あと なの 修法 しゅほうではありませんでした
atona nokano goshuhōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 後七日の御修法

1. It was not the ritual for the seventh day after [someone's death].; It wasn't the seventh-day memorial service.

Past/Perfective
Negative
Polite
Formal Register