time, but the bus broke down. Now he's at the airport, thinking about what could have been.

Word Web

could'veunrealizedpossibilityV3regretspeculationcounterfactual

Défi

Write down three things you 'could have' done this morning but chose not to (e.g., I could have eaten a donut).

Notes culturelles

Often used for 'polite reproach' to avoid direct confrontation. Saying 'You could have mentioned it' is a very British way of saying 'I am angry you didn't tell me.'

The phrase 'Coulda, woulda, shoulda' is a common idiom used to tell someone to stop complaining about the past because it can't be changed.

In sports commentary, 'could have' is used constantly to analyze 'what if' moments in a game.

From Old English 'cuðe' (past of 'cunnan' - to know/be able).

Amorces de conversation

What is something you could have done differently in your last job?

If you had been born in a different country, how could your life have been different?

Think of a famous movie. How could the ending have been better?

What's a skill you could have learned as a child but didn't?

Sujets d'écriture

Write about a 'near miss' you experienced. What could have happened?
Reflect on a major life decision. What other paths could you have taken?
Critique a historical event. How could the leaders have acted differently?

Erreurs courantes

Incorrect

Correct


Incorrect

Correct


Incorrect

Correct


Incorrect

Correct

Test Yourself

Choisis la forme correcte pour compléter la phrase.

If I had known about the sale, I ___ that new laptop.

✓ Correct! ✗ Not quite. Correct answer: could have bought
Dans les phrases au troisième conditionnel, nous utilisons
could have + participe passé
pour exprimer un résultat passé hypothétique. Could of est une erreur courante.
Trouve et corrige l'erreur dans la phrase. Error Correction

Find and fix the mistake:

She could have went to the gym, but she chose to relax.

✓ Correct! ✗ Not quite. Correct answer: She could have gone to the gym, but she chose to relax.
Après could have, le verbe principal doit être au participe passé (V3). Le participe passé de 'go' est 'gone', pas 'went'.
Quelle phrase utilise correctement 'could have' pour exprimer une possibilité passée non réalisée ? Choix multiple

Choose the correct sentence:

✓ Correct! ✗ Not quite. Correct answer: He could have won the race, but he tripped near the finish line.
La construction correcte est could have suivi du participe passé (V3) du verbe. 'Won' est le V3 de 'win'.
Remets les mots dans l'ordre pour former une phrase grammaticalement correcte. Sentence Reorder

Arrange the words in the correct order:

All words placed

Click words above to build the sentence

✓ Correct! ✗ Not quite. Correct answer: You could have warned me
La structure pour could have est
Subject + could + have + Past Participle (V3) + objet
.

Score: /4

Exercices pratiques

8 exercises
Complete the sentence with 'could have' and the correct form of the verb in brackets.

I ___ (buy) that house, but it was too expensive.

✓ Correct! ✗ Not quite. Correct answer: could have bought
We use 'could have' + the past participle 'bought'.
Find the mistake in the sentence. Error Correction

Find and fix the mistake:

She could of been a famous singer.

✓ Correct! ✗ Not quite. Correct answer: could of
It should be 'could have' or 'could've'.
Which sentence expresses that something was impossible? Choix multiple

Select the correct option.

✓ Correct! ✗ Not quite. Correct answer: I couldn't have gone.
'Couldn't have' expresses past impossibility.
Rewrite the sentence using 'could have'. Sentence Transformation

It was possible for him to win, but he didn't.

✓ Correct! ✗ Not quite. Correct answer: He could have won.
'Could have won' replaces 'It was possible for him to win'.
Fill in the missing part of the dialogue. Dialogue Completion

A: Why didn't you call me? B: I'm sorry, I ___ (lose) my phone.

✓ Correct! ✗ Not quite. Correct answer: could have lost
B is speculating about a past possibility.
Which of these is a 'missed opportunity'? Grammar Sorting

Pick the correct sentence.

✓ Correct! ✗ Not quite. Correct answer: I could have studied more for the test.
This shows an action that was possible but not done.
Is this rule true or false? True False Rule

You can use 'could has' if the subject is 'he' or 'she'.

✓ Correct! ✗ Not quite. Correct answer: False
It is always 'could have', regardless of the subject.
Put the words in the correct order. Sentence Building

have / they / told / could / us

✓ Correct! ✗ Not quite. Correct answer: They could have told us.
The order is Subject + could + have + V3.

Score: /8

Practice Bank

10 exercises
Complète la phrase avec la forme correcte de 'could have'. Texte trous

The concert tickets were expensive, but I ___ them if I had saved more.

✓ Correct! ✗ Not quite. Correct answer: could have afforded
Identifie et corrige l'erreur grammaticale. Error Correction

If she had taken the earlier flight, she could of arrived on time.

✓ Correct! ✗ Not quite. Correct answer: If she had taken the earlier flight, she could have arrived on time.
Sélectionne la phrase qui exprime correctement une capacité passée non réalisée. Choix multiple

Which sentence is correct?

✓ Correct! ✗ Not quite. Correct answer: He could have spoken French fluently if he hadn't stopped practicing.
Traduis la phrase suivante en anglais : Traduction

Translate into English: 'Podríamos haber evitado el problema si hubiéramos sido más cuidadosos.'

✓ Correct! ✗ Not quite. Correct answer: ["We could have avoided the problem if we had been more careful.","We could've avoided the problem if we'd been more careful."]
Réarrange les mots pour former une phrase cohérente. Sentence Reorder

Arrange these words into a sentence:

✓ Correct! ✗ Not quite. Correct answer: I couldn't have known about the change
Associe le début de la phrase à sa fin correcte. Match Pairs

Match the clauses to complete the sentences correctly:

✓ Correct! ✗ Not quite. Correct answer: matched
Choisis la meilleure option pour compléter la conversation. Texte trous

A: Why didn't you join us last night? B: I ___ to the party, but I was exhausted.

✓ Correct! ✗ Not quite. Correct answer: could have come
Corrige l'erreur liée à 'could have'. Error Correction

If you had warned him, he could have avoid the accident.

✓ Correct! ✗ Not quite. Correct answer: If you had warned him, he could have avoided the accident.
Donne la traduction anglaise de la phrase. Traduction

Translate into English: 'Ella podría haber aceptado la oferta de trabajo.'

✓ Correct! ✗ Not quite. Correct answer: ["She could have accepted the job offer.","She could've accepted the job offer."]
Remets les mots dans l'ordre pour former une phrase correcte. Sentence Reorder

Arrange these words:

✓ Correct! ✗ Not quite. Correct answer: We could have gone earlier if we had

Score: /10

FAQ (8)

They are often interchangeable for speculation. However, `could have` suggests a stronger ability or possibility, while `might have` suggests a weaker chance.

Generally, no. In formal essays or business reports, use the full `could have`.

Because the contraction `could've` sounds exactly like 'could of'. It's a common spelling mistake based on sound.

No, `could have` is strictly for the past. For the future, use `could` or `might`.

It's an idiom meaning 'I was as happy as possible.' It uses the negative to show that more happiness was impossible.

Not always. It can also mean relief (`We could have died!`) or simple speculation (`He could have forgotten`).

Put 'could' before the subject: `Could he have known?`

Yes! It's often the result clause: `If I had seen him, I could have spoken to him.`

Scaffolded Practice

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Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

Spanish high

Podría haber + participio

Spanish speakers sometimes use the imperfect 'podía' where English requires 'could have'.

French high

Aurait pu + infinitif

French uses the infinitive after 'pu', while English uses the past participle.

German moderate

Hätte ... können

The word order is very different, with verbs often moving to the end.

Japanese low

...できたかもしれない

Japanese doesn't have a single 'modal perfect' structure like English.

Arabic moderate

كان بإمكانه أن...

Arabic uses a noun-based structure for ability.

Chinese low

本来可以...

Chinese relies on adverbs rather than verb conjugation to show the past.

Learning Path

Prerequisites

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