CONDITIONAL 0 If we sell standard rooms and the best rooms are vacant, we lose money. You offer a discount if the guest books in advance. It is used for general truths It is used for instruccions. If has the same meaning as when here.
Form Conditional 0 If + present simple,present simple If you press the button, the machine switches off. If you go in the best seats,you get a free drink. Or present simpleif + present simple The machine switches off if you press the button. You get a free drink if you go in the bests seats.
CONDITIONAL 1 Mr. Johnson will be very happy if he gets an upgrade. If travelers are tired, they will often upgrade accommodation. Were going to lower our rates if we dont get more bookings. It refers to the future. It is used when there is a possibility that the if – event might happen. We can substitute will by might, can or going to.
Form Conditional 1 If + present simple,future If we increase our order, theyll give us a higher discount. If our visitors are late,we wont be able to take them to the theatre. Or futureif + present simple Theyll give us a higher discount if we increase our order. We wont be able to take our visitors to the theatre if they are late.
Conditional 2 If I were you, Id make the booking now. If he wanted to, he could become CEO. It is used to talk about an impossible / improbable or hypothetical future situation and its consequence. It is possible to use If I were rather than If I was, especially when giving advice. Instead of would, we can use might or could.
Form Conditional 2 If + past simple,would + base form If we had more money to spend, we would be interested. If he was the Queen of England, hed sell Buckingham Palace. Or would + base formif + past simple Wed be interested if we had more money to spend. Hed sell BuckinghamPalace if he was the Queen of England.
Conditional 0general truths or instructions. If + present simple,present simple When a hotel doesnt sell its rooms, it loses money. Conditional 1possible future situations. If + present simple,future If the receptionist upsells, the guest might re-book. Conditional 2impossible or hypothetical situations. If + past simple, would + base form If I got a commission, Id sell more rooms.