B1[I+ (that)]used with the past simple to express that you feel sorry or sad about a state or situation that exists at the moment: I wish (that) I was/were a bit taller.I wish (that) you were coming with me, Peter.Sadness and regretB1[I+ (that)]used with the past perfect to express that you feel sorry or sad about a particular action in the past: I wish (that) I hadn't eaten so much.I bet she wishes (that) she'd never got involved in the whole affair.Sadness and regret