1mum/ do the shopping? a yes, it is. 2 you/ tidy your room? b yes, they are. 3 i/ dream ? c no, he isn't. 4 they/ argue? d yes, she is. 5jack/ have his lunch? e yes, you are 6 the film / start? f no, i'm not.

Is mum doing shopping? Yes, she is.
Are you tidying your room? No, I’m not.
Am I dreaming? Yes, you are.
Are they arguing? Yes, they are.
Is jack having his lunch? No, he isn’t.
Is the film starting? Yes, it is.