English verb conjugation
COULD GOGGLE

Regular verb: goggle - goggled - goggled

Affirmation

Simple form	V-ing form
I could goggle you could goggle he could goggle we could goggle you could goggle they could goggle	I could be goggling you could be goggling he could be goggling we could be goggling you could be goggling they could be goggling
Perfect	V-ing perfect
I could have goggled you could have goggled he could have goggled we could have goggled you could have goggled they could have goggled	I could have been goggling you could have been goggling he could have been goggling we could have been goggling you could have been goggling they could have been goggling

Negation

Simple form	V-ing form
I could not goggle you could not goggle he could not goggle we could not goggle you could not goggle they could not goggle	I could not be goggling you could not be goggling he could not be goggling we could not be goggling you could not be goggling they could not be goggling
Perfect	V-ing perfect
I could not have goggled you could not have goggled he could not have goggled we could not have goggled you could not have goggled they could not have goggled	I could not have been goggling you could not have been goggling he could not have been goggling we could not have been goggling you could not have been goggling they could not have been goggling

Interrogative form

Simple form	V-ing form
could I goggle? could you goggle? could he goggle? could we goggle? could you goggle? could they goggle?	could I be goggling? could you be goggling? could he be goggling? could we be goggling? could you be goggling? could they be goggling?
Perfect	V-ing perfect
could I have goggled? could you have goggled? could he have goggled? could we have goggled? could you have goggled? could they have goggled?	could I have been goggling? could you have been goggling? could he have been goggling? could we have been goggling? could you have been goggling? could they have been goggling?

Interro-negative form

Simple form	V-ing form
could I not goggle? could you not goggle? could he not goggle? could we not goggle? could you not goggle? could they not goggle?	could I not be goggling? could you not be goggling? could he not be goggling? could we not be goggling? could you not be goggling? could they not be goggling?
Perfect	V-ing perfect
could I not have goggled? could you not have goggled? could he not have goggled? could we not have goggled? could you not have goggled? could they not have goggled?	could I not have been goggling? could you not have been goggling? could he not have been goggling? could we not have been goggling? could you not have been goggling? could they not have been goggling?