Chapter 3 -- Verbs Exercise 69 -- page 63 Give the Spanish equivalent of the following.
1.	How long have you (plural) known it?
2.	He hadn't been speaking to us for a long time.
3.	We had been living in the same apartment for two years.
4.	Maria had known Juan for two months.
5.	He had wanted to travel in a plane for a long time.
6.	He had been sick for only five days.
7.	How long ago had they constructed those skyscrapers?
8.	She had told me the same thing a couple of months ago.