I could blindfold you could blindfold she could blindfold we could blindfold you could blindfold they could blindfold
V-ing form
I could be blindfolding you could be blindfolding she could be blindfolding we could be blindfolding you could be blindfolding they could be blindfolding
Perfect
I could have blindfolded you could have blindfolded she could have blindfolded we could have blindfolded you could have blindfolded they could have blindfolded
V-ing perfect
I could have been blindfolding you could have been blindfolding she could have been blindfolding we could have been blindfolding you could have been blindfolding they could have been blindfolding
Negation
Simple form
I couldn't blindfold you couldn't blindfold she couldn't blindfold we couldn't blindfold you couldn't blindfold they couldn't blindfold
V-ing form
I couldn't be blindfolding you couldn't be blindfolding she couldn't be blindfolding we couldn't be blindfolding you couldn't be blindfolding they couldn't be blindfolding
Perfect
I couldn't have blindfolded you couldn't have blindfolded she couldn't have blindfolded we couldn't have blindfolded you couldn't have blindfolded they couldn't have blindfolded
V-ing perfect
I couldn't have been blindfolding you couldn't have been blindfolding she couldn't have been blindfolding we couldn't have been blindfolding you couldn't have been blindfolding they couldn't have been blindfolding
Interrogative form
Simple form
could I blindfold? could you blindfold? could she blindfold? could we blindfold? could you blindfold? could they blindfold?
V-ing form
could I be blindfolding? could you be blindfolding? could she be blindfolding? could we be blindfolding? could you be blindfolding? could they be blindfolding?
Perfect
could I have blindfolded? could you have blindfolded? could she have blindfolded? could we have blindfolded? could you have blindfolded? could they have blindfolded?
V-ing perfect
could I have been blindfolding? could you have been blindfolding? could she have been blindfolding? could we have been blindfolding? could you have been blindfolding? could they have been blindfolding?
Interro-negative form
Simple form
couldn't I blindfold? couldn't you blindfold? couldn't she blindfold? couldn't we blindfold? couldn't you blindfold? couldn't they blindfold?
V-ing form
couldn't I be blindfolding? couldn't you be blindfolding? couldn't she be blindfolding? couldn't we be blindfolding? couldn't you be blindfolding? couldn't they be blindfolding?
Perfect
couldn't I have blindfolded? couldn't you have blindfolded? couldn't she have blindfolded? couldn't we have blindfolded? couldn't you have blindfolded? couldn't they have blindfolded?
V-ing perfect
couldn't I have been blindfolding? couldn't you have been blindfolding? couldn't she have been blindfolding? couldn't we have been blindfolding? couldn't you have been blindfolding? couldn't they have been blindfolding?