I must scoop you must scoop she must scoop we must scoop you must scoop they must scoop
V-ing form
I must be scooping you must be scooping she must be scooping we must be scooping you must be scooping they must be scooping
Perfect
I must have scooped you must have scooped she must have scooped we must have scooped you must have scooped they must have scooped
V-ing perfect
I must have been scooping you must have been scooping she must have been scooping we must have been scooping you must have been scooping they must have been scooping
Negation
Simple form
I must not scoop you must not scoop she must not scoop we must not scoop you must not scoop they must not scoop
V-ing form
I must not be scooping you must not be scooping she must not be scooping we must not be scooping you must not be scooping they must not be scooping
Perfect
I must not have scooped you must not have scooped she must not have scooped we must not have scooped you must not have scooped they must not have scooped
V-ing perfect
I must not have been scooping you must not have been scooping she must not have been scooping we must not have been scooping you must not have been scooping they must not have been scooping
Interrogative form
Simple form
must I scoop? must you scoop? must she scoop? must we scoop? must you scoop? must they scoop?
V-ing form
must I be scooping? must you be scooping? must she be scooping? must we be scooping? must you be scooping? must they be scooping?
Perfect
must I have scooped? must you have scooped? must she have scooped? must we have scooped? must you have scooped? must they have scooped?
V-ing perfect
must I have been scooping? must you have been scooping? must she have been scooping? must we have been scooping? must you have been scooping? must they have been scooping?
Interro-negative form
Simple form
must I not scoop? must you not scoop? must she not scoop? must we not scoop? must you not scoop? must they not scoop?
V-ing form
must I not be scooping? must you not be scooping? must she not be scooping? must we not be scooping? must you not be scooping? must they not be scooping?
Perfect
must I not have scooped? must you not have scooped? must she not have scooped? must we not have scooped? must you not have scooped? must they not have scooped?
V-ing perfect
must I not have been scooping? must you not have been scooping? must she not have been scooping? must we not have been scooping? must you not have been scooping? must they not have been scooping?