English verb conjugation
COULD CONTRAINDICATE

Regular verb: contraindicate - contraindicated - contraindicated

Affirmation

Simple form	V-ing form
I could contraindicate you could contraindicate he could contraindicate we could contraindicate you could contraindicate they could contraindicate	I could be contraindicating you could be contraindicating he could be contraindicating we could be contraindicating you could be contraindicating they could be contraindicating
Perfect	V-ing perfect
I could have contraindicated you could have contraindicated he could have contraindicated we could have contraindicated you could have contraindicated they could have contraindicated	I could have been contraindicating you could have been contraindicating he could have been contraindicating we could have been contraindicating you could have been contraindicating they could have been contraindicating

Negation

Simple form	V-ing form
I couldn't contraindicate you couldn't contraindicate he couldn't contraindicate we couldn't contraindicate you couldn't contraindicate they couldn't contraindicate	I couldn't be contraindicating you couldn't be contraindicating he couldn't be contraindicating we couldn't be contraindicating you couldn't be contraindicating they couldn't be contraindicating
Perfect	V-ing perfect
I couldn't have contraindicated you couldn't have contraindicated he couldn't have contraindicated we couldn't have contraindicated you couldn't have contraindicated they couldn't have contraindicated	I couldn't have been contraindicating you couldn't have been contraindicating he couldn't have been contraindicating we couldn't have been contraindicating you couldn't have been contraindicating they couldn't have been contraindicating

Interrogative form

Simple form	V-ing form
could I contraindicate? could you contraindicate? could he contraindicate? could we contraindicate? could you contraindicate? could they contraindicate?	could I be contraindicating? could you be contraindicating? could he be contraindicating? could we be contraindicating? could you be contraindicating? could they be contraindicating?
Perfect	V-ing perfect
could I have contraindicated? could you have contraindicated? could he have contraindicated? could we have contraindicated? could you have contraindicated? could they have contraindicated?	could I have been contraindicating? could you have been contraindicating? could he have been contraindicating? could we have been contraindicating? could you have been contraindicating? could they have been contraindicating?

Interro-negative form

Simple form	V-ing form
couldn't I contraindicate? couldn't you contraindicate? couldn't he contraindicate? couldn't we contraindicate? couldn't you contraindicate? couldn't they contraindicate?	couldn't I be contraindicating? couldn't you be contraindicating? couldn't he be contraindicating? couldn't we be contraindicating? couldn't you be contraindicating? couldn't they be contraindicating?
Perfect	V-ing perfect
couldn't I have contraindicated? couldn't you have contraindicated? couldn't he have contraindicated? couldn't we have contraindicated? couldn't you have contraindicated? couldn't they have contraindicated?	couldn't I have been contraindicating? couldn't you have been contraindicating? couldn't he have been contraindicating? couldn't we have been contraindicating? couldn't you have been contraindicating? couldn't they have been contraindicating?