1) Have/has mum (cook) barbecue today?-No,she hasn't/haven't. 2)Have/has they (stay) at home this evening?-Yes, they have/has. 3) Have/has Susan (talk) to her parents on Skype?-Yes, she have/has. 4) Have/has she (work) as a doctor since August?-Yes, she have/has. 5) Have/has you (do) your homework for today?-No,I hasn't/haven't. 6) Have/has they (paint) your room blue?-Yes, they have/has
1)Has mum cooks barbecue today? -No, she hasn't. 2)Have they stay at home this evening?-Yes, they have. 3)Has Susan talks to her parents on Skype?-Yes, she has. 4) Has she works as a doctor since August?-Yes, she has. 5) Have you do your homework for today?-No,I haven't. 6) Have they paint your room blue?-Yes, they have.