I’ll go to meet you if I ________ free then.
—Who is the girl standing over there?— Well, if you _____ know, her name is Mabel.
—They haven’t finished the work up to now.—Well, they________.
It is not like Jack to be unfriendly, so he _________ you when you called.
He used to teach in that university and I _________ ride past it on my way to work.
On Sundays when I was a child, Father and I _______ get up early and go fishing.