I can break you can break he can break we can break you can break they can break
V-ing form
I can be breaking you can be breaking he can be breaking we can be breaking you can be breaking they can be breaking
Perfect
I can have broken you can have broken he 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 he can have been breaking we can have been breaking you can have been breaking they can have been breaking
Negation
Simple form
I can't break you can't break he can't break we can't break you can't break they can't break
V-ing form
I can't be breaking you can't be breaking he can't be breaking we can't be breaking you can't be breaking they can't be breaking
Perfect
I can't have broken you can't have broken he can't have broken we can't have broken you can't have broken they can't have broken
V-ing perfect
I can't have been breaking you can't have been breaking he can't have been breaking we can't have been breaking you can't have been breaking they can't have been breaking
Interrogative form
Simple form
can I break? can you break? can he break? can we break? can you break? can they break?
V-ing form
can I be breaking? can you be breaking? can he be breaking? can we be breaking? can you be breaking? can they be breaking?
Perfect
can I have broken? can you have broken? can he 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 he have been breaking? can we have been breaking? can you have been breaking? can they have been breaking?
Interro-negative form
Simple form
can't I break? can't you break? can't he break? can't we break? can't you break? can't they break?
V-ing form
can't I be breaking? can't you be breaking? can't he be breaking? can't we be breaking? can't you be breaking? can't they be breaking?
Perfect
can't I have broken? can't you have broken? can't he have broken? can't we have broken? can't you have broken? can't they have broken?
V-ing perfect
can't I have been breaking? can't you have been breaking? can't he have been breaking? can't we have been breaking? can't you have been breaking? can't they have been breaking?