Relier Pairs first conditionalVersion en ligne First conditional par Andrey Parada Gómez 1 Example of first conditional 2 Structure of first conditional 3 Future simple 4 First conditional 5 Present simple For repeated or regular actions in the present time period. If + present simple + future simple If it rains, I won't go to the park. 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. expresses a spontaneous decision, an assumption with regard to the future or an action in the future that cannot be influenced.