I can deaden you can deaden he can deaden we can deaden you can deaden they can deaden
V-ing form
I can be deadening you can be deadening he can be deadening we can be deadening you can be deadening they can be deadening
Perfect
I can have deadened you can have deadened he can have deadened we can have deadened you can have deadened they can have deadened
V-ing perfect
I can have been deadening you can have been deadening he can have been deadening we can have been deadening you can have been deadening they can have been deadening
Negation
Simple form
I cannot deaden you cannot deaden he cannot deaden we cannot deaden you cannot deaden they cannot deaden
V-ing form
I cannot be deadening you cannot be deadening he cannot be deadening we cannot be deadening you cannot be deadening they cannot be deadening
Perfect
I cannot have deadened you cannot have deadened he cannot have deadened we cannot have deadened you cannot have deadened they cannot have deadened
V-ing perfect
I cannot have been deadening you cannot have been deadening he cannot have been deadening we cannot have been deadening you cannot have been deadening they cannot have been deadening
Interrogative form
Simple form
can I deaden? can you deaden? can he deaden? can we deaden? can you deaden? can they deaden?
V-ing form
can I be deadening? can you be deadening? can he be deadening? can we be deadening? can you be deadening? can they be deadening?
Perfect
can I have deadened? can you have deadened? can he have deadened? can we have deadened? can you have deadened? can they have deadened?
V-ing perfect
can I have been deadening? can you have been deadening? can he have been deadening? can we have been deadening? can you have been deadening? can they have been deadening?
Interro-negative form
Simple form
can I not deaden? can you not deaden? can he not deaden? can we not deaden? can you not deaden? can they not deaden?
V-ing form
can I not be deadening? can you not be deadening? can he not be deadening? can we not be deadening? can you not be deadening? can they not be deadening?
Perfect
can I not have deadened? can you not have deadened? can he not have deadened? can we not have deadened? can you not have deadened? can they not have deadened?
V-ing perfect
can I not have been deadening? can you not have been deadening? can he not have been deadening? can we not have been deadening? can you not have been deadening? can they not have been deadening?