天然 てんねん資源 しげん保護 ほご ろん しゃではありませんでした
tennenshigenhogoronshadewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 天然資源保護論者

1. Was not a natural resource conservationist.; Was not a proponent of natural resource conservation.

Past/Perfective
Negative
Polite
Formal Register