must excise
Regular verb: excise - excised- excised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must excise
you must excise
he must excise
we must excise
you must excise
they must excise 	I must be excising
you must be excising
he must be excising
we must be excising
you must be excising
they must be excising	I must have excised
you must have excised
he must have excised
we must have excised
you must have excised
they must have excised	I must have been excising
you must have been excising
he must have been excising
we must have been excising
you must have been excising
they must have been excising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't excise
you mustn't excise
he mustn't excise
we mustn't excise
you mustn't excise
they mustn't excise 	I mustn't be excising
you mustn't be excising
he mustn't be excising
we mustn't be excising
you mustn't be excising
they mustn't be excising	I mustn't have excised
you mustn't have excised
he mustn't have excised
we mustn't have excised
you mustn't have excised
they mustn't have excised	I mustn't have been excising
you mustn't have been excising
he mustn't have been excising
we mustn't have been excising
you mustn't have been excising
they mustn't have been excising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I excise?
must you excise?
must he excise?
must we excise?
must you excise?
must they excise? 	must I be excising?
must you be excising?
must he be excising?
must we be excising?
must you be excising?
must they be excising? 	must I have excised?
must you have excised?
must he have excised?
must we have excised?
must you have excised?
must they have excised? 	must I have been excising?
must you have been excising?
must he have been excising?
must we have been excising?
must you have been excising?
must they have been excising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I excise?
mustn't you excise?
mustn't he excise?
mustn't we excise?
mustn't you excise?
mustn't they excise? 	mustn't I be excising?
mustn't you be excising?
mustn't he be excising?
mustn't we be excising?
mustn't you be excising?
mustn't they be excising? 	mustn't I have excised?
mustn't you have excised?
mustn't he have excised?
mustn't we have excised?
mustn't you have excised?
mustn't they have excised? 	mustn't I have been excising?
mustn't you have been excising?
mustn't he have been excising?
mustn't we have been excising?
mustn't you have been excising?
mustn't they have been excising?