English verb conjugation
COULD RESURFACE

Regular verb: resurface - resurfaced - resurfaced

Affirmation

Simple form	V-ing form
I could resurface you could resurface he could resurface we could resurface you could resurface they could resurface	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	V-ing 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	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	V-ing form
I couldn't resurface you couldn't resurface he couldn't resurface we couldn't resurface you couldn't resurface they couldn't resurface	I couldn't be resurfacing you couldn't be resurfacing he couldn't be resurfacing we couldn't be resurfacing you couldn't be resurfacing they couldn't be resurfacing
Perfect	V-ing perfect
I couldn't have resurfaced you couldn't have resurfaced he couldn't have resurfaced we couldn't have resurfaced you couldn't have resurfaced they couldn't have resurfaced	I couldn't have been resurfacing you couldn't have been resurfacing he couldn't have been resurfacing we couldn't have been resurfacing you couldn't have been resurfacing they couldn't have been resurfacing

Interrogative form

Simple form	V-ing form
could I resurface? could you resurface? could he resurface? could we resurface? could you resurface? could they resurface?	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	V-ing 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?	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	V-ing form
couldn't I resurface? couldn't you resurface? couldn't he resurface? couldn't we resurface? couldn't you resurface? couldn't they resurface?	couldn't I be resurfacing? couldn't you be resurfacing? couldn't he be resurfacing? couldn't we be resurfacing? couldn't you be resurfacing? couldn't they be resurfacing?
Perfect	V-ing perfect
couldn't I have resurfaced? couldn't you have resurfaced? couldn't he have resurfaced? couldn't we have resurfaced? couldn't you have resurfaced? couldn't they have resurfaced?	couldn't I have been resurfacing? couldn't you have been resurfacing? couldn't he have been resurfacing? couldn't we have been resurfacing? couldn't you have been resurfacing? couldn't they have been resurfacing?