Yes.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
MSoniHere can future reference be also possible.(counter-factual as sounds to me)This has already been explained: If the Scots had voted for independence yesterday, the new country would have come into existence on 24th March 2016.
Anonymous I might say, " . . . will have come into existence."That doesn't sound right in this context.