Alice didn't get a good grade. She wishes she (work) had worked harder
Tom likes football very much. He wishes he (become) became a professional football player.
He was running very fast when he had a heart attack. If only he (not/run) hadn't run so fast.
She's keen on computers. She wishes she (study) studied computer science next school year.
I am sorry I don’t know how to use the computer.If only I knew how to use it.
I stayed late at work and missed the last bus. I wish I had not stayed at work late.