English verb conjugation COULD INTERPOLATE

Regular verb: interpolate - interpolated - interpolated

Affirmation

Simple form

I could interpolate
you could interpolate
he could interpolate
we could interpolate
you could interpolate
they could interpolate

V-ing form

I could be interpolating
you could be interpolating
he could be interpolating
we could be interpolating
you could be interpolating
they could be interpolating

Perfect

I could have interpolated
you could have interpolated
he could have interpolated
we could have interpolated
you could have interpolated
they could have interpolated

V-ing perfect

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

Negation

Simple form

I couldn't interpolate
you couldn't interpolate
he couldn't interpolate
we couldn't interpolate
you couldn't interpolate
they couldn't interpolate

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I interpolate?
could you interpolate?
could he interpolate?
could we interpolate?
could you interpolate?
could they interpolate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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