I am not sure, but.. I wish I could fly. I believe it would be better that way We would have gone if we had had the time Subjunctive expresses a wish, a desired outcome if conditions were different..

In common spoken English, subjunctive is used when you are talking about a hypothetical future, or a wish. There are other cases, too, but these are most common. Here are examples: -- Are you going to the party tomorrow? No, but I wish I were! -- If I were a rich man, I would build a big tall house with rooms by the dozen. -- If I were elected president, I would promise to ... Here is a wikipedia article all about it with lots of other examples: http://en.wikipedia.org/wiki/Subjunctive