I could blindfold you could blindfold he could blindfold we could blindfold you could blindfold they could blindfold
V-ing form
I could be blindfolding you could be blindfolding he could be blindfolding we could be blindfolding you could be blindfolding they could be blindfolding
Perfect
I could have blindfolded you could have blindfolded he 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 he 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 he 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 he 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 he 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 he 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 he blindfold? could we blindfold? could you blindfold? could they blindfold?
V-ing form
could I be blindfolding? could you be blindfolding? could he be blindfolding? could we be blindfolding? could you be blindfolding? could they be blindfolding?
Perfect
could I have blindfolded? could you have blindfolded? could he 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 he 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 he 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 he 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 he 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 he have been blindfolding? couldn't we have been blindfolding? couldn't you have been blindfolding? couldn't they have been blindfolding?