must arrange
Regular verb: arrange - arranged- arranged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must arrange
you must arrange
he must arrange
we must arrange
you must arrange
they must arrange 	I must be arranging
you must be arranging
he must be arranging
we must be arranging
you must be arranging
they must be arranging	I must have arranged
you must have arranged
he must have arranged
we must have arranged
you must have arranged
they must have arranged	I must have been arranging
you must have been arranging
he must have been arranging
we must have been arranging
you must have been arranging
they must have been arranging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not arrange
you must not arrange
he must not arrange
we must not arrange
you must not arrange
they must not arrange 	I must not be arranging
you must not be arranging
he must not be arranging
we must not be arranging
you must not be arranging
they must not be arranging	I must not have arranged
you must not have arranged
he must not have arranged
we must not have arranged
you must not have arranged
they must not have arranged	I must not have been arranging
you must not have been arranging
he must not have been arranging
we must not have been arranging
you must not have been arranging
they must not have been arranging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I arrange?
must you arrange?
must he arrange?
must we arrange?
must you arrange?
must they arrange? 	must I be arranging?
must you be arranging?
must he be arranging?
must we be arranging?
must you be arranging?
must they be arranging? 	must I have arranged?
must you have arranged?
must he have arranged?
must we have arranged?
must you have arranged?
must they have arranged? 	must I have been arranging?
must you have been arranging?
must he have been arranging?
must we have been arranging?
must you have been arranging?
must they have been arranging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not arrange?
must you not arrange?
must he not arrange?
must we not arrange?
must you not arrange?
must they not arrange? 	must I not be arranging?
must you not be arranging?
must he not be arranging?
must we not be arranging?
must you not be arranging?
must they not be arranging? 	must I not have arranged?
must you not have arranged?
must he not have arranged?
must we not have arranged?
must you not have arranged?
must they not have arranged? 	must I not have been arranging?
must you not have been arranging?
must he not have been arranging?
must we not have been arranging?
must you not have been arranging?
must they not have been arranging?