must spoof
Regular verb: spoof - spoofed- spoofed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must spoof
you must spoof
she must spoof
we must spoof
you must spoof
they must spoof 	I must be spoofing
you must be spoofing
she must be spoofing
we must be spoofing
you must be spoofing
they must be spoofing	I must have spoofed
you must have spoofed
she must have spoofed
we must have spoofed
you must have spoofed
they must have spoofed	I must have been spoofing
you must have been spoofing
she must have been spoofing
we must have been spoofing
you must have been spoofing
they must have been spoofing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't spoof
you mustn't spoof
she mustn't spoof
we mustn't spoof
you mustn't spoof
they mustn't spoof 	I mustn't be spoofing
you mustn't be spoofing
she mustn't be spoofing
we mustn't be spoofing
you mustn't be spoofing
they mustn't be spoofing	I mustn't have spoofed
you mustn't have spoofed
she mustn't have spoofed
we mustn't have spoofed
you mustn't have spoofed
they mustn't have spoofed	I mustn't have been spoofing
you mustn't have been spoofing
she mustn't have been spoofing
we mustn't have been spoofing
you mustn't have been spoofing
they mustn't have been spoofing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I spoof?
must you spoof?
must she spoof?
must we spoof?
must you spoof?
must they spoof? 	must I be spoofing?
must you be spoofing?
must she be spoofing?
must we be spoofing?
must you be spoofing?
must they be spoofing? 	must I have spoofed?
must you have spoofed?
must she have spoofed?
must we have spoofed?
must you have spoofed?
must they have spoofed? 	must I have been spoofing?
must you have been spoofing?
must she have been spoofing?
must we have been spoofing?
must you have been spoofing?
must they have been spoofing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I spoof?
mustn't you spoof?
mustn't she spoof?
mustn't we spoof?
mustn't you spoof?
mustn't they spoof? 	mustn't I be spoofing?
mustn't you be spoofing?
mustn't she be spoofing?
mustn't we be spoofing?
mustn't you be spoofing?
mustn't they be spoofing? 	mustn't I have spoofed?
mustn't you have spoofed?
mustn't she have spoofed?
mustn't we have spoofed?
mustn't you have spoofed?
mustn't they have spoofed? 	mustn't I have been spoofing?
mustn't you have been spoofing?
mustn't she have been spoofing?
mustn't we have been spoofing?
mustn't you have been spoofing?
mustn't they have been spoofing?