ha

• except, unless

• if necessary, in case of necessity

• if indeed

• if you like

• in the dry tree

• if we are spared

• at one's leisure

• if necessary

• pace

• unless I am mistaken

• if by any chance, if by any possibility, should it happen, should it occur that, should it so happen, should it so occur that

• if you like

• come to that

• if you are so minded

• in fair weather or in foul

• if I get the time

• had I known

• if you feel inclined

• if it be true that

• if I right remember

• were if not for sg