Because I`m a band. But I played a bass in a short time.
I wish I could play a bass well.
I want I play many songs. So I wish I could play a bass well.
I want to go SLIPKNOT`s concert. But this concert`s price is 88000won.
I wish I could go SLIPKNOT`s concert.
So I gave up. Sadly, I wait next chance.
Form = Subjective + Wish + Past tense form
I wish I were a Royal prince.
I wish I had a 'Penda' bass.
'Wish' is a dream. It`s not fulfill. But we still think it.
So It express the past tence.