English verb conjugation
COULD GURGLE

Regular verb: gurgle - gurgled - gurgled

Affirmation

Simple form	V-ing form
I could gurgle you could gurgle he could gurgle we could gurgle you could gurgle they could gurgle	I could be gurgling you could be gurgling he could be gurgling we could be gurgling you could be gurgling they could be gurgling
Perfect	V-ing perfect
I could have gurgled you could have gurgled he could have gurgled we could have gurgled you could have gurgled they could have gurgled	I could have been gurgling you could have been gurgling he could have been gurgling we could have been gurgling you could have been gurgling they could have been gurgling

Negation

Simple form	V-ing form
I couldn't gurgle you couldn't gurgle he couldn't gurgle we couldn't gurgle you couldn't gurgle they couldn't gurgle	I couldn't be gurgling you couldn't be gurgling he couldn't be gurgling we couldn't be gurgling you couldn't be gurgling they couldn't be gurgling
Perfect	V-ing perfect
I couldn't have gurgled you couldn't have gurgled he couldn't have gurgled we couldn't have gurgled you couldn't have gurgled they couldn't have gurgled	I couldn't have been gurgling you couldn't have been gurgling he couldn't have been gurgling we couldn't have been gurgling you couldn't have been gurgling they couldn't have been gurgling

Interrogative form

Simple form	V-ing form
could I gurgle? could you gurgle? could he gurgle? could we gurgle? could you gurgle? could they gurgle?	could I be gurgling? could you be gurgling? could he be gurgling? could we be gurgling? could you be gurgling? could they be gurgling?
Perfect	V-ing perfect
could I have gurgled? could you have gurgled? could he have gurgled? could we have gurgled? could you have gurgled? could they have gurgled?	could I have been gurgling? could you have been gurgling? could he have been gurgling? could we have been gurgling? could you have been gurgling? could they have been gurgling?

Interro-negative form

Simple form	V-ing form
couldn't I gurgle? couldn't you gurgle? couldn't he gurgle? couldn't we gurgle? couldn't you gurgle? couldn't they gurgle?	couldn't I be gurgling? couldn't you be gurgling? couldn't he be gurgling? couldn't we be gurgling? couldn't you be gurgling? couldn't they be gurgling?
Perfect	V-ing perfect
couldn't I have gurgled? couldn't you have gurgled? couldn't he have gurgled? couldn't we have gurgled? couldn't you have gurgled? couldn't they have gurgled?	couldn't I have been gurgling? couldn't you have been gurgling? couldn't he have been gurgling? couldn't we have been gurgling? couldn't you have been gurgling? couldn't they have been gurgling?