aconseguissis

Verb

form-of imperfect second-person singular subjunctive

これは「aconseguir」の接続法不完全過去（仮定法過去）の二人称単数形です。

English Meaning

second-person singular imperfect subjunctive form of aconseguir

Si aconseguissis una beca, podries estudiar a l'estranger durant un any sencer.

もしあなたが奨学金を得られたら、丸一年海外で勉強できるでしょう。

If you were to obtain a scholarship, you could study abroad for a whole year.