I can counterpetition you can counterpetition she can counterpetition we can counterpetition you can counterpetition they can counterpetition
V-ing form
I can be counterpetitioning you can be counterpetitioning she can be counterpetitioning we can be counterpetitioning you can be counterpetitioning they can be counterpetitioning
Perfect
I can have counterpetitioned you can have counterpetitioned she can have counterpetitioned we can have counterpetitioned you can have counterpetitioned they can have counterpetitioned
V-ing perfect
I can have been counterpetitioning you can have been counterpetitioning she can have been counterpetitioning we can have been counterpetitioning you can have been counterpetitioning they can have been counterpetitioning
Negation
Simple form
I cannot counterpetition you cannot counterpetition she cannot counterpetition we cannot counterpetition you cannot counterpetition they cannot counterpetition
V-ing form
I cannot be counterpetitioning you cannot be counterpetitioning she cannot be counterpetitioning we cannot be counterpetitioning you cannot be counterpetitioning they cannot be counterpetitioning
Perfect
I cannot have counterpetitioned you cannot have counterpetitioned she cannot have counterpetitioned we cannot have counterpetitioned you cannot have counterpetitioned they cannot have counterpetitioned
V-ing perfect
I cannot have been counterpetitioning you cannot have been counterpetitioning she cannot have been counterpetitioning we cannot have been counterpetitioning you cannot have been counterpetitioning they cannot have been counterpetitioning
Interrogative form
Simple form
can I counterpetition? can you counterpetition? can she counterpetition? can we counterpetition? can you counterpetition? can they counterpetition?
V-ing form
can I be counterpetitioning? can you be counterpetitioning? can she be counterpetitioning? can we be counterpetitioning? can you be counterpetitioning? can they be counterpetitioning?
Perfect
can I have counterpetitioned? can you have counterpetitioned? can she have counterpetitioned? can we have counterpetitioned? can you have counterpetitioned? can they have counterpetitioned?
V-ing perfect
can I have been counterpetitioning? can you have been counterpetitioning? can she have been counterpetitioning? can we have been counterpetitioning? can you have been counterpetitioning? can they have been counterpetitioning?
Interro-negative form
Simple form
can I not counterpetition? can you not counterpetition? can she not counterpetition? can we not counterpetition? can you not counterpetition? can they not counterpetition?
V-ing form
can I not be counterpetitioning? can you not be counterpetitioning? can she not be counterpetitioning? can we not be counterpetitioning? can you not be counterpetitioning? can they not be counterpetitioning?
Perfect
can I not have counterpetitioned? can you not have counterpetitioned? can she not have counterpetitioned? can we not have counterpetitioned? can you not have counterpetitioned? can they not have counterpetitioned?
V-ing perfect
can I not have been counterpetitioning? can you not have been counterpetitioning? can she not have been counterpetitioning? can we not have been counterpetitioning? can you not have been counterpetitioning? can they not have been counterpetitioning?