I must procure you must procure he must procure we must procure you must procure they must procure
V-ing form
I must be procuring you must be procuring he must be procuring we must be procuring you must be procuring they must be procuring
Perfect
I must have procured you must have procured he must have procured we must have procured you must have procured they must have procured
V-ing perfect
I must have been procuring you must have been procuring he must have been procuring we must have been procuring you must have been procuring they must have been procuring
Negation
Simple form
I mustn't procure you mustn't procure he mustn't procure we mustn't procure you mustn't procure they mustn't procure
V-ing form
I mustn't be procuring you mustn't be procuring he mustn't be procuring we mustn't be procuring you mustn't be procuring they mustn't be procuring
Perfect
I mustn't have procured you mustn't have procured he mustn't have procured we mustn't have procured you mustn't have procured they mustn't have procured
V-ing perfect
I mustn't have been procuring you mustn't have been procuring he mustn't have been procuring we mustn't have been procuring you mustn't have been procuring they mustn't have been procuring
Interrogative form
Simple form
must I procure? must you procure? must he procure? must we procure? must you procure? must they procure?
V-ing form
must I be procuring? must you be procuring? must he be procuring? must we be procuring? must you be procuring? must they be procuring?
Perfect
must I have procured? must you have procured? must he have procured? must we have procured? must you have procured? must they have procured?
V-ing perfect
must I have been procuring? must you have been procuring? must he have been procuring? must we have been procuring? must you have been procuring? must they have been procuring?
Interro-negative form
Simple form
mustn't I procure? mustn't you procure? mustn't he procure? mustn't we procure? mustn't you procure? mustn't they procure?
V-ing form
mustn't I be procuring? mustn't you be procuring? mustn't he be procuring? mustn't we be procuring? mustn't you be procuring? mustn't they be procuring?
Perfect
mustn't I have procured? mustn't you have procured? mustn't he have procured? mustn't we have procured? mustn't you have procured? mustn't they have procured?
V-ing perfect
mustn't I have been procuring? mustn't you have been procuring? mustn't he have been procuring? mustn't we have been procuring? mustn't you have been procuring? mustn't they have been procuring?