When most of the parents (to talk) about the play and how well the dances(to perform),the mayor (to approach) the parents with the words: "i wonder if prince charming (to marry ) liz,who (to play) the part of cinderella,when they (to grow) up.

When most of the parents were talking about the play and how well the dances had been  perfomed, the Mayor approached the parents with the words: "I wonder if Prince Charming marries Liz, who has played the part of Cinderella, when they will grow up".

When most of the parents were talking about the play and how well the dances had been performed, the Mayor approached the parents with the words: "I wonder if Prince Charming marries Liz, who played the part of Cinderella, when they grow up."