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 couldn't goggle you couldn't goggle he couldn't goggle we couldn't goggle you couldn't goggle they couldn't goggle	I couldn't be goggling you couldn't be goggling he couldn't be goggling we couldn't be goggling you couldn't be goggling they couldn't be goggling
Perfect	V-ing perfect
I couldn't have goggled you couldn't have goggled he couldn't have goggled we couldn't have goggled you couldn't have goggled they couldn't have goggled	I couldn't have been goggling you couldn't have been goggling he couldn't have been goggling we couldn't have been goggling you couldn't have been goggling they couldn't 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
couldn't I goggle? couldn't you goggle? couldn't he goggle? couldn't we goggle? couldn't you goggle? couldn't they goggle?	couldn't I be goggling? couldn't you be goggling? couldn't he be goggling? couldn't we be goggling? couldn't you be goggling? couldn't they be goggling?
Perfect	V-ing perfect
couldn't I have goggled? couldn't you have goggled? couldn't he have goggled? couldn't we have goggled? couldn't you have goggled? couldn't they have goggled?	couldn't I have been goggling? couldn't you have been goggling? couldn't he have been goggling? couldn't we have been goggling? couldn't you have been goggling? couldn't they have been goggling?