Do Bob and Katy have to tidy their room?
No, they don't
Does Trevor have to tidy his room?
No, he doesn't
Does Janet have to cook lunch?
No, she doesn't
Does Trevor have to cook lunch?
No, he doesn't
Does Janet have to study for a test?
No, she doesn't
Do Bob and Katy have to study for a test?
Yes, they do
Does Trevor have to study for a test?
No, he doesn't
Does Janet have to wash the car?
Yes, she does
Do Bob and Katy have to wash the car?
No, they don't
Does Trevor have to wash the car?
Yes, he does
Does Janet have to see a doctor?
No, she doesn't
Do Bob and Katy have to see a doctor?
No, they don't
Does Trevor have to see a doctor?
No, he doesn't
