I can erode you can erode he can erode we can erode you can erode they can erode
V-ing form
I can be eroding you can be eroding he can be eroding we can be eroding you can be eroding they can be eroding
Perfect
I can have eroded you can have eroded he can have eroded we can have eroded you can have eroded they can have eroded
V-ing perfect
I can have been eroding you can have been eroding he can have been eroding we can have been eroding you can have been eroding they can have been eroding
Negation
Simple form
I can't erode you can't erode he can't erode we can't erode you can't erode they can't erode
V-ing form
I can't be eroding you can't be eroding he can't be eroding we can't be eroding you can't be eroding they can't be eroding
Perfect
I can't have eroded you can't have eroded he can't have eroded we can't have eroded you can't have eroded they can't have eroded
V-ing perfect
I can't have been eroding you can't have been eroding he can't have been eroding we can't have been eroding you can't have been eroding they can't have been eroding
Interrogative form
Simple form
can I erode? can you erode? can he erode? can we erode? can you erode? can they erode?
V-ing form
can I be eroding? can you be eroding? can he be eroding? can we be eroding? can you be eroding? can they be eroding?
Perfect
can I have eroded? can you have eroded? can he have eroded? can we have eroded? can you have eroded? can they have eroded?
V-ing perfect
can I have been eroding? can you have been eroding? can he have been eroding? can we have been eroding? can you have been eroding? can they have been eroding?
Interro-negative form
Simple form
can't I erode? can't you erode? can't he erode? can't we erode? can't you erode? can't they erode?
V-ing form
can't I be eroding? can't you be eroding? can't he be eroding? can't we be eroding? can't you be eroding? can't they be eroding?
Perfect
can't I have eroded? can't you have eroded? can't he have eroded? can't we have eroded? can't you have eroded? can't they have eroded?
V-ing perfect
can't I have been eroding? can't you have been eroding? can't he have been eroding? can't we have been eroding? can't you have been eroding? can't they have been eroding?