Je peux finir mes devoirs ce soir.
English: I can finish my homework tonight.
The 'expression de la possibilité' in French is how you say that something is possible or might happen.
Use these forms in French when you want to talk about things that are possible, but not certain. For example, if you are not sure if something will happen, or if you want to say someone is able to do something.
Je peux finir mes devoirs ce soir.
English: I can finish my homework tonight.
Il est possible que nous partions demain.
English: It is possible that we leave tomorrow.
Peut-être qu'il pleuvra demain.
English: Maybe it will rain tomorrow.
Tu peux m'aider avec ce problème ?
English: Can you help me with this problem?
Il se peut qu'elle soit en retard.
English: She might be late.