must flannel
Verbo regular: flannel - flanneled- flanneled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must flannel
you must flannel
he must flannel
we must flannel
you must flannel
they must flannel 	I must be flanneling
you must be flanneling
he must be flanneling
we must be flanneling
you must be flanneling
they must be flanneling	I must have flanneled
you must have flanneled
he must have flanneled
we must have flanneled
you must have flanneled
they must have flanneled	I must have been flanneling
you must have been flanneling
he must have been flanneling
we must have been flanneling
you must have been flanneling
they must have been flanneling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not flannel
you must not flannel
he must not flannel
we must not flannel
you must not flannel
they must not flannel 	I must not be flanneling
you must not be flanneling
he must not be flanneling
we must not be flanneling
you must not be flanneling
they must not be flanneling	I must not have flanneled
you must not have flanneled
he must not have flanneled
we must not have flanneled
you must not have flanneled
they must not have flanneled	I must not have been flanneling
you must not have been flanneling
he must not have been flanneling
we must not have been flanneling
you must not have been flanneling
they must not have been flanneling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I flannel?
must you flannel?
must he flannel?
must we flannel?
must you flannel?
must they flannel? 	must I be flanneling?
must you be flanneling?
must he be flanneling?
must we be flanneling?
must you be flanneling?
must they be flanneling? 	must I have flanneled?
must you have flanneled?
must he have flanneled?
must we have flanneled?
must you have flanneled?
must they have flanneled? 	must I have been flanneling?
must you have been flanneling?
must he have been flanneling?
must we have been flanneling?
must you have been flanneling?
must they have been flanneling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not flannel?
must you not flannel?
must he not flannel?
must we not flannel?
must you not flannel?
must they not flannel? 	must I not be flanneling?
must you not be flanneling?
must he not be flanneling?
must we not be flanneling?
must you not be flanneling?
must they not be flanneling? 	must I not have flanneled?
must you not have flanneled?
must he not have flanneled?
must we not have flanneled?
must you not have flanneled?
must they not have flanneled? 	must I not have been flanneling?
must you not have been flanneling?
must he not have been flanneling?
must we not have been flanneling?
must you not have been flanneling?
must they not have been flanneling?