не должно было быть

wasn't supposed to be

→ не

phrase Rare #34,528

wasn't supposed to be Expresses that someone or something was not expected or meant to be somewhere or exist. The form changes to agree with the subject.

RU: Тебя не должно было быть здесь.

EN: You weren't supposed to be here.

Здесь никого не должно было быть.

There shouldn't have been anyone here.

Этого просто не должно было быть.

This simply should never have happened.

Вас там не должно было быть.

You weren't supposed to be there.

Оно не должно было быть неправильным.

It shouldn't have been wrong.

— Сенна (2010)