I could vilify you could vilify he could vilify we could vilify you could vilify they could vilify
V-ing form
I could be vilifying you could be vilifying he could be vilifying we could be vilifying you could be vilifying they could be vilifying
Perfect
I could have vilified you could have vilified he could have vilified we could have vilified you could have vilified they could have vilified
V-ing perfect
I could have been vilifying you could have been vilifying he could have been vilifying we could have been vilifying you could have been vilifying they could have been vilifying
Negation
Simple form
I could not vilify you could not vilify he could not vilify we could not vilify you could not vilify they could not vilify
V-ing form
I could not be vilifying you could not be vilifying he could not be vilifying we could not be vilifying you could not be vilifying they could not be vilifying
Perfect
I could not have vilified you could not have vilified he could not have vilified we could not have vilified you could not have vilified they could not have vilified
V-ing perfect
I could not have been vilifying you could not have been vilifying he could not have been vilifying we could not have been vilifying you could not have been vilifying they could not have been vilifying
Interrogative form
Simple form
could I vilify? could you vilify? could he vilify? could we vilify? could you vilify? could they vilify?
V-ing form
could I be vilifying? could you be vilifying? could he be vilifying? could we be vilifying? could you be vilifying? could they be vilifying?
Perfect
could I have vilified? could you have vilified? could he have vilified? could we have vilified? could you have vilified? could they have vilified?
V-ing perfect
could I have been vilifying? could you have been vilifying? could he have been vilifying? could we have been vilifying? could you have been vilifying? could they have been vilifying?
Interro-negative form
Simple form
could I not vilify? could you not vilify? could he not vilify? could we not vilify? could you not vilify? could they not vilify?
V-ing form
could I not be vilifying? could you not be vilifying? could he not be vilifying? could we not be vilifying? could you not be vilifying? could they not be vilifying?
Perfect
could I not have vilified? could you not have vilified? could he not have vilified? could we not have vilified? could you not have vilified? could they not have vilified?
V-ing perfect
could I not have been vilifying? could you not have been vilifying? could he not have been vilifying? could we not have been vilifying? could you not have been vilifying? could they not have been vilifying?