bonjour,pouvez vous m'aider pour un exercice d'anglais s'il vous plaît merci d'avance

Réponse :
1. We will be late if we don't hurry.
2. If the weather doesn't improve, we won't have a picnic.
3. They will go to the party if they are invited.
3. If I don't go to bed early, I will be very tired tomorrow.
Explications :