English verb conjugation
COULD PUSTULATE

Regular verb: pustulate - pustulated - pustulated

Affirmation

Simple form	V-ing form
I could pustulate you could pustulate he could pustulate we could pustulate you could pustulate they could pustulate	I could be pustulating you could be pustulating he could be pustulating we could be pustulating you could be pustulating they could be pustulating
Perfect	V-ing perfect
I could have pustulated you could have pustulated he could have pustulated we could have pustulated you could have pustulated they could have pustulated	I could have been pustulating you could have been pustulating he could have been pustulating we could have been pustulating you could have been pustulating they could have been pustulating

Negation

Simple form	V-ing form
I could not pustulate you could not pustulate he could not pustulate we could not pustulate you could not pustulate they could not pustulate	I could not be pustulating you could not be pustulating he could not be pustulating we could not be pustulating you could not be pustulating they could not be pustulating
Perfect	V-ing perfect
I could not have pustulated you could not have pustulated he could not have pustulated we could not have pustulated you could not have pustulated they could not have pustulated	I could not have been pustulating you could not have been pustulating he could not have been pustulating we could not have been pustulating you could not have been pustulating they could not have been pustulating

Interrogative form

Simple form	V-ing form
could I pustulate? could you pustulate? could he pustulate? could we pustulate? could you pustulate? could they pustulate?	could I be pustulating? could you be pustulating? could he be pustulating? could we be pustulating? could you be pustulating? could they be pustulating?
Perfect	V-ing perfect
could I have pustulated? could you have pustulated? could he have pustulated? could we have pustulated? could you have pustulated? could they have pustulated?	could I have been pustulating? could you have been pustulating? could he have been pustulating? could we have been pustulating? could you have been pustulating? could they have been pustulating?

Interro-negative form

Simple form	V-ing form
could I not pustulate? could you not pustulate? could he not pustulate? could we not pustulate? could you not pustulate? could they not pustulate?	could I not be pustulating? could you not be pustulating? could he not be pustulating? could we not be pustulating? could you not be pustulating? could they not be pustulating?
Perfect	V-ing perfect
could I not have pustulated? could you not have pustulated? could he not have pustulated? could we not have pustulated? could you not have pustulated? could they not have pustulated?	could I not have been pustulating? could you not have been pustulating? could he not have been pustulating? could we not have been pustulating? could you not have been pustulating? could they not have been pustulating?