English verb conjugation COULD SPOIL

Irregular verb: spoil - spoiled, spoilt - spoiled, spoilt

Affirmation

Simple form

I could spoil
you could spoil
he could spoil
we could spoil
you could spoil
they could spoil

V-ing form

I could be spoiling
you could be spoiling
he could be spoiling
we could be spoiling
you could be spoiling
they could be spoiling

Perfect

I could have spoiled, spoilt
you could have spoiled, spoilt
he could have spoiled, spoilt
we could have spoiled, spoilt
you could have spoiled, spoilt
they could have spoiled, spoilt

V-ing perfect

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

Negation

Simple form

I could not spoil
you could not spoil
he could not spoil
we could not spoil
you could not spoil
they could not spoil

V-ing form

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

Perfect

I could not have spoiled, spoilt
you could not have spoiled, spoilt
he could not have spoiled, spoilt
we could not have spoiled, spoilt
you could not have spoiled, spoilt
they could not have spoiled, spoilt

V-ing perfect

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

Interrogative form

Simple form

could I spoil?
could you spoil?
could he spoil?
could we spoil?
could you spoil?
could they spoil?

V-ing form

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

Perfect

could I have spoiled, spoilt?
could you have spoiled, spoilt?
could he have spoiled, spoilt?
could we have spoiled, spoilt?
could you have spoiled, spoilt?
could they have spoiled, spoilt?

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

could I not have spoiled, spoilt?
could you not have spoiled, spoilt?
could he not have spoiled, spoilt?
could we not have spoiled, spoilt?
could you not have spoiled, spoilt?
could they not have spoiled, spoilt?

V-ing perfect

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

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