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