Translation of verstreben

You can always write me and we can learn together any language you want. How long you have taken classes? Was it only at night or on weekends? Makes me wonder how someone can be so fluent in Spanish.
The easiest way of writing sentences in Spanish and English is to communicate with other people by email or by chat. I found the different time forms quite in Spanish very confusing at the beginning and it was the most difficult part.
Where do you come from originally and how long have you been living in America? My week was very long. And how was your week? I do not know how to describe my life as I never had a writing pal.