By the time you read this, he may have made his decision. I think that comment might have offended some people. If the event or situation referred to did not in fact occur, it's better to use might have : The draw against Italy might have been a turning point, but it didn't turn out like that.y the time you read this, he may have made his decision. I think that comment might have offended some people. If the event or situation referred to did not in fact occur, it's better to use might have : The draw against Italy might have been a turning point, but it didn't turn out like that.