if I had known, I would have come
—Why didn't you come to the party? —If I had known, I would have gladly come.
If I had known what happened, I would have called earlier.
He apologised: if he had known, he would have come to help.
—Why didn't you come to the party? —If I had known, I would have gladly come.
If I had known what happened, I would have called earlier.
He apologised: if he had known, he would have come to help.