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 must not upsweep you must not upsweep he must not upsweep we must not upsweep you must not upsweep they must not upsweep	I must not be upsweeping you must not be upsweeping he must not be upsweeping we must not be upsweeping you must not be upsweeping they must not be upsweeping
Perfect	V-ing perfect
I must not have upswept you must not have upswept he must not have upswept we must not have upswept you must not have upswept they must not have upswept	I must not have been upsweeping you must not have been upsweeping he must not have been upsweeping we must not have been upsweeping you must not have been upsweeping they must not 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
must I not upsweep? must you not upsweep? must he not upsweep? must we not upsweep? must you not upsweep? must they not upsweep?	must I not be upsweeping? must you not be upsweeping? must he not be upsweeping? must we not be upsweeping? must you not be upsweeping? must they not be upsweeping?
Perfect	V-ing perfect
must I not have upswept? must you not have upswept? must he not have upswept? must we not have upswept? must you not have upswept? must they not have upswept?	must I not have been upsweeping? must you not have been upsweeping? must he not have been upsweeping? must we not have been upsweeping? must you not have been upsweeping? must they not have been upsweeping?