I can blitz you can blitz he can blitz we can blitz you can blitz they can blitz
V-ing form
I can be blitzing you can be blitzing he can be blitzing we can be blitzing you can be blitzing they can be blitzing
Perfect
I can have blitzed you can have blitzed he can have blitzed we can have blitzed you can have blitzed they can have blitzed
V-ing perfect
I can have been blitzing you can have been blitzing he can have been blitzing we can have been blitzing you can have been blitzing they can have been blitzing
Negation
Simple form
I can't blitz you can't blitz he can't blitz we can't blitz you can't blitz they can't blitz
V-ing form
I can't be blitzing you can't be blitzing he can't be blitzing we can't be blitzing you can't be blitzing they can't be blitzing
Perfect
I can't have blitzed you can't have blitzed he can't have blitzed we can't have blitzed you can't have blitzed they can't have blitzed
V-ing perfect
I can't have been blitzing you can't have been blitzing he can't have been blitzing we can't have been blitzing you can't have been blitzing they can't have been blitzing
Interrogative form
Simple form
can I blitz? can you blitz? can he blitz? can we blitz? can you blitz? can they blitz?
V-ing form
can I be blitzing? can you be blitzing? can he be blitzing? can we be blitzing? can you be blitzing? can they be blitzing?
Perfect
can I have blitzed? can you have blitzed? can he have blitzed? can we have blitzed? can you have blitzed? can they have blitzed?
V-ing perfect
can I have been blitzing? can you have been blitzing? can he have been blitzing? can we have been blitzing? can you have been blitzing? can they have been blitzing?
Interro-negative form
Simple form
can't I blitz? can't you blitz? can't he blitz? can't we blitz? can't you blitz? can't they blitz?
V-ing form
can't I be blitzing? can't you be blitzing? can't he be blitzing? can't we be blitzing? can't you be blitzing? can't they be blitzing?
Perfect
can't I have blitzed? can't you have blitzed? can't he have blitzed? can't we have blitzed? can't you have blitzed? can't they have blitzed?
V-ing perfect
can't I have been blitzing? can't you have been blitzing? can't he have been blitzing? can't we have been blitzing? can't you have been blitzing? can't they have been blitzing?