English verb conjugation
COULD GAGGLE

Regular verb: gaggle - gaggled - gaggled

Affirmation

Simple form	V-ing form
I could gaggle you could gaggle he could gaggle we could gaggle you could gaggle they could gaggle	I could be gaggling you could be gaggling he could be gaggling we could be gaggling you could be gaggling they could be gaggling
Perfect	V-ing perfect
I could have gaggled you could have gaggled he could have gaggled we could have gaggled you could have gaggled they could have gaggled	I could have been gaggling you could have been gaggling he could have been gaggling we could have been gaggling you could have been gaggling they could have been gaggling

Negation

Simple form	V-ing form
I could not gaggle you could not gaggle he could not gaggle we could not gaggle you could not gaggle they could not gaggle	I could not be gaggling you could not be gaggling he could not be gaggling we could not be gaggling you could not be gaggling they could not be gaggling
Perfect	V-ing perfect
I could not have gaggled you could not have gaggled he could not have gaggled we could not have gaggled you could not have gaggled they could not have gaggled	I could not have been gaggling you could not have been gaggling he could not have been gaggling we could not have been gaggling you could not have been gaggling they could not have been gaggling

Interrogative form

Simple form	V-ing form
could I gaggle? could you gaggle? could he gaggle? could we gaggle? could you gaggle? could they gaggle?	could I be gaggling? could you be gaggling? could he be gaggling? could we be gaggling? could you be gaggling? could they be gaggling?
Perfect	V-ing perfect
could I have gaggled? could you have gaggled? could he have gaggled? could we have gaggled? could you have gaggled? could they have gaggled?	could I have been gaggling? could you have been gaggling? could he have been gaggling? could we have been gaggling? could you have been gaggling? could they have been gaggling?

Interro-negative form

Simple form	V-ing form
could I not gaggle? could you not gaggle? could he not gaggle? could we not gaggle? could you not gaggle? could they not gaggle?	could I not be gaggling? could you not be gaggling? could he not be gaggling? could we not be gaggling? could you not be gaggling? could they not be gaggling?
Perfect	V-ing perfect
could I not have gaggled? could you not have gaggled? could he not have gaggled? could we not have gaggled? could you not have gaggled? could they not have gaggled?	could I not have been gaggling? could you not have been gaggling? could he not have been gaggling? could we not have been gaggling? could you not have been gaggling? could they not have been gaggling?