In DGS, there is a manual sign imagine to indicate a counterfactual conditional. imagine is oftenaccompanied by raised eyebrows and a head nod and occurs at the beginning of the antecedent clause. This sign is optional, and the additional use of if1 orif2 is unnecessary.
imagine
A DGS example of a counterfactual conditional involving imagine is given below:
re, sq
imagine ix1 ix(dem)acard cl:‘put’ mean ix2 lose
‘If I were to play this card, it means you would have lost’