Verb conjugation of "sichern" in German

Great pictures. This looks very promising! At what time do you need to be back on Monday? I may have to return early on Tuesday as well, because my daughter's and my son's birthday are on the same date.
I would gladly be your friend, but I must admit that I have little time for learning because of my work. Maybe we can talk now and see how it goes. If it goes well I can return home earlier.
What kind of movies do you prefer? Anyway, should I write you to your email, vocabulix inbox, regular mail? I'm living in the North of the U.S., near the Canadian border. Have you ever been here?