If I see David Beckham, I ...... (ask) him for an autograph for you.
If I see David Beckham, I will ask him for an autograph for you.
If I .... (leave) now, I would catch the train.
If I left now, I would catch the train.
What tense do we use in the 1st conditional (in the part with the if)?
Present Simple
You will catch a cold if you ... (not put) on something warmer.
You will catch a cold if you don't put on something warmer.
If you ... (find) a bag full of money, would you keep it?
If you found a bag full of money, would you keep it?
What tense do we use in the 2nd conditional (in the part with the if)?
Past Simple
If you .... (ring) the bell, I will hear you.
If you ring the bell, I will hear you.
If it .... (not be) so hot in here, I would go and shut the windows.
If it wasn't so hot in here, I would go and shut the windows.
When do we need the 1st conditional?
For likely situations
Mum is in a mad mood today, so it ... (be) better if you ... (wait) outside.
Mum is in a mad mood today, so it will be better if you wait outside.
If the guide spoke better English, we .... (understand) him.
If the guide spoke better English, we would understand him.
When do we use the 2nd conditional?
For unlikely situations