rendessero

form-of imperfect plural subjunctive third-person

rendereの三人称複数未完了接続法

English Meaning

third-person plural imperfect subjunctive of rendere

Se i critici rendessero giustizia al talento degli artisti, l'arte italiana sarebbe ammirata in tutto il mondo.

もし批評家たちが芸術家の才能に正当な評価を与えたなら、イタリア美術は世界中で賞賛されるだろう。

If critics were to do justice to the artists' talent, Italian art would be admired around the world.