English verb conjugation
COULD GUGGLE

Regular verb: guggle - guggled - guggled

Affirmation

Simple form	V-ing form
I could guggle you could guggle he could guggle we could guggle you could guggle they could guggle	I could be guggling you could be guggling he could be guggling we could be guggling you could be guggling they could be guggling
Perfect	V-ing perfect
I could have guggled you could have guggled he could have guggled we could have guggled you could have guggled they could have guggled	I could have been guggling you could have been guggling he could have been guggling we could have been guggling you could have been guggling they could have been guggling

Negation

Simple form	V-ing form
I could not guggle you could not guggle he could not guggle we could not guggle you could not guggle they could not guggle	I could not be guggling you could not be guggling he could not be guggling we could not be guggling you could not be guggling they could not be guggling
Perfect	V-ing perfect
I could not have guggled you could not have guggled he could not have guggled we could not have guggled you could not have guggled they could not have guggled	I could not have been guggling you could not have been guggling he could not have been guggling we could not have been guggling you could not have been guggling they could not have been guggling

Interrogative form

Simple form	V-ing form
could I guggle? could you guggle? could he guggle? could we guggle? could you guggle? could they guggle?	could I be guggling? could you be guggling? could he be guggling? could we be guggling? could you be guggling? could they be guggling?
Perfect	V-ing perfect
could I have guggled? could you have guggled? could he have guggled? could we have guggled? could you have guggled? could they have guggled?	could I have been guggling? could you have been guggling? could he have been guggling? could we have been guggling? could you have been guggling? could they have been guggling?

Interro-negative form

Simple form	V-ing form
could I not guggle? could you not guggle? could he not guggle? could we not guggle? could you not guggle? could they not guggle?	could I not be guggling? could you not be guggling? could he not be guggling? could we not be guggling? could you not be guggling? could they not be guggling?
Perfect	V-ing perfect
could I not have guggled? could you not have guggled? could he not have guggled? could we not have guggled? could you not have guggled? could they not have guggled?	could I not have been guggling? could you not have been guggling? could he not have been guggling? could we not have been guggling? could you not have been guggling? could they not have been guggling?