English verb conjugation
COULD SUPERCALENDER

Regular verb: supercalender - supercalendered - supercalendered

Affirmation

Simple form	V-ing form
I could supercalender you could supercalender he could supercalender we could supercalender you could supercalender they could supercalender	I could be supercalendering you could be supercalendering he could be supercalendering we could be supercalendering you could be supercalendering they could be supercalendering
Perfect	V-ing perfect
I could have supercalendered you could have supercalendered he could have supercalendered we could have supercalendered you could have supercalendered they could have supercalendered	I could have been supercalendering you could have been supercalendering he could have been supercalendering we could have been supercalendering you could have been supercalendering they could have been supercalendering

Negation

Simple form	V-ing form
I could not supercalender you could not supercalender he could not supercalender we could not supercalender you could not supercalender they could not supercalender	I could not be supercalendering you could not be supercalendering he could not be supercalendering we could not be supercalendering you could not be supercalendering they could not be supercalendering
Perfect	V-ing perfect
I could not have supercalendered you could not have supercalendered he could not have supercalendered we could not have supercalendered you could not have supercalendered they could not have supercalendered	I could not have been supercalendering you could not have been supercalendering he could not have been supercalendering we could not have been supercalendering you could not have been supercalendering they could not have been supercalendering

Interrogative form

Simple form	V-ing form
could I supercalender? could you supercalender? could he supercalender? could we supercalender? could you supercalender? could they supercalender?	could I be supercalendering? could you be supercalendering? could he be supercalendering? could we be supercalendering? could you be supercalendering? could they be supercalendering?
Perfect	V-ing perfect
could I have supercalendered? could you have supercalendered? could he have supercalendered? could we have supercalendered? could you have supercalendered? could they have supercalendered?	could I have been supercalendering? could you have been supercalendering? could he have been supercalendering? could we have been supercalendering? could you have been supercalendering? could they have been supercalendering?

Interro-negative form

Simple form	V-ing form
could I not supercalender? could you not supercalender? could he not supercalender? could we not supercalender? could you not supercalender? could they not supercalender?	could I not be supercalendering? could you not be supercalendering? could he not be supercalendering? could we not be supercalendering? could you not be supercalendering? could they not be supercalendering?
Perfect	V-ing perfect
could I not have supercalendered? could you not have supercalendered? could he not have supercalendered? could we not have supercalendered? could you not have supercalendered? could they not have supercalendered?	could I not have been supercalendering? could you not have been supercalendering? could he not have been supercalendering? could we not have been supercalendering? could you not have been supercalendering? could they not have been supercalendering?