must partition
Regular verb: partition - partitioned- partitioned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must partition
you must partition
she must partition
we must partition
you must partition
they must partition 	I must be partitioning
you must be partitioning
she must be partitioning
we must be partitioning
you must be partitioning
they must be partitioning	I must have partitioned
you must have partitioned
she must have partitioned
we must have partitioned
you must have partitioned
they must have partitioned	I must have been partitioning
you must have been partitioning
she must have been partitioning
we must have been partitioning
you must have been partitioning
they must have been partitioning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't partition
you mustn't partition
she mustn't partition
we mustn't partition
you mustn't partition
they mustn't partition 	I mustn't be partitioning
you mustn't be partitioning
she mustn't be partitioning
we mustn't be partitioning
you mustn't be partitioning
they mustn't be partitioning	I mustn't have partitioned
you mustn't have partitioned
she mustn't have partitioned
we mustn't have partitioned
you mustn't have partitioned
they mustn't have partitioned	I mustn't have been partitioning
you mustn't have been partitioning
she mustn't have been partitioning
we mustn't have been partitioning
you mustn't have been partitioning
they mustn't have been partitioning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I partition?
must you partition?
must she partition?
must we partition?
must you partition?
must they partition? 	must I be partitioning?
must you be partitioning?
must she be partitioning?
must we be partitioning?
must you be partitioning?
must they be partitioning? 	must I have partitioned?
must you have partitioned?
must she have partitioned?
must we have partitioned?
must you have partitioned?
must they have partitioned? 	must I have been partitioning?
must you have been partitioning?
must she have been partitioning?
must we have been partitioning?
must you have been partitioning?
must they have been partitioning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I partition?
mustn't you partition?
mustn't she partition?
mustn't we partition?
mustn't you partition?
mustn't they partition? 	mustn't I be partitioning?
mustn't you be partitioning?
mustn't she be partitioning?
mustn't we be partitioning?
mustn't you be partitioning?
mustn't they be partitioning? 	mustn't I have partitioned?
mustn't you have partitioned?
mustn't she have partitioned?
mustn't we have partitioned?
mustn't you have partitioned?
mustn't they have partitioned? 	mustn't I have been partitioning?
mustn't you have been partitioning?
mustn't she have been partitioning?
mustn't we have been partitioning?
mustn't you have been partitioning?
mustn't they have been partitioning?