can mullion
Regular verb: mullion - mullioned- mullioned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can mullion
you can mullion
he can mullion
we can mullion
you can mullion
they can mullion 	I can be mullioning
you can be mullioning
he can be mullioning
we can be mullioning
you can be mullioning
they can be mullioning	I can have mullioned
you can have mullioned
he can have mullioned
we can have mullioned
you can have mullioned
they can have mullioned	I can have been mullioning
you can have been mullioning
he can have been mullioning
we can have been mullioning
you can have been mullioning
they can have been mullioning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't mullion
you can't mullion
he can't mullion
we can't mullion
you can't mullion
they can't mullion 	I can't be mullioning
you can't be mullioning
he can't be mullioning
we can't be mullioning
you can't be mullioning
they can't be mullioning	I can't have mullioned
you can't have mullioned
he can't have mullioned
we can't have mullioned
you can't have mullioned
they can't have mullioned	I can't have been mullioning
you can't have been mullioning
he can't have been mullioning
we can't have been mullioning
you can't have been mullioning
they can't have been mullioning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I mullion?
can you mullion?
can he mullion?
can we mullion?
can you mullion?
can they mullion? 	can I be mullioning?
can you be mullioning?
can he be mullioning?
can we be mullioning?
can you be mullioning?
can they be mullioning? 	can I have mullioned?
can you have mullioned?
can he have mullioned?
can we have mullioned?
can you have mullioned?
can they have mullioned? 	can I have been mullioning?
can you have been mullioning?
can he have been mullioning?
can we have been mullioning?
can you have been mullioning?
can they have been mullioning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I mullion?
can't you mullion?
can't he mullion?
can't we mullion?
can't you mullion?
can't they mullion? 	can't I be mullioning?
can't you be mullioning?
can't he be mullioning?
can't we be mullioning?
can't you be mullioning?
can't they be mullioning? 	can't I have mullioned?
can't you have mullioned?
can't he have mullioned?
can't we have mullioned?
can't you have mullioned?
can't they have mullioned? 	can't I have been mullioning?
can't you have been mullioning?
can't he have been mullioning?
can't we have been mullioning?
can't you have been mullioning?
can't they have been mullioning?