must flirt
Regular verb: flirt - flirted- flirted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must flirt
you must flirt
he must flirt
we must flirt
you must flirt
they must flirt 	I must be flirting
you must be flirting
he must be flirting
we must be flirting
you must be flirting
they must be flirting	I must have flirted
you must have flirted
he must have flirted
we must have flirted
you must have flirted
they must have flirted	I must have been flirting
you must have been flirting
he must have been flirting
we must have been flirting
you must have been flirting
they must have been flirting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not flirt
you must not flirt
he must not flirt
we must not flirt
you must not flirt
they must not flirt 	I must not be flirting
you must not be flirting
he must not be flirting
we must not be flirting
you must not be flirting
they must not be flirting	I must not have flirted
you must not have flirted
he must not have flirted
we must not have flirted
you must not have flirted
they must not have flirted	I must not have been flirting
you must not have been flirting
he must not have been flirting
we must not have been flirting
you must not have been flirting
they must not have been flirting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I flirt?
must you flirt?
must he flirt?
must we flirt?
must you flirt?
must they flirt? 	must I be flirting?
must you be flirting?
must he be flirting?
must we be flirting?
must you be flirting?
must they be flirting? 	must I have flirted?
must you have flirted?
must he have flirted?
must we have flirted?
must you have flirted?
must they have flirted? 	must I have been flirting?
must you have been flirting?
must he have been flirting?
must we have been flirting?
must you have been flirting?
must they have been flirting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not flirt?
must you not flirt?
must he not flirt?
must we not flirt?
must you not flirt?
must they not flirt? 	must I not be flirting?
must you not be flirting?
must he not be flirting?
must we not be flirting?
must you not be flirting?
must they not be flirting? 	must I not have flirted?
must you not have flirted?
must he not have flirted?
must we not have flirted?
must you not have flirted?
must they not have flirted? 	must I not have been flirting?
must you not have been flirting?
must he not have been flirting?
must we not have been flirting?
must you not have been flirting?
must they not have been flirting?