1. Rafael lit (light) the candles when she arrived.
2. Rafael lit (light) the candles when she arrived.
3. When she arrived at the theatre, he bought (buy) the tickets.
4. When she arrived at the theatre, he bought (buy) the tickets.
5. When he came home, they had (have) dinner together.
6. When he came home, she had already had (already/have) dinner.