Выполните следующие предложения, используя past perfect 1) doris explained that he ( not to understand) rule number. 2)angela wanted to know if they( to be) there before . 3)olaf asked if we (to buy ) tickets for the new play. 4) mother wondered if james ( to pay) for the tickets to paris . 5) aunt grace said she ( to visit ) the bahrushin theatre museum in moscow . 6) she added that she ( to spend ) three hours there 7) andrew told his brother he ( to choose ) a birthday present for their mother. !

1) Doris explained that he hadn't understood rule number.
2) Angela wanted to know if they had been there before . 
3) Olaf asked if we had bought tickets for the new play.
4) Mother wondered if James had paid for the tickets to Paris .
5) Aunt Grace said she had visited the Bahrushin Theatre Museum in Moscow . 
6) She added that she had spent three hours there
7) Andrew told his brother he had chosen a birthday present for their mother.