1) Kevin asked if Tom had introduced himself then.
2) Bob said he had appeared in the film on television.
3) Greg asked me if you had offered my new plan to the crew.
4) Sarah told me they had bought some books for their children the day before.
5) Mr Ross said her son had finished one of the Harry Porter books the previous month.
6) Ron asked me if I had visited the actors a week before.
7) Tom said he had returned the books to the library the previous Saturday.
8) Mary asked me if I had enjoyed the performance.