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 cannot blitz you cannot blitz he cannot blitz we cannot blitz you cannot blitz they cannot blitz
V-ing form
I cannot be blitzing you cannot be blitzing he cannot be blitzing we cannot be blitzing you cannot be blitzing they cannot be blitzing
Perfect
I cannot have blitzed you cannot have blitzed he cannot have blitzed we cannot have blitzed you cannot have blitzed they cannot have blitzed
V-ing perfect
I cannot have been blitzing you cannot have been blitzing he cannot have been blitzing we cannot have been blitzing you cannot have been blitzing they cannot 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 I not blitz? can you not blitz? can he not blitz? can we not blitz? can you not blitz? can they not blitz?
V-ing form
can I not be blitzing? can you not be blitzing? can he not be blitzing? can we not be blitzing? can you not be blitzing? can they not be blitzing?
Perfect
can I not have blitzed? can you not have blitzed? can he not have blitzed? can we not have blitzed? can you not have blitzed? can they not have blitzed?
V-ing perfect
can I not have been blitzing? can you not have been blitzing? can he not have been blitzing? can we not have been blitzing? can you not have been blitzing? can they not have been blitzing?