English verb conjugation
COULD JUGGLE

Regular verb: juggle - juggled - juggled

Affirmation

Simple form	V-ing form
I could juggle you could juggle he could juggle we could juggle you could juggle they could juggle	I could be juggling you could be juggling he could be juggling we could be juggling you could be juggling they could be juggling
Perfect	V-ing perfect
I could have juggled you could have juggled he could have juggled we could have juggled you could have juggled they could have juggled	I could have been juggling you could have been juggling he could have been juggling we could have been juggling you could have been juggling they could have been juggling

Negation

Simple form	V-ing form
I couldn't juggle you couldn't juggle he couldn't juggle we couldn't juggle you couldn't juggle they couldn't juggle	I couldn't be juggling you couldn't be juggling he couldn't be juggling we couldn't be juggling you couldn't be juggling they couldn't be juggling
Perfect	V-ing perfect
I couldn't have juggled you couldn't have juggled he couldn't have juggled we couldn't have juggled you couldn't have juggled they couldn't have juggled	I couldn't have been juggling you couldn't have been juggling he couldn't have been juggling we couldn't have been juggling you couldn't have been juggling they couldn't have been juggling

Interrogative form

Simple form	V-ing form
could I juggle? could you juggle? could he juggle? could we juggle? could you juggle? could they juggle?	could I be juggling? could you be juggling? could he be juggling? could we be juggling? could you be juggling? could they be juggling?
Perfect	V-ing perfect
could I have juggled? could you have juggled? could he have juggled? could we have juggled? could you have juggled? could they have juggled?	could I have been juggling? could you have been juggling? could he have been juggling? could we have been juggling? could you have been juggling? could they have been juggling?

Interro-negative form

Simple form	V-ing form
couldn't I juggle? couldn't you juggle? couldn't he juggle? couldn't we juggle? couldn't you juggle? couldn't they juggle?	couldn't I be juggling? couldn't you be juggling? couldn't he be juggling? couldn't we be juggling? couldn't you be juggling? couldn't they be juggling?
Perfect	V-ing perfect
couldn't I have juggled? couldn't you have juggled? couldn't he have juggled? couldn't we have juggled? couldn't you have juggled? couldn't they have juggled?	couldn't I have been juggling? couldn't you have been juggling? couldn't he have been juggling? couldn't we have been juggling? couldn't you have been juggling? couldn't they have been juggling?