English verb conjugation
COULD PREPROGRAM

Regular verb: preprogram - preprogramed - preprogramed

Affirmation

Simple form	V-ing form
I could preprogram you could preprogram he could preprogram we could preprogram you could preprogram they could preprogram	I could be preprograming you could be preprograming he could be preprograming we could be preprograming you could be preprograming they could be preprograming
Perfect	V-ing perfect
I could have preprogramed you could have preprogramed he could have preprogramed we could have preprogramed you could have preprogramed they could have preprogramed	I could have been preprograming you could have been preprograming he could have been preprograming we could have been preprograming you could have been preprograming they could have been preprograming

Negation

Simple form	V-ing form
I could not preprogram you could not preprogram he could not preprogram we could not preprogram you could not preprogram they could not preprogram	I could not be preprograming you could not be preprograming he could not be preprograming we could not be preprograming you could not be preprograming they could not be preprograming
Perfect	V-ing perfect
I could not have preprogramed you could not have preprogramed he could not have preprogramed we could not have preprogramed you could not have preprogramed they could not have preprogramed	I could not have been preprograming you could not have been preprograming he could not have been preprograming we could not have been preprograming you could not have been preprograming they could not have been preprograming

Interrogative form

Simple form	V-ing form
could I preprogram? could you preprogram? could he preprogram? could we preprogram? could you preprogram? could they preprogram?	could I be preprograming? could you be preprograming? could he be preprograming? could we be preprograming? could you be preprograming? could they be preprograming?
Perfect	V-ing perfect
could I have preprogramed? could you have preprogramed? could he have preprogramed? could we have preprogramed? could you have preprogramed? could they have preprogramed?	could I have been preprograming? could you have been preprograming? could he have been preprograming? could we have been preprograming? could you have been preprograming? could they have been preprograming?

Interro-negative form

Simple form	V-ing form
could I not preprogram? could you not preprogram? could he not preprogram? could we not preprogram? could you not preprogram? could they not preprogram?	could I not be preprograming? could you not be preprograming? could he not be preprograming? could we not be preprograming? could you not be preprograming? could they not be preprograming?
Perfect	V-ing perfect
could I not have preprogramed? could you not have preprogramed? could he not have preprogramed? could we not have preprogramed? could you not have preprogramed? could they not have preprogramed?	could I not have been preprograming? could you not have been preprograming? could he not have been preprograming? could we not have been preprograming? could you not have been preprograming? could they not have been preprograming?