English verb conjugation
MUST SURROUND

Regular verb: surround - surrounded - surrounded

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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