Is Bill in the forest?

Yes, he is

Are the boys busy?

Yes, they are.

Can they swim in the river?

Yes, they can.

Must she do morning exersices?

Yes, she must

Have they got many trees in the garden?

Yes they have

Has Bill s uncle got a nice house?

Yes he has

Does she often ride a bicycle?

Yes she does

Do the boys do ...?

Yes they do

Does Jack do ...?

Yes he does

Не так сложно