The official language for the forum is english.
When you post, at least please post a translation (even a google translation) of your post.
ou can build games in team sports like soccer construct 2 vs 2 or can not be
Here is the translation for your current question.
Online multiplayer games can be done with Construct 2 but requires the websocket plugin in C2 and require you to code your own server (in nodeJS for example).
Here is an example of a multiplayer game some forum member made, you should check it out.
For multiplayer, locally on the same computer, it is just a matter of getting the correct inputs for each of your players.
Check the tutorials section and the how do I FAQ.