I could colonialize you could colonialize he could colonialize we could colonialize you could colonialize they could colonialize
V-ing form
I could be colonializing you could be colonializing he could be colonializing we could be colonializing you could be colonializing they could be colonializing
Perfect
I could have colonialized you could have colonialized he could have colonialized we could have colonialized you could have colonialized they could have colonialized
V-ing perfect
I could have been colonializing you could have been colonializing he could have been colonializing we could have been colonializing you could have been colonializing they could have been colonializing
Negation
Simple form
I could not colonialize you could not colonialize he could not colonialize we could not colonialize you could not colonialize they could not colonialize
V-ing form
I could not be colonializing you could not be colonializing he could not be colonializing we could not be colonializing you could not be colonializing they could not be colonializing
Perfect
I could not have colonialized you could not have colonialized he could not have colonialized we could not have colonialized you could not have colonialized they could not have colonialized
V-ing perfect
I could not have been colonializing you could not have been colonializing he could not have been colonializing we could not have been colonializing you could not have been colonializing they could not have been colonializing
Interrogative form
Simple form
could I colonialize? could you colonialize? could he colonialize? could we colonialize? could you colonialize? could they colonialize?
V-ing form
could I be colonializing? could you be colonializing? could he be colonializing? could we be colonializing? could you be colonializing? could they be colonializing?
Perfect
could I have colonialized? could you have colonialized? could he have colonialized? could we have colonialized? could you have colonialized? could they have colonialized?
V-ing perfect
could I have been colonializing? could you have been colonializing? could he have been colonializing? could we have been colonializing? could you have been colonializing? could they have been colonializing?
Interro-negative form
Simple form
could I not colonialize? could you not colonialize? could he not colonialize? could we not colonialize? could you not colonialize? could they not colonialize?
V-ing form
could I not be colonializing? could you not be colonializing? could he not be colonializing? could we not be colonializing? could you not be colonializing? could they not be colonializing?
Perfect
could I not have colonialized? could you not have colonialized? could he not have colonialized? could we not have colonialized? could you not have colonialized? could they not have colonialized?
V-ing perfect
could I not have been colonializing? could you not have been colonializing? could he not have been colonializing? could we not have been colonializing? could you not have been colonializing? could they not have been colonializing?