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