前方 ぜんぽう 注意 ちゅういじゃなかったです
zempōfuchūijanakattadesu

Noun
Desu Copula

The polite, past negative form of 前方不注意

1. Wasn't inattentive ahead.; Didn't pay attention ahead.

Past/Perfective
Negative
Polite
Casual Register