English verb conjugation
COULD NASALIZE

Regular verb: nasalize - nasalized - nasalized

Affirmation

Simple form	V-ing form
I could nasalize you could nasalize he could nasalize we could nasalize you could nasalize they could nasalize	I could be nasalizing you could be nasalizing he could be nasalizing we could be nasalizing you could be nasalizing they could be nasalizing
Perfect	V-ing perfect
I could have nasalized you could have nasalized he could have nasalized we could have nasalized you could have nasalized they could have nasalized	I could have been nasalizing you could have been nasalizing he could have been nasalizing we could have been nasalizing you could have been nasalizing they could have been nasalizing

Negation

Simple form	V-ing form
I couldn't nasalize you couldn't nasalize he couldn't nasalize we couldn't nasalize you couldn't nasalize they couldn't nasalize	I couldn't be nasalizing you couldn't be nasalizing he couldn't be nasalizing we couldn't be nasalizing you couldn't be nasalizing they couldn't be nasalizing
Perfect	V-ing perfect
I couldn't have nasalized you couldn't have nasalized he couldn't have nasalized we couldn't have nasalized you couldn't have nasalized they couldn't have nasalized	I couldn't have been nasalizing you couldn't have been nasalizing he couldn't have been nasalizing we couldn't have been nasalizing you couldn't have been nasalizing they couldn't have been nasalizing

Interrogative form

Simple form	V-ing form
could I nasalize? could you nasalize? could he nasalize? could we nasalize? could you nasalize? could they nasalize?	could I be nasalizing? could you be nasalizing? could he be nasalizing? could we be nasalizing? could you be nasalizing? could they be nasalizing?
Perfect	V-ing perfect
could I have nasalized? could you have nasalized? could he have nasalized? could we have nasalized? could you have nasalized? could they have nasalized?	could I have been nasalizing? could you have been nasalizing? could he have been nasalizing? could we have been nasalizing? could you have been nasalizing? could they have been nasalizing?

Interro-negative form

Simple form	V-ing form
couldn't I nasalize? couldn't you nasalize? couldn't he nasalize? couldn't we nasalize? couldn't you nasalize? couldn't they nasalize?	couldn't I be nasalizing? couldn't you be nasalizing? couldn't he be nasalizing? couldn't we be nasalizing? couldn't you be nasalizing? couldn't they be nasalizing?
Perfect	V-ing perfect
couldn't I have nasalized? couldn't you have nasalized? couldn't he have nasalized? couldn't we have nasalized? couldn't you have nasalized? couldn't they have nasalized?	couldn't I have been nasalizing? couldn't you have been nasalizing? couldn't he have been nasalizing? couldn't we have been nasalizing? couldn't you have been nasalizing? couldn't they have been nasalizing?