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 can't communize you can't communize he can't communize we can't communize you can't communize they can't communize
V-ing form
I can't be communizing you can't be communizing he can't be communizing we can't be communizing you can't be communizing they can't be communizing
Perfect
I can't have communized you can't have communized he can't have communized we can't have communized you can't have communized they can't have communized
V-ing perfect
I can't have been communizing you can't have been communizing he can't have been communizing we can't have been communizing you can't have been communizing they can't 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't I communize? can't you communize? can't he communize? can't we communize? can't you communize? can't they communize?
V-ing form
can't I be communizing? can't you be communizing? can't he be communizing? can't we be communizing? can't you be communizing? can't they be communizing?
Perfect
can't I have communized? can't you have communized? can't he have communized? can't we have communized? can't you have communized? can't they have communized?
V-ing perfect
can't I have been communizing? can't you have been communizing? can't he have been communizing? can't we have been communizing? can't you have been communizing? can't they have been communizing?