must spurt
Regular verb: spurt - spurted- spurted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must spurt
you must spurt
she must spurt
we must spurt
you must spurt
they must spurt 	I must be spurting
you must be spurting
she must be spurting
we must be spurting
you must be spurting
they must be spurting	I must have spurted
you must have spurted
she 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
she 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 	Perfect 	V-ing perfect 	
I mustn't spurt
you mustn't spurt
she mustn't spurt
we mustn't spurt
you mustn't spurt
they mustn't spurt 	I mustn't be spurting
you mustn't be spurting
she mustn't be spurting
we mustn't be spurting
you mustn't be spurting
they mustn't be spurting	I mustn't have spurted
you mustn't have spurted
she mustn't have spurted
we mustn't have spurted
you mustn't have spurted
they mustn't have spurted	I mustn't have been spurting
you mustn't have been spurting
she mustn't have been spurting
we mustn't have been spurting
you mustn't have been spurting
they mustn't have been spurting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I spurt?
must you spurt?
must she spurt?
must we spurt?
must you spurt?
must they spurt? 	must I be spurting?
must you be spurting?
must she be spurting?
must we be spurting?
must you be spurting?
must they be spurting? 	must I have spurted?
must you have spurted?
must she 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 she 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 	Perfect 	V-ing perfect 	
mustn't I spurt?
mustn't you spurt?
mustn't she spurt?
mustn't we spurt?
mustn't you spurt?
mustn't they spurt? 	mustn't I be spurting?
mustn't you be spurting?
mustn't she be spurting?
mustn't we be spurting?
mustn't you be spurting?
mustn't they be spurting? 	mustn't I have spurted?
mustn't you have spurted?
mustn't she have spurted?
mustn't we have spurted?
mustn't you have spurted?
mustn't they have spurted? 	mustn't I have been spurting?
mustn't you have been spurting?
mustn't she have been spurting?
mustn't we have been spurting?
mustn't you have been spurting?
mustn't they have been spurting?