was necessary
Was it necessary?
Tom ha deciso che non era necessario prendere delle vitamine.
Tom decided that it wasn't necessary to take any vitamins.
Era necessario che mio zio venisse informato?
Was it necessary for my uncle to be informed?
Tom decise che non era necessario prendere delle vitamine.
Tom decided that it wasn't necessary to take vitamins.
Non era necessario che mi vedesse.
It wasn't necessary for him/her to see me.
— Cidade dos Homens (2007)
Era necessario che mio zio ne venisse al corrente.
It was necessary for my uncle to know about this.
That wasn’t necessary.