English verb conjugation
COULD FORMALIZE

Regular verb: formalize - formalized - formalized

Affirmation

Simple form	V-ing form
I could formalize you could formalize he could formalize we could formalize you could formalize they could formalize	I could be formalizing you could be formalizing he could be formalizing we could be formalizing you could be formalizing they could be formalizing
Perfect	V-ing perfect
I could have formalized you could have formalized he could have formalized we could have formalized you could have formalized they could have formalized	I could have been formalizing you could have been formalizing he could have been formalizing we could have been formalizing you could have been formalizing they could have been formalizing

Negation

Simple form	V-ing form
I could not formalize you could not formalize he could not formalize we could not formalize you could not formalize they could not formalize	I could not be formalizing you could not be formalizing he could not be formalizing we could not be formalizing you could not be formalizing they could not be formalizing
Perfect	V-ing perfect
I could not have formalized you could not have formalized he could not have formalized we could not have formalized you could not have formalized they could not have formalized	I could not have been formalizing you could not have been formalizing he could not have been formalizing we could not have been formalizing you could not have been formalizing they could not have been formalizing

Interrogative form

Simple form	V-ing form
could I formalize? could you formalize? could he formalize? could we formalize? could you formalize? could they formalize?	could I be formalizing? could you be formalizing? could he be formalizing? could we be formalizing? could you be formalizing? could they be formalizing?
Perfect	V-ing perfect
could I have formalized? could you have formalized? could he have formalized? could we have formalized? could you have formalized? could they have formalized?	could I have been formalizing? could you have been formalizing? could he have been formalizing? could we have been formalizing? could you have been formalizing? could they have been formalizing?

Interro-negative form

Simple form	V-ing form
could I not formalize? could you not formalize? could he not formalize? could we not formalize? could you not formalize? could they not formalize?	could I not be formalizing? could you not be formalizing? could he not be formalizing? could we not be formalizing? could you not be formalizing? could they not be formalizing?
Perfect	V-ing perfect
could I not have formalized? could you not have formalized? could he not have formalized? could we not have formalized? could you not have formalized? could they not have formalized?	could I not have been formalizing? could you not have been formalizing? could he not have been formalizing? could we not have been formalizing? could you not have been formalizing? could they not have been formalizing?