I can corrode you can corrode he can corrode we can corrode you can corrode they can corrode
V-ing form
I can be corroding you can be corroding he can be corroding we can be corroding you can be corroding they can be corroding
Perfect
I can have corroded you can have corroded he can have corroded we can have corroded you can have corroded they can have corroded
V-ing perfect
I can have been corroding you can have been corroding he can have been corroding we can have been corroding you can have been corroding they can have been corroding
Negation
Simple form
I can't corrode you can't corrode he can't corrode we can't corrode you can't corrode they can't corrode
V-ing form
I can't be corroding you can't be corroding he can't be corroding we can't be corroding you can't be corroding they can't be corroding
Perfect
I can't have corroded you can't have corroded he can't have corroded we can't have corroded you can't have corroded they can't have corroded
V-ing perfect
I can't have been corroding you can't have been corroding he can't have been corroding we can't have been corroding you can't have been corroding they can't have been corroding
Interrogative form
Simple form
can I corrode? can you corrode? can he corrode? can we corrode? can you corrode? can they corrode?
V-ing form
can I be corroding? can you be corroding? can he be corroding? can we be corroding? can you be corroding? can they be corroding?
Perfect
can I have corroded? can you have corroded? can he have corroded? can we have corroded? can you have corroded? can they have corroded?
V-ing perfect
can I have been corroding? can you have been corroding? can he have been corroding? can we have been corroding? can you have been corroding? can they have been corroding?
Interro-negative form
Simple form
can't I corrode? can't you corrode? can't he corrode? can't we corrode? can't you corrode? can't they corrode?
V-ing form
can't I be corroding? can't you be corroding? can't he be corroding? can't we be corroding? can't you be corroding? can't they be corroding?
Perfect
can't I have corroded? can't you have corroded? can't he have corroded? can't we have corroded? can't you have corroded? can't they have corroded?
V-ing perfect
can't I have been corroding? can't you have been corroding? can't he have been corroding? can't we have been corroding? can't you have been corroding? can't they have been corroding?