пожалуйста помогите сделать из этих предложений отрицательные и вопросительные!!!
(на английском)

Professor wallace is not having any problems Is Professor Wallace Having a few problems?Kates Uncle is not staying at her houseIs kates uncle staying at her house?Sam and Kate dont go to London by trainwill Sam and kate go to London by train?They dont want to find the famous explorerDo they want to find the famous explorer?He doesnt live in LondonDoes he live in london?