1he/watch TV () Is he watching TV? Yes, he is.
2Tricksy/drive () Is she driving?
Yes, she is
3they/swim () They swimming?
Yes, they are.
4it/run () Is it run?
Yes, it is
5Goldie/play the guitar() Is he playing the guitar? Yes, he is.
6she/buy food() Is she buying food?
Yes, she is.
