Past Tenses №1

Identify the tenses, then match them to the correct descriptions.

Определите время и объясните его использование:
1    People used to have/had very simple lives in those days.
2    She was talking on the phone when her boss came in.
3    Sam was in hospital because he had crashed his car.
4    They had been studying hard all morning, so they were tired.
5    I was cooking lunch while he was pouring the drinks.
6    We had been living in the house for a year before we decorated the kitchen.
7    Princess Diana did a lot of work for charity.
8    At two o"clock this afternoon they were having lunch at work.
9    First, she knocked on the door. Then, she went inside.
10  We had bought the tickets before we went to the theatre.