Choose the correct verb forms. a) if i won the lottery, I will/would give you half the money. b) If I am free on sunday, I will /would go to the cinema. c) I'll let you know if I find/found out what's happening. d) I know i feel better if I stop/stopped smoking. e) It will/would be a pity if he married Susan. f) Would/will it be all right if I invited Fred?