Past Simple or Past Perfect1. We (have) a good rest when our guests all (leave).2. When he (ring) the office this morning, Ann (alreade, leave).3. We had to wait two hours at the airport because the bad weather (delay) all the flights.4. They missed their train, so by the time they reached the theatre, the play (end) and the audience (leave) the theatre.
We had a good rest when our guests all left.When he rang the office this morning, Ann had already left.We had to wait two hours at the airport because the bad weather had delayed all the flights.They missed their train, so by the time they reached the theatre, the play had ended and the audience had left the theatre.