English verb conjugation
COULD INTERTWINE

Regular verb: intertwine - intertwined - intertwined

Affirmation

Simple form	V-ing form
I could intertwine you could intertwine he could intertwine we could intertwine you could intertwine they could intertwine	I could be intertwining you could be intertwining he could be intertwining we could be intertwining you could be intertwining they could be intertwining
Perfect	V-ing perfect
I could have intertwined you could have intertwined he could have intertwined we could have intertwined you could have intertwined they could have intertwined	I could have been intertwining you could have been intertwining he could have been intertwining we could have been intertwining you could have been intertwining they could have been intertwining

Negation

Simple form	V-ing form
I could not intertwine you could not intertwine he could not intertwine we could not intertwine you could not intertwine they could not intertwine	I could not be intertwining you could not be intertwining he could not be intertwining we could not be intertwining you could not be intertwining they could not be intertwining
Perfect	V-ing perfect
I could not have intertwined you could not have intertwined he could not have intertwined we could not have intertwined you could not have intertwined they could not have intertwined	I could not have been intertwining you could not have been intertwining he could not have been intertwining we could not have been intertwining you could not have been intertwining they could not have been intertwining

Interrogative form

Simple form	V-ing form
could I intertwine? could you intertwine? could he intertwine? could we intertwine? could you intertwine? could they intertwine?	could I be intertwining? could you be intertwining? could he be intertwining? could we be intertwining? could you be intertwining? could they be intertwining?
Perfect	V-ing perfect
could I have intertwined? could you have intertwined? could he have intertwined? could we have intertwined? could you have intertwined? could they have intertwined?	could I have been intertwining? could you have been intertwining? could he have been intertwining? could we have been intertwining? could you have been intertwining? could they have been intertwining?

Interro-negative form

Simple form	V-ing form
could I not intertwine? could you not intertwine? could he not intertwine? could we not intertwine? could you not intertwine? could they not intertwine?	could I not be intertwining? could you not be intertwining? could he not be intertwining? could we not be intertwining? could you not be intertwining? could they not be intertwining?
Perfect	V-ing perfect
could I not have intertwined? could you not have intertwined? could he not have intertwined? could we not have intertwined? could you not have intertwined? could they not have intertwined?	could I not have been intertwining? could you not have been intertwining? could he not have been intertwining? could we not have been intertwining? could you not have been intertwining? could they not have been intertwining?