English verb conjugation
COULD RECALCULATE

Regular verb: recalculate - recalculated - recalculated

Affirmation

Simple form	V-ing form
I could recalculate you could recalculate she could recalculate we could recalculate you could recalculate they could recalculate	I could be recalculating you could be recalculating she could be recalculating we could be recalculating you could be recalculating they could be recalculating
Perfect	V-ing perfect
I could have recalculated you could have recalculated she could have recalculated we could have recalculated you could have recalculated they could have recalculated	I could have been recalculating you could have been recalculating she could have been recalculating we could have been recalculating you could have been recalculating they could have been recalculating

Negation

Simple form	V-ing form
I could not recalculate you could not recalculate she could not recalculate we could not recalculate you could not recalculate they could not recalculate	I could not be recalculating you could not be recalculating she could not be recalculating we could not be recalculating you could not be recalculating they could not be recalculating
Perfect	V-ing perfect
I could not have recalculated you could not have recalculated she could not have recalculated we could not have recalculated you could not have recalculated they could not have recalculated	I could not have been recalculating you could not have been recalculating she could not have been recalculating we could not have been recalculating you could not have been recalculating they could not have been recalculating

Interrogative form

Simple form	V-ing form
could I recalculate? could you recalculate? could she recalculate? could we recalculate? could you recalculate? could they recalculate?	could I be recalculating? could you be recalculating? could she be recalculating? could we be recalculating? could you be recalculating? could they be recalculating?
Perfect	V-ing perfect
could I have recalculated? could you have recalculated? could she have recalculated? could we have recalculated? could you have recalculated? could they have recalculated?	could I have been recalculating? could you have been recalculating? could she have been recalculating? could we have been recalculating? could you have been recalculating? could they have been recalculating?

Interro-negative form

Simple form	V-ing form
could I not recalculate? could you not recalculate? could she not recalculate? could we not recalculate? could you not recalculate? could they not recalculate?	could I not be recalculating? could you not be recalculating? could she not be recalculating? could we not be recalculating? could you not be recalculating? could they not be recalculating?
Perfect	V-ing perfect
could I not have recalculated? could you not have recalculated? could she not have recalculated? could we not have recalculated? could you not have recalculated? could they not have recalculated?	could I not have been recalculating? could you not have been recalculating? could she not have been recalculating? could we not have been recalculating? could you not have been recalculating? could they not have been recalculating?