promesaseis

form-of imperfect plural second-person subjunctive

promesarの二人称複数の未完了接続法

English Meaning

second-person plural imperfect subjunctive of promesar

Si promesaseis cuidar de los secretos, nuestra amistad perduraría a través del tiempo.

もしあなたたちが秘密を守ると約束したなら、私たちの友情は時を超えて続くだろう。

If you all promised to keep the secrets, our friendship would endure through time.