Как переводится had to neednt

had to (Past Simple от have to)  - нужно было, было необходимо;

He had to be off. We had to help him. 

needn\'t - не нужно, не следует, не обязательно. Примеры: You needn\'t stay long. You needn\'t have spent all that money. He needn\'t have been in such a hurry.