Question

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

Answer 1

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