Breakdown of Ojalá hubiera aprovechado todo mi potencial.
mi
my
todo
all / everything
haber
(auxiliary) have
aprovechar
to make the most of
Questions & Answers about Ojalá hubiera aprovechado todo mi potencial.
Why do we use the past perfect subjunctive (hubiera aprovechado) here instead of the present subjunctive?
Ojalá followed by the present subjunctive is used for things you hope will happen in the future. When you use it with the past perfect subjunctive (hubiera plus a past participle), it expresses a regret about the past, meaning something you wish had happened but did not. It translates perfectly to 'I wish I had' in English.
Is it possible to use hubiese instead of hubiera in this sentence?
Yes, absolutely. Both hubiera and hubiese are correct imperfect subjunctive forms of the auxiliary verb haber. In Latin America, hubiera is much more widely used in everyday speech, but you will still encounter hubiese, and they mean exactly the same thing.
Doesn't the verb aprovechar mean to take advantage of someone in a negative or selfish way?
Not on its own. The non-reflexive verb aprovechar simply means to make the most of or to put to good use, which is positive here. If you want to talk about exploiting someone or a situation maliciously, you would use the reflexive form with a preposition: aprovecharse de.
Since hubiera can mean I had, he had, she had, or you had (formal), how do we know who the subject is here?