English verb conjugation COULD SUBSERVE

Regular verb: subserve - subserved - subserved

Affirmation

Simple form

I could subserve
you could subserve
he could subserve
we could subserve
you could subserve
they could subserve

V-ing form

I could be subserving
you could be subserving
he could be subserving
we could be subserving
you could be subserving
they could be subserving

Perfect

I could have subserved
you could have subserved
he could have subserved
we could have subserved
you could have subserved
they could have subserved

V-ing perfect

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

Negation

Simple form

I could not subserve
you could not subserve
he could not subserve
we could not subserve
you could not subserve
they could not subserve

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I subserve?
could you subserve?
could he subserve?
could we subserve?
could you subserve?
could they subserve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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