"создать из предложений вопросительную и отрицательную форму предложений: 1)my brother has three english books.2)that girl has pink stockings"

1)My brother doesn't have three english books.Does my brother have three english books?

2)That girl doesn't have pink stockings.Does that girl have pink stockings?

правильно когда мы употребляем вс глагол  'do/ does"                 My brother doesn't have three english books.Does my brother have three english books?
Но можно и так.    My brother hasn't three english books. Has my brother three english books?
That girl hasn't pink stockings. Has that girl pink stockings

The majority of economists were sure that immigration benefited our country financially.
According to the economists' forecasts, the unemployment rate will  increase after the new economic reform is implemented.
If you want your business to prosper, you should hire an experienced economist.
Our company is currently recruiting PhD economists having computer skills.
The chief economist was fired as he couldn't cope with his work successfully.
The problem of tax benefits was being discussed by the leading economists at the yesterday's conference.
The market conditions had been carefully studied by the economist before he made up a detailed plan for developing their company.

The majority of economists were sure that immigration benefited our country financially.
According to the economists' forecasts, the unemployment rate will  increase after the new economic reform is implemented.
If you want your business to prosper, you should hire an experienced economist.
Our company is currently recruiting PhD economists having computer skills.
The chief economist was fired as he couldn't cope with his work successfully.
The problem of tax benefits was being discussed by the leading economists at the yesterday's conference.
The market conditions had been carefully studied by the economist before he made up a detailed plan for developing their company.