English verb conjugation
COULD VINDICATE

Regular verb: vindicate - vindicated - vindicated

Affirmation

Simple form	V-ing form
I could vindicate you could vindicate she could vindicate we could vindicate you could vindicate they could vindicate	I could be vindicating you could be vindicating she could be vindicating we could be vindicating you could be vindicating they could be vindicating
Perfect	V-ing perfect
I could have vindicated you could have vindicated she could have vindicated we could have vindicated you could have vindicated they could have vindicated	I could have been vindicating you could have been vindicating she could have been vindicating we could have been vindicating you could have been vindicating they could have been vindicating

Negation

Simple form	V-ing form
I couldn't vindicate you couldn't vindicate she couldn't vindicate we couldn't vindicate you couldn't vindicate they couldn't vindicate	I couldn't be vindicating you couldn't be vindicating she couldn't be vindicating we couldn't be vindicating you couldn't be vindicating they couldn't be vindicating
Perfect	V-ing perfect
I couldn't have vindicated you couldn't have vindicated she couldn't have vindicated we couldn't have vindicated you couldn't have vindicated they couldn't have vindicated	I couldn't have been vindicating you couldn't have been vindicating she couldn't have been vindicating we couldn't have been vindicating you couldn't have been vindicating they couldn't have been vindicating

Interrogative form

Simple form	V-ing form
could I vindicate? could you vindicate? could she vindicate? could we vindicate? could you vindicate? could they vindicate?	could I be vindicating? could you be vindicating? could she be vindicating? could we be vindicating? could you be vindicating? could they be vindicating?
Perfect	V-ing perfect
could I have vindicated? could you have vindicated? could she have vindicated? could we have vindicated? could you have vindicated? could they have vindicated?	could I have been vindicating? could you have been vindicating? could she have been vindicating? could we have been vindicating? could you have been vindicating? could they have been vindicating?

Interro-negative form

Simple form	V-ing form
couldn't I vindicate? couldn't you vindicate? couldn't she vindicate? couldn't we vindicate? couldn't you vindicate? couldn't they vindicate?	couldn't I be vindicating? couldn't you be vindicating? couldn't she be vindicating? couldn't we be vindicating? couldn't you be vindicating? couldn't they be vindicating?
Perfect	V-ing perfect
couldn't I have vindicated? couldn't you have vindicated? couldn't she have vindicated? couldn't we have vindicated? couldn't you have vindicated? couldn't they have vindicated?	couldn't I have been vindicating? couldn't you have been vindicating? couldn't she have been vindicating? couldn't we have been vindicating? couldn't you have been vindicating? couldn't they have been vindicating?