English verb conjugation
MUST UPSWEEP

Irregular verb: upsweep - upswept - upswept

Affirmation

Simple form	V-ing form
I must upsweep you must upsweep he must upsweep we must upsweep you must upsweep they must upsweep	I must be upsweeping you must be upsweeping he must be upsweeping we must be upsweeping you must be upsweeping they must be upsweeping
Perfect	V-ing perfect
I must have upswept you must have upswept he must have upswept we must have upswept you must have upswept they must have upswept	I must have been upsweeping you must have been upsweeping he must have been upsweeping we must have been upsweeping you must have been upsweeping they must have been upsweeping

Negation

Simple form	V-ing form
I mustn't upsweep you mustn't upsweep he mustn't upsweep we mustn't upsweep you mustn't upsweep they mustn't upsweep	I mustn't be upsweeping you mustn't be upsweeping he mustn't be upsweeping we mustn't be upsweeping you mustn't be upsweeping they mustn't be upsweeping
Perfect	V-ing perfect
I mustn't have upswept you mustn't have upswept he mustn't have upswept we mustn't have upswept you mustn't have upswept they mustn't have upswept	I mustn't have been upsweeping you mustn't have been upsweeping he mustn't have been upsweeping we mustn't have been upsweeping you mustn't have been upsweeping they mustn't have been upsweeping

Interrogative form

Simple form	V-ing form
must I upsweep? must you upsweep? must he upsweep? must we upsweep? must you upsweep? must they upsweep?	must I be upsweeping? must you be upsweeping? must he be upsweeping? must we be upsweeping? must you be upsweeping? must they be upsweeping?
Perfect	V-ing perfect
must I have upswept? must you have upswept? must he have upswept? must we have upswept? must you have upswept? must they have upswept?	must I have been upsweeping? must you have been upsweeping? must he have been upsweeping? must we have been upsweeping? must you have been upsweeping? must they have been upsweeping?

Interro-negative form

Simple form	V-ing form
mustn't I upsweep? mustn't you upsweep? mustn't he upsweep? mustn't we upsweep? mustn't you upsweep? mustn't they upsweep?	mustn't I be upsweeping? mustn't you be upsweeping? mustn't he be upsweeping? mustn't we be upsweeping? mustn't you be upsweeping? mustn't they be upsweeping?
Perfect	V-ing perfect
mustn't I have upswept? mustn't you have upswept? mustn't he have upswept? mustn't we have upswept? mustn't you have upswept? mustn't they have upswept?	mustn't I have been upsweeping? mustn't you have been upsweeping? mustn't he have been upsweeping? mustn't we have been upsweeping? mustn't you have been upsweeping? mustn't they have been upsweeping?