In Verbs^x, Indirect speech^x, Conditionals^x

Eh, Rothkowitz, this has sometjhing to do with what I just asked! (see the thread "If I knew what you knew") It seems both "I wish I could say I was happy" and "I wish I could say I'm happy" can be used with the same meaning. Anyway, I think that the sentence with "was" sounds better, maybe...

I don't really understand the question either... Konstantin, you're referring to the Conditional with your German example. Indirect speech in German works differently as the Conjunctive has to be used in formal German, which however, can be replaced by the Conditional (would+infinitive). ...