English verb conjugation
COULD OVERCOLOUR

Regular verb: overcolour - overcoloured - overcoloured

Affirmation

Simple form	V-ing form
I could overcolour you could overcolour she could overcolour we could overcolour you could overcolour they could overcolour	I could be overcolouring you could be overcolouring she could be overcolouring we could be overcolouring you could be overcolouring they could be overcolouring
Perfect	V-ing perfect
I could have overcoloured you could have overcoloured she could have overcoloured we could have overcoloured you could have overcoloured they could have overcoloured	I could have been overcolouring you could have been overcolouring she could have been overcolouring we could have been overcolouring you could have been overcolouring they could have been overcolouring

Negation

Simple form	V-ing form
I could not overcolour you could not overcolour she could not overcolour we could not overcolour you could not overcolour they could not overcolour	I could not be overcolouring you could not be overcolouring she could not be overcolouring we could not be overcolouring you could not be overcolouring they could not be overcolouring
Perfect	V-ing perfect
I could not have overcoloured you could not have overcoloured she could not have overcoloured we could not have overcoloured you could not have overcoloured they could not have overcoloured	I could not have been overcolouring you could not have been overcolouring she could not have been overcolouring we could not have been overcolouring you could not have been overcolouring they could not have been overcolouring

Interrogative form

Simple form	V-ing form
could I overcolour? could you overcolour? could she overcolour? could we overcolour? could you overcolour? could they overcolour?	could I be overcolouring? could you be overcolouring? could she be overcolouring? could we be overcolouring? could you be overcolouring? could they be overcolouring?
Perfect	V-ing perfect
could I have overcoloured? could you have overcoloured? could she have overcoloured? could we have overcoloured? could you have overcoloured? could they have overcoloured?	could I have been overcolouring? could you have been overcolouring? could she have been overcolouring? could we have been overcolouring? could you have been overcolouring? could they have been overcolouring?

Interro-negative form

Simple form	V-ing form
could I not overcolour? could you not overcolour? could she not overcolour? could we not overcolour? could you not overcolour? could they not overcolour?	could I not be overcolouring? could you not be overcolouring? could she not be overcolouring? could we not be overcolouring? could you not be overcolouring? could they not be overcolouring?
Perfect	V-ing perfect
could I not have overcoloured? could you not have overcoloured? could she not have overcoloured? could we not have overcoloured? could you not have overcoloured? could they not have overcoloured?	could I not have been overcolouring? could you not have been overcolouring? could she not have been overcolouring? could we not have been overcolouring? could you not have been overcolouring? could they not have been overcolouring?