wish
(verb)
wish + to + base form
I wish to make a complaint.
wish + for + noun
He wished for a second chance.
wish + someone + something
I wish you every success in the future.
wish + past simple
I wish I could speak Japanese.
I wish I can speak Japanese. (wrong)
wish + that + past simple
I wish that I could speak Japanese.
I wish that I can speak Japanese. (wrong)
wish + past perfect
I wish I had paid more attention in class.
wish + that + past perfect
I wish that I had paid more attention in class.