English verb conjugation COULD REFRACT

Regular verb: refract - refracted - refracted

Affirmation

Simple form

I could refract
you could refract
he could refract
we could refract
you could refract
they could refract

V-ing form

I could be refracting
you could be refracting
he could be refracting
we could be refracting
you could be refracting
they could be refracting

Perfect

I could have refracted
you could have refracted
he could have refracted
we could have refracted
you could have refracted
they could have refracted

V-ing perfect

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

Negation

Simple form

I could not refract
you could not refract
he could not refract
we could not refract
you could not refract
they could not refract

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I refract?
could you refract?
could he refract?
could we refract?
could you refract?
could they refract?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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