Verb conjugation of "rassembler" in French

I have started learning only one month ago, that was during the summer holidays, I want to go to Canada for three weeks and then participate in a course. I hope that I will improve it more or less.
The system will collect information about the learning behavior and guide the user through a tailor-made process that is best suited for him. This technique is not entirely new but we are redesigning the whole concept of it.
I sent a letter 2 days ago. Did you get it? I see that you like sports. I play tennis. Maybe we can communicate together and write about sports and learn Spanish that way. Waiting for your reply.