English verb conjugation
COULD EMBITTER

Regular verb: embitter - embittered - embittered

Affirmation

Simple form	V-ing form
I could embitter you could embitter she could embitter we could embitter you could embitter they could embitter	I could be embittering you could be embittering she could be embittering we could be embittering you could be embittering they could be embittering
Perfect	V-ing perfect
I could have embittered you could have embittered she could have embittered we could have embittered you could have embittered they could have embittered	I could have been embittering you could have been embittering she could have been embittering we could have been embittering you could have been embittering they could have been embittering

Negation

Simple form	V-ing form
I couldn't embitter you couldn't embitter she couldn't embitter we couldn't embitter you couldn't embitter they couldn't embitter	I couldn't be embittering you couldn't be embittering she couldn't be embittering we couldn't be embittering you couldn't be embittering they couldn't be embittering
Perfect	V-ing perfect
I couldn't have embittered you couldn't have embittered she couldn't have embittered we couldn't have embittered you couldn't have embittered they couldn't have embittered	I couldn't have been embittering you couldn't have been embittering she couldn't have been embittering we couldn't have been embittering you couldn't have been embittering they couldn't have been embittering

Interrogative form

Simple form	V-ing form
could I embitter? could you embitter? could she embitter? could we embitter? could you embitter? could they embitter?	could I be embittering? could you be embittering? could she be embittering? could we be embittering? could you be embittering? could they be embittering?
Perfect	V-ing perfect
could I have embittered? could you have embittered? could she have embittered? could we have embittered? could you have embittered? could they have embittered?	could I have been embittering? could you have been embittering? could she have been embittering? could we have been embittering? could you have been embittering? could they have been embittering?

Interro-negative form

Simple form	V-ing form
couldn't I embitter? couldn't you embitter? couldn't she embitter? couldn't we embitter? couldn't you embitter? couldn't they embitter?	couldn't I be embittering? couldn't you be embittering? couldn't she be embittering? couldn't we be embittering? couldn't you be embittering? couldn't they be embittering?
Perfect	V-ing perfect
couldn't I have embittered? couldn't you have embittered? couldn't she have embittered? couldn't we have embittered? couldn't you have embittered? couldn't they have embittered?	couldn't I have been embittering? couldn't you have been embittering? couldn't she have been embittering? couldn't we have been embittering? couldn't you have been embittering? couldn't they have been embittering?