I must scoop you must scoop he must scoop we must scoop you must scoop they must scoop
V-ing form
I must be scooping you must be scooping he must be scooping we must be scooping you must be scooping they must be scooping
Perfect
I must have scooped you must have scooped he 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 he must have been scooping we must have been scooping you must have been scooping they must have been scooping
Negation
Simple form
I mustn't scoop you mustn't scoop he mustn't scoop we mustn't scoop you mustn't scoop they mustn't scoop
V-ing form
I mustn't be scooping you mustn't be scooping he mustn't be scooping we mustn't be scooping you mustn't be scooping they mustn't be scooping
Perfect
I mustn't have scooped you mustn't have scooped he mustn't have scooped we mustn't have scooped you mustn't have scooped they mustn't have scooped
V-ing perfect
I mustn't have been scooping you mustn't have been scooping he mustn't have been scooping we mustn't have been scooping you mustn't have been scooping they mustn't have been scooping
Interrogative form
Simple form
must I scoop? must you scoop? must he scoop? must we scoop? must you scoop? must they scoop?
V-ing form
must I be scooping? must you be scooping? must he be scooping? must we be scooping? must you be scooping? must they be scooping?
Perfect
must I have scooped? must you have scooped? must he 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 he have been scooping? must we have been scooping? must you have been scooping? must they have been scooping?
Interro-negative form
Simple form
mustn't I scoop? mustn't you scoop? mustn't he scoop? mustn't we scoop? mustn't you scoop? mustn't they scoop?
V-ing form
mustn't I be scooping? mustn't you be scooping? mustn't he be scooping? mustn't we be scooping? mustn't you be scooping? mustn't they be scooping?
Perfect
mustn't I have scooped? mustn't you have scooped? mustn't he have scooped? mustn't we have scooped? mustn't you have scooped? mustn't they have scooped?
V-ing perfect
mustn't I have been scooping? mustn't you have been scooping? mustn't he have been scooping? mustn't we have been scooping? mustn't you have been scooping? mustn't they have been scooping?