English verb conjugation
MUST SCABBARD

Regular verb: scabbard - scabbarded - scabbarded

Affirmation

Simple form	V-ing form
I must scabbard you must scabbard he must scabbard we must scabbard you must scabbard they must scabbard	I must be scabbarding you must be scabbarding he must be scabbarding we must be scabbarding you must be scabbarding they must be scabbarding
Perfect	V-ing perfect
I must have scabbarded you must have scabbarded he must have scabbarded we must have scabbarded you must have scabbarded they must have scabbarded	I must have been scabbarding you must have been scabbarding he must have been scabbarding we must have been scabbarding you must have been scabbarding they must have been scabbarding

Negation

Simple form	V-ing form
I mustn't scabbard you mustn't scabbard he mustn't scabbard we mustn't scabbard you mustn't scabbard they mustn't scabbard	I mustn't be scabbarding you mustn't be scabbarding he mustn't be scabbarding we mustn't be scabbarding you mustn't be scabbarding they mustn't be scabbarding
Perfect	V-ing perfect
I mustn't have scabbarded you mustn't have scabbarded he mustn't have scabbarded we mustn't have scabbarded you mustn't have scabbarded they mustn't have scabbarded	I mustn't have been scabbarding you mustn't have been scabbarding he mustn't have been scabbarding we mustn't have been scabbarding you mustn't have been scabbarding they mustn't have been scabbarding

Interrogative form

Simple form	V-ing form
must I scabbard? must you scabbard? must he scabbard? must we scabbard? must you scabbard? must they scabbard?	must I be scabbarding? must you be scabbarding? must he be scabbarding? must we be scabbarding? must you be scabbarding? must they be scabbarding?
Perfect	V-ing perfect
must I have scabbarded? must you have scabbarded? must he have scabbarded? must we have scabbarded? must you have scabbarded? must they have scabbarded?	must I have been scabbarding? must you have been scabbarding? must he have been scabbarding? must we have been scabbarding? must you have been scabbarding? must they have been scabbarding?

Interro-negative form

Simple form	V-ing form
mustn't I scabbard? mustn't you scabbard? mustn't he scabbard? mustn't we scabbard? mustn't you scabbard? mustn't they scabbard?	mustn't I be scabbarding? mustn't you be scabbarding? mustn't he be scabbarding? mustn't we be scabbarding? mustn't you be scabbarding? mustn't they be scabbarding?
Perfect	V-ing perfect
mustn't I have scabbarded? mustn't you have scabbarded? mustn't he have scabbarded? mustn't we have scabbarded? mustn't you have scabbarded? mustn't they have scabbarded?	mustn't I have been scabbarding? mustn't you have been scabbarding? mustn't he have been scabbarding? mustn't we have been scabbarding? mustn't you have been scabbarding? mustn't they have been scabbarding?