I could tint you could tint she could tint we could tint you could tint they could tint
V-ing form
I could be tinting you could be tinting she could be tinting we could be tinting you could be tinting they could be tinting
Perfect
I could have tinted you could have tinted she could have tinted we could have tinted you could have tinted they could have tinted
V-ing perfect
I could have been tinting you could have been tinting she could have been tinting we could have been tinting you could have been tinting they could have been tinting
Negation
Simple form
I could not tint you could not tint she could not tint we could not tint you could not tint they could not tint
V-ing form
I could not be tinting you could not be tinting she could not be tinting we could not be tinting you could not be tinting they could not be tinting
Perfect
I could not have tinted you could not have tinted she could not have tinted we could not have tinted you could not have tinted they could not have tinted
V-ing perfect
I could not have been tinting you could not have been tinting she could not have been tinting we could not have been tinting you could not have been tinting they could not have been tinting
Interrogative form
Simple form
could I tint? could you tint? could she tint? could we tint? could you tint? could they tint?
V-ing form
could I be tinting? could you be tinting? could she be tinting? could we be tinting? could you be tinting? could they be tinting?
Perfect
could I have tinted? could you have tinted? could she have tinted? could we have tinted? could you have tinted? could they have tinted?
V-ing perfect
could I have been tinting? could you have been tinting? could she have been tinting? could we have been tinting? could you have been tinting? could they have been tinting?
Interro-negative form
Simple form
could I not tint? could you not tint? could she not tint? could we not tint? could you not tint? could they not tint?
V-ing form
could I not be tinting? could you not be tinting? could she not be tinting? could we not be tinting? could you not be tinting? could they not be tinting?
Perfect
could I not have tinted? could you not have tinted? could she not have tinted? could we not have tinted? could you not have tinted? could they not have tinted?
V-ing perfect
could I not have been tinting? could you not have been tinting? could she not have been tinting? could we not have been tinting? could you not have been tinting? could they not have been tinting?