I can debase you can debase he can debase we can debase you can debase they can debase
V-ing form
I can be debasing you can be debasing he can be debasing we can be debasing you can be debasing they can be debasing
Perfect
I can have debased you can have debased he can have debased we can have debased you can have debased they can have debased
V-ing perfect
I can have been debasing you can have been debasing he can have been debasing we can have been debasing you can have been debasing they can have been debasing
Negation
Simple form
I cannot debase you cannot debase he cannot debase we cannot debase you cannot debase they cannot debase
V-ing form
I cannot be debasing you cannot be debasing he cannot be debasing we cannot be debasing you cannot be debasing they cannot be debasing
Perfect
I cannot have debased you cannot have debased he cannot have debased we cannot have debased you cannot have debased they cannot have debased
V-ing perfect
I cannot have been debasing you cannot have been debasing he cannot have been debasing we cannot have been debasing you cannot have been debasing they cannot have been debasing
Interrogative form
Simple form
can I debase? can you debase? can he debase? can we debase? can you debase? can they debase?
V-ing form
can I be debasing? can you be debasing? can he be debasing? can we be debasing? can you be debasing? can they be debasing?
Perfect
can I have debased? can you have debased? can he have debased? can we have debased? can you have debased? can they have debased?
V-ing perfect
can I have been debasing? can you have been debasing? can he have been debasing? can we have been debasing? can you have been debasing? can they have been debasing?
Interro-negative form
Simple form
can I not debase? can you not debase? can he not debase? can we not debase? can you not debase? can they not debase?
V-ing form
can I not be debasing? can you not be debasing? can he not be debasing? can we not be debasing? can you not be debasing? can they not be debasing?
Perfect
can I not have debased? can you not have debased? can he not have debased? can we not have debased? can you not have debased? can they not have debased?
V-ing perfect
can I not have been debasing? can you not have been debasing? can he not have been debasing? can we not have been debasing? can you not have been debasing? can they not have been debasing?