Relier Pairs first conditionalVersion en ligne First conditional par Andrey Parada Gómez 1 Present simple 2 First conditional 3 Structure of first conditional 4 Future simple 5 Example of first conditional For repeated or regular actions in the present time period. It's used to talk about things which might happen in the future. Of course, we can't know what will happen in the future, but this describes possible things, which could easily come true. If + present simple + future simple If it rains, I won't go to the park. expresses a spontaneous decision, an assumption with regard to the future or an action in the future that cannot be influenced.