I must barhop you must barhop she must barhop we must barhop you must barhop they must barhop
V-ing form
I must be barhoping you must be barhoping she must be barhoping we must be barhoping you must be barhoping they must be barhoping
Perfect
I must have barhoped you must have barhoped she must have barhoped we must have barhoped you must have barhoped they must have barhoped
V-ing perfect
I must have been barhoping you must have been barhoping she must have been barhoping we must have been barhoping you must have been barhoping they must have been barhoping
Negation
Simple form
I must not barhop you must not barhop she must not barhop we must not barhop you must not barhop they must not barhop
V-ing form
I must not be barhoping you must not be barhoping she must not be barhoping we must not be barhoping you must not be barhoping they must not be barhoping
Perfect
I must not have barhoped you must not have barhoped she must not have barhoped we must not have barhoped you must not have barhoped they must not have barhoped
V-ing perfect
I must not have been barhoping you must not have been barhoping she must not have been barhoping we must not have been barhoping you must not have been barhoping they must not have been barhoping
Interrogative form
Simple form
must I barhop? must you barhop? must she barhop? must we barhop? must you barhop? must they barhop?
V-ing form
must I be barhoping? must you be barhoping? must she be barhoping? must we be barhoping? must you be barhoping? must they be barhoping?
Perfect
must I have barhoped? must you have barhoped? must she have barhoped? must we have barhoped? must you have barhoped? must they have barhoped?
V-ing perfect
must I have been barhoping? must you have been barhoping? must she have been barhoping? must we have been barhoping? must you have been barhoping? must they have been barhoping?
Interro-negative form
Simple form
must I not barhop? must you not barhop? must she not barhop? must we not barhop? must you not barhop? must they not barhop?
V-ing form
must I not be barhoping? must you not be barhoping? must she not be barhoping? must we not be barhoping? must you not be barhoping? must they not be barhoping?
Perfect
must I not have barhoped? must you not have barhoped? must she not have barhoped? must we not have barhoped? must you not have barhoped? must they not have barhoped?
V-ing perfect
must I not have been barhoping? must you not have been barhoping? must she not have been barhoping? must we not have been barhoping? must you not have been barhoping? must they not have been barhoping?