I can account you can account he can account we can account you can account they can account
V-ing form
I can be accounting you can be accounting he can be accounting we can be accounting you can be accounting they can be accounting
Perfect
I can have accounted you can have accounted he can have accounted we can have accounted you can have accounted they can have accounted
V-ing perfect
I can have been accounting you can have been accounting he can have been accounting we can have been accounting you can have been accounting they can have been accounting
Negation
Simple form
I cannot account you cannot account he cannot account we cannot account you cannot account they cannot account
V-ing form
I cannot be accounting you cannot be accounting he cannot be accounting we cannot be accounting you cannot be accounting they cannot be accounting
Perfect
I cannot have accounted you cannot have accounted he cannot have accounted we cannot have accounted you cannot have accounted they cannot have accounted
V-ing perfect
I cannot have been accounting you cannot have been accounting he cannot have been accounting we cannot have been accounting you cannot have been accounting they cannot have been accounting
Interrogative form
Simple form
can I account? can you account? can he account? can we account? can you account? can they account?
V-ing form
can I be accounting? can you be accounting? can he be accounting? can we be accounting? can you be accounting? can they be accounting?
Perfect
can I have accounted? can you have accounted? can he have accounted? can we have accounted? can you have accounted? can they have accounted?
V-ing perfect
can I have been accounting? can you have been accounting? can he have been accounting? can we have been accounting? can you have been accounting? can they have been accounting?
Interro-negative form
Simple form
can I not account? can you not account? can he not account? can we not account? can you not account? can they not account?
V-ing form
can I not be accounting? can you not be accounting? can he not be accounting? can we not be accounting? can you not be accounting? can they not be accounting?
Perfect
can I not have accounted? can you not have accounted? can he not have accounted? can we not have accounted? can you not have accounted? can they not have accounted?
V-ing perfect
can I not have been accounting? can you not have been accounting? can he not have been accounting? can we not have been accounting? can you not have been accounting? can they not have been accounting?