1.make questios with how a) i live in almaty.how b)i know dmitry. how c) omar is learning german.how d)i'm waiting for my friend.how e)i'm writing a letter.how

How long do I(you) live in Almaty?
How long do I(you) know Dmitri?
How long is Omar learning German?
How long are you waiting for your friend?
How long are you writing a letter?

Have i been living
Have I known
Has he been learning
Have you been waiting
Have I been writing