English verb conjugation
MUST SPUE

Regular verb: spue - spued - spued

Affirmation

Simple form	V-ing form
I must spue you must spue he must spue we must spue you must spue they must spue	I must be spuing you must be spuing he must be spuing we must be spuing you must be spuing they must be spuing
Perfect	V-ing perfect
I must have spued you must have spued he must have spued we must have spued you must have spued they must have spued	I must have been spuing you must have been spuing he must have been spuing we must have been spuing you must have been spuing they must have been spuing

Negation

Simple form	V-ing form
I mustn't spue you mustn't spue he mustn't spue we mustn't spue you mustn't spue they mustn't spue	I mustn't be spuing you mustn't be spuing he mustn't be spuing we mustn't be spuing you mustn't be spuing they mustn't be spuing
Perfect	V-ing perfect
I mustn't have spued you mustn't have spued he mustn't have spued we mustn't have spued you mustn't have spued they mustn't have spued	I mustn't have been spuing you mustn't have been spuing he mustn't have been spuing we mustn't have been spuing you mustn't have been spuing they mustn't have been spuing

Interrogative form

Simple form	V-ing form
must I spue? must you spue? must he spue? must we spue? must you spue? must they spue?	must I be spuing? must you be spuing? must he be spuing? must we be spuing? must you be spuing? must they be spuing?
Perfect	V-ing perfect
must I have spued? must you have spued? must he have spued? must we have spued? must you have spued? must they have spued?	must I have been spuing? must you have been spuing? must he have been spuing? must we have been spuing? must you have been spuing? must they have been spuing?

Interro-negative form

Simple form	V-ing form
mustn't I spue? mustn't you spue? mustn't he spue? mustn't we spue? mustn't you spue? mustn't they spue?	mustn't I be spuing? mustn't you be spuing? mustn't he be spuing? mustn't we be spuing? mustn't you be spuing? mustn't they be spuing?
Perfect	V-ing perfect
mustn't I have spued? mustn't you have spued? mustn't he have spued? mustn't we have spued? mustn't you have spued? mustn't they have spued?	mustn't I have been spuing? mustn't you have been spuing? mustn't he have been spuing? mustn't we have been spuing? mustn't you have been spuing? mustn't they have been spuing?