Поставьте предложения в вопросительную и отрицательную форму

1. they used fertile land for construction sites

2. land inventory is a sistematic survey of land capability of all regions

3. the land use planner determines which acreages to employ in each land use

They did not use fertile land for construction sities

did they use fertile land for construction sities?

land inventory is not a sistematic survey of land capability of all regions

is land inventory a sistematic survey of land capability of all regions?

the land use planner determines which does not acreage to employ in each land use