English verb conjugation
COULD EXTERNALIZE

Regular verb: externalize - externalized - externalized

Affirmation

Simple form	V-ing form
I could externalize you could externalize she could externalize we could externalize you could externalize they could externalize	I could be externalizing you could be externalizing she could be externalizing we could be externalizing you could be externalizing they could be externalizing
Perfect	V-ing perfect
I could have externalized you could have externalized she could have externalized we could have externalized you could have externalized they could have externalized	I could have been externalizing you could have been externalizing she could have been externalizing we could have been externalizing you could have been externalizing they could have been externalizing

Negation

Simple form	V-ing form
I could not externalize you could not externalize she could not externalize we could not externalize you could not externalize they could not externalize	I could not be externalizing you could not be externalizing she could not be externalizing we could not be externalizing you could not be externalizing they could not be externalizing
Perfect	V-ing perfect
I could not have externalized you could not have externalized she could not have externalized we could not have externalized you could not have externalized they could not have externalized	I could not have been externalizing you could not have been externalizing she could not have been externalizing we could not have been externalizing you could not have been externalizing they could not have been externalizing

Interrogative form

Simple form	V-ing form
could I externalize? could you externalize? could she externalize? could we externalize? could you externalize? could they externalize?	could I be externalizing? could you be externalizing? could she be externalizing? could we be externalizing? could you be externalizing? could they be externalizing?
Perfect	V-ing perfect
could I have externalized? could you have externalized? could she have externalized? could we have externalized? could you have externalized? could they have externalized?	could I have been externalizing? could you have been externalizing? could she have been externalizing? could we have been externalizing? could you have been externalizing? could they have been externalizing?

Interro-negative form

Simple form	V-ing form
could I not externalize? could you not externalize? could she not externalize? could we not externalize? could you not externalize? could they not externalize?	could I not be externalizing? could you not be externalizing? could she not be externalizing? could we not be externalizing? could you not be externalizing? could they not be externalizing?
Perfect	V-ing perfect
could I not have externalized? could you not have externalized? could she not have externalized? could we not have externalized? could you not have externalized? could they not have externalized?	could I not have been externalizing? could you not have been externalizing? could she not have been externalizing? could we not have been externalizing? could you not have been externalizing? could they not have been externalizing?