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 couldn't colour
you couldn't colour
he couldn't colour
we couldn't colour
you couldn't colour
they couldn't colour

V-ing form

I couldn't be colouring
you couldn't be colouring
he couldn't be colouring
we couldn't be colouring
you couldn't be colouring
they couldn't be colouring

Perfect

I couldn't have coloured
you couldn't have coloured
he couldn't have coloured
we couldn't have coloured
you couldn't have coloured
they couldn't have coloured

V-ing perfect

I couldn't have been colouring
you couldn't have been colouring
he couldn't have been colouring
we couldn't have been colouring
you couldn't have been colouring
they couldn't 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

couldn't I colour?
couldn't you colour?
couldn't he colour?
couldn't we colour?
couldn't you colour?
couldn't they colour?

V-ing form

couldn't I be colouring?
couldn't you be colouring?
couldn't he be colouring?
couldn't we be colouring?
couldn't you be colouring?
couldn't they be colouring?

Perfect

couldn't I have coloured?
couldn't you have coloured?
couldn't he have coloured?
couldn't we have coloured?
couldn't you have coloured?
couldn't they have coloured?

V-ing perfect

couldn't I have been colouring?
couldn't you have been colouring?
couldn't he have been colouring?
couldn't we have been colouring?
couldn't you have been colouring?
couldn't they have been colouring?

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