• A expressão “If I knew” pode não parecer, mas você estã falando do presente.
–If I knew his number, I would give him a call.
• “I wish I knew” é usado para dizer que lamentamos algo ou que alguma coisa é agora como desejávamos que fosse.
–I wish I knew his number…
English Version
Which do we use in which situation?
• “If I knew” doesn´t seem to be such, but you are talking about the present.
–If I knew his number, I would give him a call.
• “I wish I knew” is used to say that we regret something or that something is now as we would like it to be.
–I wish I knew his number…
