English verb conjugation
MUST SPURT

Regular verb: spurt - spurted - spurted

Affirmation

Simple form	V-ing form
I must spurt you must spurt he must spurt we must spurt you must spurt they must spurt	I must be spurting you must be spurting he must be spurting we must be spurting you must be spurting they must be spurting
Perfect	V-ing perfect
I must have spurted you must have spurted he must have spurted we must have spurted you must have spurted they must have spurted	I must have been spurting you must have been spurting he must have been spurting we must have been spurting you must have been spurting they must have been spurting

Negation

Simple form	V-ing form
I must not spurt you must not spurt he must not spurt we must not spurt you must not spurt they must not spurt	I must not be spurting you must not be spurting he must not be spurting we must not be spurting you must not be spurting they must not be spurting
Perfect	V-ing perfect
I must not have spurted you must not have spurted he must not have spurted we must not have spurted you must not have spurted they must not have spurted	I must not have been spurting you must not have been spurting he must not have been spurting we must not have been spurting you must not have been spurting they must not have been spurting

Interrogative form

Simple form	V-ing form
must I spurt? must you spurt? must he spurt? must we spurt? must you spurt? must they spurt?	must I be spurting? must you be spurting? must he be spurting? must we be spurting? must you be spurting? must they be spurting?
Perfect	V-ing perfect
must I have spurted? must you have spurted? must he have spurted? must we have spurted? must you have spurted? must they have spurted?	must I have been spurting? must you have been spurting? must he have been spurting? must we have been spurting? must you have been spurting? must they have been spurting?

Interro-negative form

Simple form	V-ing form
must I not spurt? must you not spurt? must he not spurt? must we not spurt? must you not spurt? must they not spurt?	must I not be spurting? must you not be spurting? must he not be spurting? must we not be spurting? must you not be spurting? must they not be spurting?
Perfect	V-ing perfect
must I not have spurted? must you not have spurted? must he not have spurted? must we not have spurted? must you not have spurted? must they not have spurted?	must I not have been spurting? must you not have been spurting? must he not have been spurting? must we not have been spurting? must you not have been spurting? must they not have been spurting?