I can regiment you can regiment he can regiment we can regiment you can regiment they can regiment
V-ing form
I can be regimenting you can be regimenting he can be regimenting we can be regimenting you can be regimenting they can be regimenting
Perfect
I can have regimented you can have regimented he can have regimented we can have regimented you can have regimented they can have regimented
V-ing perfect
I can have been regimenting you can have been regimenting he can have been regimenting we can have been regimenting you can have been regimenting they can have been regimenting
Negation
Simple form
I cannot regiment you cannot regiment he cannot regiment we cannot regiment you cannot regiment they cannot regiment
V-ing form
I cannot be regimenting you cannot be regimenting he cannot be regimenting we cannot be regimenting you cannot be regimenting they cannot be regimenting
Perfect
I cannot have regimented you cannot have regimented he cannot have regimented we cannot have regimented you cannot have regimented they cannot have regimented
V-ing perfect
I cannot have been regimenting you cannot have been regimenting he cannot have been regimenting we cannot have been regimenting you cannot have been regimenting they cannot have been regimenting
Interrogative form
Simple form
can I regiment? can you regiment? can he regiment? can we regiment? can you regiment? can they regiment?
V-ing form
can I be regimenting? can you be regimenting? can he be regimenting? can we be regimenting? can you be regimenting? can they be regimenting?
Perfect
can I have regimented? can you have regimented? can he have regimented? can we have regimented? can you have regimented? can they have regimented?
V-ing perfect
can I have been regimenting? can you have been regimenting? can he have been regimenting? can we have been regimenting? can you have been regimenting? can they have been regimenting?
Interro-negative form
Simple form
can I not regiment? can you not regiment? can he not regiment? can we not regiment? can you not regiment? can they not regiment?
V-ing form
can I not be regimenting? can you not be regimenting? can he not be regimenting? can we not be regimenting? can you not be regimenting? can they not be regimenting?
Perfect
can I not have regimented? can you not have regimented? can he not have regimented? can we not have regimented? can you not have regimented? can they not have regimented?
V-ing perfect
can I not have been regimenting? can you not have been regimenting? can he not have been regimenting? can we not have been regimenting? can you not have been regimenting? can they not have been regimenting?