You can - and should - say it if you are using the subjunctive/conditional: If I were rich, I would be happy . Although many say "If I was" nowadays, it is technically incorrect and should be "I were".
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Mohamed Soufan 8586Any idea?What is the rest of the sentence?
XerxesIf I were rich, I would be happy.However, this does not start with "I were" as the original post specified.