If I Do … and If I Did …
Real vs Unreal Conditionals — Complete Guide
If I Do … et If I Did …
Conditionnels Réels vs Imaginés — Guide Complet
Master the difference between if + present → will (real/possible situations) and if + past → would (unreal/hypothetical situations), and learn why the past tense here does not refer to the past
Maîtrisez la différence entre if + présent → will (situations réelles/possibles) et if + passé → would (situations imaginées/hypothétiques), et comprenez pourquoi le passé ici ne renvoie pas au passé
In English we have two main patterns for if-sentences about the present and future. We use if + present → will when something is possible or likely. We use if + past → would when something is imagined, hypothetical, or we don't expect it to happen. The past form does not mean past time — it signals that the situation is unreal or unlikely.
En anglais, il existe deux schémas principaux pour les phrases avec if au présent et dans le futur. On utilise if + présent → will quand quelque chose est possible ou probable. On utilise if + passé → would quand quelque chose est imaginé, hypothétique, ou qu'on ne s'y attend pas. La forme au passé ne renvoie pas au passé — elle indique que la situation est irréelle ou peu probable.
If I Do vs If I Did — The Key Contrast
If I Do vs If I Did — Le Contraste Clé
Use if + present simple → will when the situation is real or possible. Use if + past simple → would when the situation is unreal or hypothetical.
Utilisez if + présent simple → will quand la situation est réelle ou possible. Utilisez if + passé simple → would quand la situation est irréelle ou hypothétique.
If we take the bus, it will be cheaper. (it's possible we'll take the bus)
Unreal / Hypothetical: If + past simple … , … would + base verb
If we took the bus, it would be cheaper. (we're not going to take the bus)
If + present → will (real/possible)
If + présent → will (réel/possible)
If + past → would (unreal/hypothetical)
If + passé → would (irréel/hypothétique)
If + Past = Unreal / Hypothetical — NOT Past Time
If + Passé = Irréel / Hypothétique — PAS le passé temporel
When we use if + past simple in a hypothetical conditional, the meaning is not past. The past form signals that the situation is imagined or unlikely right now.
Quand on utilise if + passé simple dans un conditionnel hypothétique, le sens n'est pas passé. La forme au passé indique que la situation est imaginée ou peu probable maintenant.
No Would in the If-Clause + Could and Might
Pas de Would dans la Subordonnée en If + Could et Might
Do not use would in the if-part. Use past simple in the if-clause. Use would in the main clause. Could and might are also possible in the main clause.
N'utilisez pas would dans la subordonnée en if. Utilisez le passé simple dans la proposition en if. Utilisez would dans la proposition principale. Could et might sont aussi possibles dans la proposition principale.
✗ If somebody would point a gun at me … (would NOT used in if-clause)
Could: If I won a lot of money, I could buy a house. (= I would be able to)
Might: If I won a lot of money, I might buy a house. (= it's possible I would)
Exercise 1 — Complete the sentences. Choose from the box.
Exercice 1 — Complétez les phrases. Choisissez dans l'encadré.
Use the correct past simple form in each gap.
Utilisez la bonne forme du passé simple dans chaque espace.
Exercise 2 — Which sentence is correct? Write A or B.
Exercice 2 — Quelle phrase est correcte ? Écrivez A ou B.
Choose the correct conditional form based on the context.
Choisissez la forme conditionnelle correcte selon le contexte.
Exercise 3 — Complete using the correct verb forms.
Exercice 3 — Complétez avec les formes verbales correctes.
Past simple in the if-clause, would/wouldn't in the main clause.
Passé simple dans la subordonnée en if, would/wouldn't dans la proposition principale.
Exercise 4 — Write sentences beginning "If …"
Exercice 4 — Écrivez des phrases commençant par "If …"
These are NOT going to happen — write if + past → would.
Ces situations ne vont PAS arriver — écrivez if + passé → would.
Frequently Asked Questions — If I Do / If I Did
Questions fréquentes — If I Do / If I Did
If I do (if + present) = real or possible: If I see her, I'll tell her. If I did (if + past) = unreal/hypothetical: If I saw a ghost, I'd be terrified. The past form signals imagination, not past time.
If I do (if + présent) = réel ou possible. If I did (if + passé) = irréel/hypothétique. La forme au passé signale l'imagination, pas le temps passé.
No. ✓ If I had more time, I would help you. ✗ If I would have more time, I would help you. Use the past simple in the if-clause. Would goes only in the main clause.
Non. ✓ If I had more time, I would help you. ✗ If I would have more time… Utilisez le passé simple dans la subordonnée en if.
No. The past simple in a hypothetical conditional does not refer to past time. If I went to Italy = right now or future — I'm imagining going. The past tense signals that the situation is unreal or hypothetical.
Non. Le passé simple dans un conditionnel hypothétique ne renvoie pas au passé temporel. Il indique que la situation est irréelle ou hypothétique.
Yes, in the result clause. Could = would be able to: If it stopped raining, we could go out. Might = possible that I would: If I won the lottery, I might buy a boat.
Oui, dans la proposition principale. Could = would be able to. Might = il est possible que.
Both are used. If there were is the traditional subjunctive form (more formal). If there was is common in everyday English. Both are correct.
Les deux s'utilisent. If there were est la forme subjonctive traditionnelle (plus formelle). If there was est courant. Les deux sont corrects.
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