Kelly: Sorry, I can't. I have/'m having a dance lesson tonight. Martin: What
about Saturday afternoon? Are you busy then? Kelly: Not really.
Martin: Do you want/wanting to come go-karting with us? Kelly: Sure, why
not. What time?
Martin: At four thirty.
Kelly: That's fine. See you there, then. Слушайте диалоги и пишите глаголы в правильной форме​