1)Before I went to Russia last year I (to read) a lot about it.
2)I found that your country (to change) so much.
3)I (to hear) that Moscow became as an international city as London.
4)I (to expect) that Russia is a cold country and I (to find) it was true.
5)She (to be born) before the war (to begin).
6)Captain Cook (to discover) the island before he (to die).