English verb conjugation COULD COLOUR

Regular verb: colour - coloured - coloured

Affirmation

Simple form

I could colour
you could colour
he could colour
we could colour
you could colour
they could colour

V-ing form

I could be colouring
you could be colouring
he could be colouring
we could be colouring
you could be colouring
they could be colouring

Perfect

I could have coloured
you could have coloured
he could have coloured
we could have coloured
you could have coloured
they could have coloured

V-ing perfect

I could have been colouring
you could have been colouring
he could have been colouring
we could have been colouring
you could have been colouring
they could have been colouring

Negation

Simple form

I could not colour
you could not colour
he could not colour
we could not colour
you could not colour
they could not colour

V-ing form

I could not be colouring
you could not be colouring
he could not be colouring
we could not be colouring
you could not be colouring
they could not be colouring

Perfect

I could not have coloured
you could not have coloured
he could not have coloured
we could not have coloured
you could not have coloured
they could not have coloured

V-ing perfect

I could not have been colouring
you could not have been colouring
he could not have been colouring
we could not have been colouring
you could not have been colouring
they could not have been colouring

Interrogative form

Simple form

could I colour?
could you colour?
could he colour?
could we colour?
could you colour?
could they colour?

V-ing form

could I be colouring?
could you be colouring?
could he be colouring?
could we be colouring?
could you be colouring?
could they be colouring?

Perfect

could I have coloured?
could you have coloured?
could he have coloured?
could we have coloured?
could you have coloured?
could they have coloured?

V-ing perfect

could I have been colouring?
could you have been colouring?
could he have been colouring?
could we have been colouring?
could you have been colouring?
could they have been colouring?

Interro-negative form

Simple form

could I not colour?
could you not colour?
could he not colour?
could we not colour?
could you not colour?
could they not colour?

V-ing form

could I not be colouring?
could you not be colouring?
could he not be colouring?
could we not be colouring?
could you not be colouring?
could they not be colouring?

Perfect

could I not have coloured?
could you not have coloured?
could he not have coloured?
could we not have coloured?
could you not have coloured?
could they not have coloured?

V-ing perfect

could I not have been colouring?
could you not have been colouring?
could he not have been colouring?
could we not have been colouring?
could you not have been colouring?
could they not have been colouring?

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