must spue
Regular verb: spue - spued- spued

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