English verb conjugation
COULD RETALIATE

Regular verb: retaliate - retaliated - retaliated

Affirmation

Simple form	V-ing form
I could retaliate you could retaliate he could retaliate we could retaliate you could retaliate they could retaliate	I could be retaliating you could be retaliating he could be retaliating we could be retaliating you could be retaliating they could be retaliating
Perfect	V-ing perfect
I could have retaliated you could have retaliated he could have retaliated we could have retaliated you could have retaliated they could have retaliated	I could have been retaliating you could have been retaliating he could have been retaliating we could have been retaliating you could have been retaliating they could have been retaliating

Negation

Simple form	V-ing form
I couldn't retaliate you couldn't retaliate he couldn't retaliate we couldn't retaliate you couldn't retaliate they couldn't retaliate	I couldn't be retaliating you couldn't be retaliating he couldn't be retaliating we couldn't be retaliating you couldn't be retaliating they couldn't be retaliating
Perfect	V-ing perfect
I couldn't have retaliated you couldn't have retaliated he couldn't have retaliated we couldn't have retaliated you couldn't have retaliated they couldn't have retaliated	I couldn't have been retaliating you couldn't have been retaliating he couldn't have been retaliating we couldn't have been retaliating you couldn't have been retaliating they couldn't have been retaliating

Interrogative form

Simple form	V-ing form
could I retaliate? could you retaliate? could he retaliate? could we retaliate? could you retaliate? could they retaliate?	could I be retaliating? could you be retaliating? could he be retaliating? could we be retaliating? could you be retaliating? could they be retaliating?
Perfect	V-ing perfect
could I have retaliated? could you have retaliated? could he have retaliated? could we have retaliated? could you have retaliated? could they have retaliated?	could I have been retaliating? could you have been retaliating? could he have been retaliating? could we have been retaliating? could you have been retaliating? could they have been retaliating?

Interro-negative form

Simple form	V-ing form
couldn't I retaliate? couldn't you retaliate? couldn't he retaliate? couldn't we retaliate? couldn't you retaliate? couldn't they retaliate?	couldn't I be retaliating? couldn't you be retaliating? couldn't he be retaliating? couldn't we be retaliating? couldn't you be retaliating? couldn't they be retaliating?
Perfect	V-ing perfect
couldn't I have retaliated? couldn't you have retaliated? couldn't he have retaliated? couldn't we have retaliated? couldn't you have retaliated? couldn't they have retaliated?	couldn't I have been retaliating? couldn't you have been retaliating? couldn't he have been retaliating? couldn't we have been retaliating? couldn't you have been retaliating? couldn't they have been retaliating?