English verb conjugation
COULD DEMODULATE

Regular verb: demodulate - demodulated - demodulated

Affirmation

Simple form	V-ing form
I could demodulate you could demodulate he could demodulate we could demodulate you could demodulate they could demodulate	I could be demodulating you could be demodulating he could be demodulating we could be demodulating you could be demodulating they could be demodulating
Perfect	V-ing perfect
I could have demodulated you could have demodulated he could have demodulated we could have demodulated you could have demodulated they could have demodulated	I could have been demodulating you could have been demodulating he could have been demodulating we could have been demodulating you could have been demodulating they could have been demodulating

Negation

Simple form	V-ing form
I could not demodulate you could not demodulate he could not demodulate we could not demodulate you could not demodulate they could not demodulate	I could not be demodulating you could not be demodulating he could not be demodulating we could not be demodulating you could not be demodulating they could not be demodulating
Perfect	V-ing perfect
I could not have demodulated you could not have demodulated he could not have demodulated we could not have demodulated you could not have demodulated they could not have demodulated	I could not have been demodulating you could not have been demodulating he could not have been demodulating we could not have been demodulating you could not have been demodulating they could not have been demodulating

Interrogative form

Simple form	V-ing form
could I demodulate? could you demodulate? could he demodulate? could we demodulate? could you demodulate? could they demodulate?	could I be demodulating? could you be demodulating? could he be demodulating? could we be demodulating? could you be demodulating? could they be demodulating?
Perfect	V-ing perfect
could I have demodulated? could you have demodulated? could he have demodulated? could we have demodulated? could you have demodulated? could they have demodulated?	could I have been demodulating? could you have been demodulating? could he have been demodulating? could we have been demodulating? could you have been demodulating? could they have been demodulating?

Interro-negative form

Simple form	V-ing form
could I not demodulate? could you not demodulate? could he not demodulate? could we not demodulate? could you not demodulate? could they not demodulate?	could I not be demodulating? could you not be demodulating? could he not be demodulating? could we not be demodulating? could you not be demodulating? could they not be demodulating?
Perfect	V-ing perfect
could I not have demodulated? could you not have demodulated? could he not have demodulated? could we not have demodulated? could you not have demodulated? could they not have demodulated?	could I not have been demodulating? could you not have been demodulating? could he not have been demodulating? could we not have been demodulating? could you not have been demodulating? could they not have been demodulating?