I can communize you can communize he can communize we can communize you can communize they can communize
V-ing form
I can be communizing you can be communizing he can be communizing we can be communizing you can be communizing they can be communizing
Perfect
I can have communized you can have communized he can have communized we can have communized you can have communized they can have communized
V-ing perfect
I can have been communizing you can have been communizing he can have been communizing we can have been communizing you can have been communizing they can have been communizing
Negation
Simple form
I cannot communize you cannot communize he cannot communize we cannot communize you cannot communize they cannot communize
V-ing form
I cannot be communizing you cannot be communizing he cannot be communizing we cannot be communizing you cannot be communizing they cannot be communizing
Perfect
I cannot have communized you cannot have communized he cannot have communized we cannot have communized you cannot have communized they cannot have communized
V-ing perfect
I cannot have been communizing you cannot have been communizing he cannot have been communizing we cannot have been communizing you cannot have been communizing they cannot have been communizing
Interrogative form
Simple form
can I communize? can you communize? can he communize? can we communize? can you communize? can they communize?
V-ing form
can I be communizing? can you be communizing? can he be communizing? can we be communizing? can you be communizing? can they be communizing?
Perfect
can I have communized? can you have communized? can he have communized? can we have communized? can you have communized? can they have communized?
V-ing perfect
can I have been communizing? can you have been communizing? can he have been communizing? can we have been communizing? can you have been communizing? can they have been communizing?
Interro-negative form
Simple form
can I not communize? can you not communize? can he not communize? can we not communize? can you not communize? can they not communize?
V-ing form
can I not be communizing? can you not be communizing? can he not be communizing? can we not be communizing? can you not be communizing? can they not be communizing?
Perfect
can I not have communized? can you not have communized? can he not have communized? can we not have communized? can you not have communized? can they not have communized?
V-ing perfect
can I not have been communizing? can you not have been communizing? can he not have been communizing? can we not have been communizing? can you not have been communizing? can they not have been communizing?