English verb conjugation
COULD IMMORTALIZE

Regular verb: immortalize - immortalized - immortalized

Affirmation

Simple form	V-ing form
I could immortalize you could immortalize he could immortalize we could immortalize you could immortalize they could immortalize	I could be immortalizing you could be immortalizing he could be immortalizing we could be immortalizing you could be immortalizing they could be immortalizing
Perfect	V-ing perfect
I could have immortalized you could have immortalized he could have immortalized we could have immortalized you could have immortalized they could have immortalized	I could have been immortalizing you could have been immortalizing he could have been immortalizing we could have been immortalizing you could have been immortalizing they could have been immortalizing

Negation

Simple form	V-ing form
I couldn't immortalize you couldn't immortalize he couldn't immortalize we couldn't immortalize you couldn't immortalize they couldn't immortalize	I couldn't be immortalizing you couldn't be immortalizing he couldn't be immortalizing we couldn't be immortalizing you couldn't be immortalizing they couldn't be immortalizing
Perfect	V-ing perfect
I couldn't have immortalized you couldn't have immortalized he couldn't have immortalized we couldn't have immortalized you couldn't have immortalized they couldn't have immortalized	I couldn't have been immortalizing you couldn't have been immortalizing he couldn't have been immortalizing we couldn't have been immortalizing you couldn't have been immortalizing they couldn't have been immortalizing

Interrogative form

Simple form	V-ing form
could I immortalize? could you immortalize? could he immortalize? could we immortalize? could you immortalize? could they immortalize?	could I be immortalizing? could you be immortalizing? could he be immortalizing? could we be immortalizing? could you be immortalizing? could they be immortalizing?
Perfect	V-ing perfect
could I have immortalized? could you have immortalized? could he have immortalized? could we have immortalized? could you have immortalized? could they have immortalized?	could I have been immortalizing? could you have been immortalizing? could he have been immortalizing? could we have been immortalizing? could you have been immortalizing? could they have been immortalizing?

Interro-negative form

Simple form	V-ing form
couldn't I immortalize? couldn't you immortalize? couldn't he immortalize? couldn't we immortalize? couldn't you immortalize? couldn't they immortalize?	couldn't I be immortalizing? couldn't you be immortalizing? couldn't he be immortalizing? couldn't we be immortalizing? couldn't you be immortalizing? couldn't they be immortalizing?
Perfect	V-ing perfect
couldn't I have immortalized? couldn't you have immortalized? couldn't he have immortalized? couldn't we have immortalized? couldn't you have immortalized? couldn't they have immortalized?	couldn't I have been immortalizing? couldn't you have been immortalizing? couldn't he have been immortalizing? couldn't we have been immortalizing? couldn't you have been immortalizing? couldn't they have been immortalizing?