English verb conjugation
COULD MEMORIALIZE

Regular verb: memorialize - memorialized - memorialized

Affirmation

Simple form	V-ing form
I could memorialize you could memorialize he could memorialize we could memorialize you could memorialize they could memorialize	I could be memorializing you could be memorializing he could be memorializing we could be memorializing you could be memorializing they could be memorializing
Perfect	V-ing perfect
I could have memorialized you could have memorialized he could have memorialized we could have memorialized you could have memorialized they could have memorialized	I could have been memorializing you could have been memorializing he could have been memorializing we could have been memorializing you could have been memorializing they could have been memorializing

Negation

Simple form	V-ing form
I couldn't memorialize you couldn't memorialize he couldn't memorialize we couldn't memorialize you couldn't memorialize they couldn't memorialize	I couldn't be memorializing you couldn't be memorializing he couldn't be memorializing we couldn't be memorializing you couldn't be memorializing they couldn't be memorializing
Perfect	V-ing perfect
I couldn't have memorialized you couldn't have memorialized he couldn't have memorialized we couldn't have memorialized you couldn't have memorialized they couldn't have memorialized	I couldn't have been memorializing you couldn't have been memorializing he couldn't have been memorializing we couldn't have been memorializing you couldn't have been memorializing they couldn't have been memorializing

Interrogative form

Simple form	V-ing form
could I memorialize? could you memorialize? could he memorialize? could we memorialize? could you memorialize? could they memorialize?	could I be memorializing? could you be memorializing? could he be memorializing? could we be memorializing? could you be memorializing? could they be memorializing?
Perfect	V-ing perfect
could I have memorialized? could you have memorialized? could he have memorialized? could we have memorialized? could you have memorialized? could they have memorialized?	could I have been memorializing? could you have been memorializing? could he have been memorializing? could we have been memorializing? could you have been memorializing? could they have been memorializing?

Interro-negative form

Simple form	V-ing form
couldn't I memorialize? couldn't you memorialize? couldn't he memorialize? couldn't we memorialize? couldn't you memorialize? couldn't they memorialize?	couldn't I be memorializing? couldn't you be memorializing? couldn't he be memorializing? couldn't we be memorializing? couldn't you be memorializing? couldn't they be memorializing?
Perfect	V-ing perfect
couldn't I have memorialized? couldn't you have memorialized? couldn't he have memorialized? couldn't we have memorialized? couldn't you have memorialized? couldn't they have memorialized?	couldn't I have been memorializing? couldn't you have been memorializing? couldn't he have been memorializing? couldn't we have been memorializing? couldn't you have been memorializing? couldn't they have been memorializing?