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Advanced English Grammar Masterclass (C1-C2)

English Grammar

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Inversion and conditionals

🔄 INVERSION IN CONDITIONAL SENTENCES

Master formal conditional structures without “if” by inverting subject-verb order.

Maîtrisez les structures conditionnelles formelles sans “if” en inversant l’ordre sujet-verbe.

1 What is Inversion?

📌 Inversion means reversing the normal subject–verb order in conditional sentences, making them more formal.

L’inversion signifie inverser l’ordre normal sujet-verbe dans les phrases conditionnelles, les rendant plus formelles.

Should you have any questions, I will be happy to help.

→ Si vous aviez des questions, je serais ravi de vous aider.

Were they to sell their house today, they would make a huge profit.

→ S’ils vendaient leur maison aujourd’hui, ils feraient un énorme profit.

2 First Conditional Inversion

🔄 Replace “if” with should + infinitive verb

Remplacez “if” par should + verbe à l’infinitif

Standard Form Inverted Form

If a customer wishes to cancel…

Si un client souhaite annuler…

Should a customer wish to cancel…

Si un client devait souhaiter annuler…

If you need a marker pen…

Si vous avez besoin d’un feutre…

Should you need a marker pen…

Si vous deviez avoir besoin d’un feutre…

3 Second Conditional Inversion

🔄 Replace “if” with were + “to” + infinitive

Remplacez “if” par were + “to” + infinitif

✓ If everyone reduced meat consumption → Were everyone to reduce meat consumption

→ Si tout le monde réduisait sa consommation de viande…

✓ If California were a country → Were California a country

→ Si la Californie était un pays…

4 Third Conditional Inversion

🔄 Remove “if” and invert subject with had

Supprimez “if” et inversez le sujet avec had

✓ If we had lost that match → Had we lost that match

→ Si nous avions perdu ce match…

✓ If I had known you were in town → Had I known you were in town

→ Si j’avais su que tu étais en ville…

5 Negative Inverted Conditionals

⚠️ Place “not” after the subject in inverted forms

Placez “not” après le sujet dans les formes inversées

Type Negative Inverted Form
First Conditional

Should you not consent

Si vous ne consentez pas…

Second Conditional

Were I not good at maths…

Si je n’étais pas bon en maths…

Third Conditional

Had I not been busy…

Si je n’avais pas été occupé…