I can break you can break she can break we can break you can break they can break
V-ing form
I can be breaking you can be breaking she can be breaking we can be breaking you can be breaking they can be breaking
Perfect
I can have broken you can have broken she can have broken we can have broken you can have broken they can have broken
V-ing perfect
I can have been breaking you can have been breaking she can have been breaking we can have been breaking you can have been breaking they can have been breaking
Negation
Simple form
I cannot break you cannot break she cannot break we cannot break you cannot break they cannot break
V-ing form
I cannot be breaking you cannot be breaking she cannot be breaking we cannot be breaking you cannot be breaking they cannot be breaking
Perfect
I cannot have broken you cannot have broken she cannot have broken we cannot have broken you cannot have broken they cannot have broken
V-ing perfect
I cannot have been breaking you cannot have been breaking she cannot have been breaking we cannot have been breaking you cannot have been breaking they cannot have been breaking
Interrogative form
Simple form
can I break? can you break? can she break? can we break? can you break? can they break?
V-ing form
can I be breaking? can you be breaking? can she be breaking? can we be breaking? can you be breaking? can they be breaking?
Perfect
can I have broken? can you have broken? can she have broken? can we have broken? can you have broken? can they have broken?
V-ing perfect
can I have been breaking? can you have been breaking? can she have been breaking? can we have been breaking? can you have been breaking? can they have been breaking?
Interro-negative form
Simple form
can I not break? can you not break? can she not break? can we not break? can you not break? can they not break?
V-ing form
can I not be breaking? can you not be breaking? can she not be breaking? can we not be breaking? can you not be breaking? can they not be breaking?
Perfect
can I not have broken? can you not have broken? can she not have broken? can we not have broken? can you not have broken? can they not have broken?
V-ing perfect
can I not have been breaking? can you not have been breaking? can she not have been breaking? can we not have been breaking? can you not have been breaking? can they not have been breaking?