Last week, I stayed at home and I was bored because I left my hometown, left my friends, and came to this place without a friend. Alas, seriously, I miss them.
Last week, I have been staying at home, I am bored, because I left home, left friends, came to this place, a friend also did not have, alas, really, I think of them.
Last week, I have been staying at home, I am very boring, because I left my hometown, left my friends, came to this place, no friends, oh, seriously, I miss them.