Verb conjugation of "erkunden" in German

The current situation in Libya is really difficult. I tried to get in contact with acquaintances, but all the phones were not working. I'm really concerned about their well-being. I'll try again later.
How is the weather in Hamburg? We have 15 degrees and some sunshine here in the south. I have some remarks on your mail. If you write again and if you wish, I can correct your spelling mistakes.
I think you learn best through writing, talking and reading. Since I'm currently busy at my work and since I have no time for courses, I have no improvement plans for my Spanish studies.