Kevin: come on, tim. let's have a game. i have to go home soon. tim: why? it's only eight o'clock. kevin: my parents make me come home at nine. they don't let me stay out late on a weekday. tim: why not? polly: because we've got school. my parents are the same. i am not allowed to stay out late on weekdays either. tim: good. what about going to a concert on saturday? bob: yeah. a friend of mine is performing in green theatre. polly: really? what is he doing? tim: he is a puppeteer. his show starts at nine. can you come? polly: maybe. my parents don't usually let me go into town in the evening. kevin: they may let you go. they let you go to the tv studio last week. polly: ok. i'll ask them.