English verb conjugation
COULD SURROUND

Regular verb: surround - surrounded - surrounded

Affirmation

Simple form	V-ing form
I could surround you could surround he could surround we could surround you could surround they could surround	I could be surrounding you could be surrounding he could be surrounding we could be surrounding you could be surrounding they could be surrounding
Perfect	V-ing perfect
I could have surrounded you could have surrounded he could have surrounded we could have surrounded you could have surrounded they could have surrounded	I could have been surrounding you could have been surrounding he could have been surrounding we could have been surrounding you could have been surrounding they could have been surrounding

Negation

Simple form	V-ing form
I could not surround you could not surround he could not surround we could not surround you could not surround they could not surround	I could not be surrounding you could not be surrounding he could not be surrounding we could not be surrounding you could not be surrounding they could not be surrounding
Perfect	V-ing perfect
I could not have surrounded you could not have surrounded he could not have surrounded we could not have surrounded you could not have surrounded they could not have surrounded	I could not have been surrounding you could not have been surrounding he could not have been surrounding we could not have been surrounding you could not have been surrounding they could not have been surrounding

Interrogative form

Simple form	V-ing form
could I surround? could you surround? could he surround? could we surround? could you surround? could they surround?	could I be surrounding? could you be surrounding? could he be surrounding? could we be surrounding? could you be surrounding? could they be surrounding?
Perfect	V-ing perfect
could I have surrounded? could you have surrounded? could he have surrounded? could we have surrounded? could you have surrounded? could they have surrounded?	could I have been surrounding? could you have been surrounding? could he have been surrounding? could we have been surrounding? could you have been surrounding? could they have been surrounding?

Interro-negative form

Simple form	V-ing form
could I not surround? could you not surround? could he not surround? could we not surround? could you not surround? could they not surround?	could I not be surrounding? could you not be surrounding? could he not be surrounding? could we not be surrounding? could you not be surrounding? could they not be surrounding?
Perfect	V-ing perfect
could I not have surrounded? could you not have surrounded? could he not have surrounded? could we not have surrounded? could you not have surrounded? could they not have surrounded?	could I not have been surrounding? could you not have been surrounding? could he not have been surrounding? could we not have been surrounding? could you not have been surrounding? could they not have been surrounding?