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 couldn't pustulate you couldn't pustulate he couldn't pustulate we couldn't pustulate you couldn't pustulate they couldn't pustulate	I couldn't be pustulating you couldn't be pustulating he couldn't be pustulating we couldn't be pustulating you couldn't be pustulating they couldn't be pustulating
Perfect	V-ing perfect
I couldn't have pustulated you couldn't have pustulated he couldn't have pustulated we couldn't have pustulated you couldn't have pustulated they couldn't have pustulated	I couldn't have been pustulating you couldn't have been pustulating he couldn't have been pustulating we couldn't have been pustulating you couldn't have been pustulating they couldn't 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
couldn't I pustulate? couldn't you pustulate? couldn't he pustulate? couldn't we pustulate? couldn't you pustulate? couldn't they pustulate?	couldn't I be pustulating? couldn't you be pustulating? couldn't he be pustulating? couldn't we be pustulating? couldn't you be pustulating? couldn't they be pustulating?
Perfect	V-ing perfect
couldn't I have pustulated? couldn't you have pustulated? couldn't he have pustulated? couldn't we have pustulated? couldn't you have pustulated? couldn't they have pustulated?	couldn't I have been pustulating? couldn't you have been pustulating? couldn't he have been pustulating? couldn't we have been pustulating? couldn't you have been pustulating? couldn't they have been pustulating?