I can discipline you can discipline she can discipline we can discipline you can discipline they can discipline
V-ing form
I can be disciplining you can be disciplining she can be disciplining we can be disciplining you can be disciplining they can be disciplining
Perfect
I can have disciplined you can have disciplined she can have disciplined we can have disciplined you can have disciplined they can have disciplined
V-ing perfect
I can have been disciplining you can have been disciplining she can have been disciplining we can have been disciplining you can have been disciplining they can have been disciplining
Negation
Simple form
I cannot discipline you cannot discipline she cannot discipline we cannot discipline you cannot discipline they cannot discipline
V-ing form
I cannot be disciplining you cannot be disciplining she cannot be disciplining we cannot be disciplining you cannot be disciplining they cannot be disciplining
Perfect
I cannot have disciplined you cannot have disciplined she cannot have disciplined we cannot have disciplined you cannot have disciplined they cannot have disciplined
V-ing perfect
I cannot have been disciplining you cannot have been disciplining she cannot have been disciplining we cannot have been disciplining you cannot have been disciplining they cannot have been disciplining
Interrogative form
Simple form
can I discipline? can you discipline? can she discipline? can we discipline? can you discipline? can they discipline?
V-ing form
can I be disciplining? can you be disciplining? can she be disciplining? can we be disciplining? can you be disciplining? can they be disciplining?
Perfect
can I have disciplined? can you have disciplined? can she have disciplined? can we have disciplined? can you have disciplined? can they have disciplined?
V-ing perfect
can I have been disciplining? can you have been disciplining? can she have been disciplining? can we have been disciplining? can you have been disciplining? can they have been disciplining?
Interro-negative form
Simple form
can I not discipline? can you not discipline? can she not discipline? can we not discipline? can you not discipline? can they not discipline?
V-ing form
can I not be disciplining? can you not be disciplining? can she not be disciplining? can we not be disciplining? can you not be disciplining? can they not be disciplining?
Perfect
can I not have disciplined? can you not have disciplined? can she not have disciplined? can we not have disciplined? can you not have disciplined? can they not have disciplined?
V-ing perfect
can I not have been disciplining? can you not have been disciplining? can she not have been disciplining? can we not have been disciplining? can you not have been disciplining? can they not have been disciplining?