I could resurface you could resurface he could resurface we could resurface you could resurface they could resurface
V-ing form
I could be resurfacing you could be resurfacing he could be resurfacing we could be resurfacing you could be resurfacing they could be resurfacing
Perfect
I could have resurfaced you could have resurfaced he could have resurfaced we could have resurfaced you could have resurfaced they could have resurfaced
V-ing perfect
I could have been resurfacing you could have been resurfacing he could have been resurfacing we could have been resurfacing you could have been resurfacing they could have been resurfacing
Negation
Simple form
I could not resurface you could not resurface he could not resurface we could not resurface you could not resurface they could not resurface
V-ing form
I could not be resurfacing you could not be resurfacing he could not be resurfacing we could not be resurfacing you could not be resurfacing they could not be resurfacing
Perfect
I could not have resurfaced you could not have resurfaced he could not have resurfaced we could not have resurfaced you could not have resurfaced they could not have resurfaced
V-ing perfect
I could not have been resurfacing you could not have been resurfacing he could not have been resurfacing we could not have been resurfacing you could not have been resurfacing they could not have been resurfacing
Interrogative form
Simple form
could I resurface? could you resurface? could he resurface? could we resurface? could you resurface? could they resurface?
V-ing form
could I be resurfacing? could you be resurfacing? could he be resurfacing? could we be resurfacing? could you be resurfacing? could they be resurfacing?
Perfect
could I have resurfaced? could you have resurfaced? could he have resurfaced? could we have resurfaced? could you have resurfaced? could they have resurfaced?
V-ing perfect
could I have been resurfacing? could you have been resurfacing? could he have been resurfacing? could we have been resurfacing? could you have been resurfacing? could they have been resurfacing?
Interro-negative form
Simple form
could I not resurface? could you not resurface? could he not resurface? could we not resurface? could you not resurface? could they not resurface?
V-ing form
could I not be resurfacing? could you not be resurfacing? could he not be resurfacing? could we not be resurfacing? could you not be resurfacing? could they not be resurfacing?
Perfect
could I not have resurfaced? could you not have resurfaced? could he not have resurfaced? could we not have resurfaced? could you not have resurfaced? could they not have resurfaced?
V-ing perfect
could I not have been resurfacing? could you not have been resurfacing? could he not have been resurfacing? could we not have been resurfacing? could you not have been resurfacing? could they not have been resurfacing?