How do you say I am paying attention in french?

There are a few ways to say "I am paying attention" in French, depending on the context and formality:

Formal:

* Je suis attentif. (I am attentive)

* Je suis concentré(e). (I am concentrated)

* Je suis à l'écoute. (I am listening)

* Je fais attention. (I am paying attention)

Informal:

* J'écoute. (I am listening)

* Je suis concentré(e) sur ce que tu dis. (I am focused on what you're saying)

* Je suis attentif(ve) à ce que tu dis. (I am attentive to what you are saying)

If you are specifically talking about paying attention to something in particular, you can use a preposition:

* Je suis attentif à ce qu'il fait. (I am paying attention to what he is doing.)

* Je suis concentré(e) sur le problème. (I am focused on the problem.)

The best way to choose the right phrase depends on the specific situation and your relationship with the person you are speaking to.