English verb conjugation
COULD JIGGLE

Regular verb: jiggle - jiggled - jiggled

Affirmation

Simple form	V-ing form
I could jiggle you could jiggle he could jiggle we could jiggle you could jiggle they could jiggle	I could be jiggling you could be jiggling he could be jiggling we could be jiggling you could be jiggling they could be jiggling
Perfect	V-ing perfect
I could have jiggled you could have jiggled he could have jiggled we could have jiggled you could have jiggled they could have jiggled	I could have been jiggling you could have been jiggling he could have been jiggling we could have been jiggling you could have been jiggling they could have been jiggling

Negation

Simple form	V-ing form
I couldn't jiggle you couldn't jiggle he couldn't jiggle we couldn't jiggle you couldn't jiggle they couldn't jiggle	I couldn't be jiggling you couldn't be jiggling he couldn't be jiggling we couldn't be jiggling you couldn't be jiggling they couldn't be jiggling
Perfect	V-ing perfect
I couldn't have jiggled you couldn't have jiggled he couldn't have jiggled we couldn't have jiggled you couldn't have jiggled they couldn't have jiggled	I couldn't have been jiggling you couldn't have been jiggling he couldn't have been jiggling we couldn't have been jiggling you couldn't have been jiggling they couldn't have been jiggling

Interrogative form

Simple form	V-ing form
could I jiggle? could you jiggle? could he jiggle? could we jiggle? could you jiggle? could they jiggle?	could I be jiggling? could you be jiggling? could he be jiggling? could we be jiggling? could you be jiggling? could they be jiggling?
Perfect	V-ing perfect
could I have jiggled? could you have jiggled? could he have jiggled? could we have jiggled? could you have jiggled? could they have jiggled?	could I have been jiggling? could you have been jiggling? could he have been jiggling? could we have been jiggling? could you have been jiggling? could they have been jiggling?

Interro-negative form

Simple form	V-ing form
couldn't I jiggle? couldn't you jiggle? couldn't he jiggle? couldn't we jiggle? couldn't you jiggle? couldn't they jiggle?	couldn't I be jiggling? couldn't you be jiggling? couldn't he be jiggling? couldn't we be jiggling? couldn't you be jiggling? couldn't they be jiggling?
Perfect	V-ing perfect
couldn't I have jiggled? couldn't you have jiggled? couldn't he have jiggled? couldn't we have jiggled? couldn't you have jiggled? couldn't they have jiggled?	couldn't I have been jiggling? couldn't you have been jiggling? couldn't he have been jiggling? couldn't we have been jiggling? couldn't you have been jiggling? couldn't they have been jiggling?