must festoon
Regular verb: festoon - festooned- festooned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must festoon
you must festoon
he must festoon
we must festoon
you must festoon
they must festoon 	I must be festooning
you must be festooning
he must be festooning
we must be festooning
you must be festooning
they must be festooning	I must have festooned
you must have festooned
he must have festooned
we must have festooned
you must have festooned
they must have festooned	I must have been festooning
you must have been festooning
he must have been festooning
we must have been festooning
you must have been festooning
they must have been festooning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not festoon
you must not festoon
he must not festoon
we must not festoon
you must not festoon
they must not festoon 	I must not be festooning
you must not be festooning
he must not be festooning
we must not be festooning
you must not be festooning
they must not be festooning	I must not have festooned
you must not have festooned
he must not have festooned
we must not have festooned
you must not have festooned
they must not have festooned	I must not have been festooning
you must not have been festooning
he must not have been festooning
we must not have been festooning
you must not have been festooning
they must not have been festooning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I festoon?
must you festoon?
must he festoon?
must we festoon?
must you festoon?
must they festoon? 	must I be festooning?
must you be festooning?
must he be festooning?
must we be festooning?
must you be festooning?
must they be festooning? 	must I have festooned?
must you have festooned?
must he have festooned?
must we have festooned?
must you have festooned?
must they have festooned? 	must I have been festooning?
must you have been festooning?
must he have been festooning?
must we have been festooning?
must you have been festooning?
must they have been festooning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not festoon?
must you not festoon?
must he not festoon?
must we not festoon?
must you not festoon?
must they not festoon? 	must I not be festooning?
must you not be festooning?
must he not be festooning?
must we not be festooning?
must you not be festooning?
must they not be festooning? 	must I not have festooned?
must you not have festooned?
must he not have festooned?
must we not have festooned?
must you not have festooned?
must they not have festooned? 	must I not have been festooning?
must you not have been festooning?
must he not have been festooning?
must we not have been festooning?
must you not have been festooning?
must they not have been festooning?