1. Zero Conditional
1.1. The zero conditional is used to talk generally about events that happen under absolute truths or generic .
1.1.1. If + condition + result
1.1.1.1. present simple
1.1.1.1.1. If + present simple
1.1.1.2. It becomes ice.
1.1.1.2.1. If you freeze water
1.1.2. Result simple + if + condition
1.1.2.1. If + present simple
1.1.2.1.1. Present simple
1.1.2.2. If they come home
1.1.2.2.1. They always bring a bottle of wine
1.1.3. We can also use 'when ' rather than 'if' .
2. First Conditional
2.1. It is used to talk about things that can happen in the future. The difference with the ' conditional zero' is that this speaks of generic truths , while the ' first conditional ' talks about particular situations.
2.1.1. If + condition + result
2.1.1.1. will + infinitive
2.1.1.1.1. if + present simple
2.1.1.2. I'll cook for you.
2.1.1.2.1. If you come tonight
2.1.2. Result simple + if + condition
2.1.2.1. if + present simple
2.1.2.1.1. will + infinitive
2.1.2.2. if it rains.
2.1.2.2.1. We won't go out tonight
2.1.3. Example:
2.1.3.1. Zero conditional Animals die if they don't eat. (It's a general thruth)
2.1.3.2. First conditional Animals will die if you don't feed them. (It's a particular situation)
3. Second Conditional
3.1. It is used to talk about things in the future that probably will not be real , for example , wishes, dreams , etc.
3.1.1. If + condition + result
3.1.1.1. If + past simple
3.1.1.1.1. would + infinitive
3.1.1.2. If you had enough money
3.1.1.2.1. I'd buy a car.
3.1.2. Result + if + condition
3.1.2.1. Would + infinitive
3.1.2.1.1. if + past simple
3.1.2.2. I would travel around the world
3.1.2.2.1. if I didn't have to work.
3.1.3. Example
3.1.3.1. If I were you, I would travel around the world.
4. Third Conditional
4.1. The third conditional is used to imagine a solution that did not happen to a past situation .
4.1.1. If + condition + result
4.1.1.1. If + past perfect
4.1.1.1.1. would + have + past participle
4.1.1.2. If you had gone to the party
4.1.1.2.1. you would have met her.
4.1.2. Result + if + condition
4.1.2.1. Would + have + past participle
4.1.2.1.1. if + past perfect
4.1.2.2. I would have traveled around the world
4.1.2.2.1. if I had won the lottery.