I could memorialize you could memorialize she could memorialize we could memorialize you could memorialize they could memorialize
V-ing form
I could be memorializing you could be memorializing she could be memorializing we could be memorializing you could be memorializing they could be memorializing
Perfect
I could have memorialized you could have memorialized she could have memorialized we could have memorialized you could have memorialized they could have memorialized
V-ing perfect
I could have been memorializing you could have been memorializing she could have been memorializing we could have been memorializing you could have been memorializing they could have been memorializing
Negation
Simple form
I could not memorialize you could not memorialize she could not memorialize we could not memorialize you could not memorialize they could not memorialize
V-ing form
I could not be memorializing you could not be memorializing she could not be memorializing we could not be memorializing you could not be memorializing they could not be memorializing
Perfect
I could not have memorialized you could not have memorialized she could not have memorialized we could not have memorialized you could not have memorialized they could not have memorialized
V-ing perfect
I could not have been memorializing you could not have been memorializing she could not have been memorializing we could not have been memorializing you could not have been memorializing they could not have been memorializing
Interrogative form
Simple form
could I memorialize? could you memorialize? could she memorialize? could we memorialize? could you memorialize? could they memorialize?
V-ing form
could I be memorializing? could you be memorializing? could she be memorializing? could we be memorializing? could you be memorializing? could they be memorializing?
Perfect
could I have memorialized? could you have memorialized? could she have memorialized? could we have memorialized? could you have memorialized? could they have memorialized?
V-ing perfect
could I have been memorializing? could you have been memorializing? could she have been memorializing? could we have been memorializing? could you have been memorializing? could they have been memorializing?
Interro-negative form
Simple form
could I not memorialize? could you not memorialize? could she not memorialize? could we not memorialize? could you not memorialize? could they not memorialize?
V-ing form
could I not be memorializing? could you not be memorializing? could she not be memorializing? could we not be memorializing? could you not be memorializing? could they not be memorializing?
Perfect
could I not have memorialized? could you not have memorialized? could she not have memorialized? could we not have memorialized? could you not have memorialized? could they not have memorialized?
V-ing perfect
could I not have been memorializing? could you not have been memorializing? could she not have been memorializing? could we not have been memorializing? could you not have been memorializing? could they not have been memorializing?