English verb conjugation
COULD NATURALIZE

Regular verb: naturalize - naturalized - naturalized

Affirmation

Simple form	V-ing form
I could naturalize you could naturalize he could naturalize we could naturalize you could naturalize they could naturalize	I could be naturalizing you could be naturalizing he could be naturalizing we could be naturalizing you could be naturalizing they could be naturalizing
Perfect	V-ing perfect
I could have naturalized you could have naturalized he could have naturalized we could have naturalized you could have naturalized they could have naturalized	I could have been naturalizing you could have been naturalizing he could have been naturalizing we could have been naturalizing you could have been naturalizing they could have been naturalizing

Negation

Simple form	V-ing form
I could not naturalize you could not naturalize he could not naturalize we could not naturalize you could not naturalize they could not naturalize	I could not be naturalizing you could not be naturalizing he could not be naturalizing we could not be naturalizing you could not be naturalizing they could not be naturalizing
Perfect	V-ing perfect
I could not have naturalized you could not have naturalized he could not have naturalized we could not have naturalized you could not have naturalized they could not have naturalized	I could not have been naturalizing you could not have been naturalizing he could not have been naturalizing we could not have been naturalizing you could not have been naturalizing they could not have been naturalizing

Interrogative form

Simple form	V-ing form
could I naturalize? could you naturalize? could he naturalize? could we naturalize? could you naturalize? could they naturalize?	could I be naturalizing? could you be naturalizing? could he be naturalizing? could we be naturalizing? could you be naturalizing? could they be naturalizing?
Perfect	V-ing perfect
could I have naturalized? could you have naturalized? could he have naturalized? could we have naturalized? could you have naturalized? could they have naturalized?	could I have been naturalizing? could you have been naturalizing? could he have been naturalizing? could we have been naturalizing? could you have been naturalizing? could they have been naturalizing?

Interro-negative form

Simple form	V-ing form
could I not naturalize? could you not naturalize? could he not naturalize? could we not naturalize? could you not naturalize? could they not naturalize?	could I not be naturalizing? could you not be naturalizing? could he not be naturalizing? could we not be naturalizing? could you not be naturalizing? could they not be naturalizing?
Perfect	V-ing perfect
could I not have naturalized? could you not have naturalized? could he not have naturalized? could we not have naturalized? could you not have naturalized? could they not have naturalized?	could I not have been naturalizing? could you not have been naturalizing? could he not have been naturalizing? could we not have been naturalizing? could you not have been naturalizing? could they not have been naturalizing?