English verb conjugation COULD SEINE

Regular verb: seine - seined - seined

Affirmation

Simple form

I could seine
you could seine
she could seine
we could seine
you could seine
they could seine

V-ing form

I could be seining
you could be seining
she could be seining
we could be seining
you could be seining
they could be seining

Perfect

I could have seined
you could have seined
she could have seined
we could have seined
you could have seined
they could have seined

V-ing perfect

I could have been seining
you could have been seining
she could have been seining
we could have been seining
you could have been seining
they could have been seining

Negation

Simple form

I could not seine
you could not seine
she could not seine
we could not seine
you could not seine
they could not seine

V-ing form

I could not be seining
you could not be seining
she could not be seining
we could not be seining
you could not be seining
they could not be seining

Perfect

I could not have seined
you could not have seined
she could not have seined
we could not have seined
you could not have seined
they could not have seined

V-ing perfect

I could not have been seining
you could not have been seining
she could not have been seining
we could not have been seining
you could not have been seining
they could not have been seining

Interrogative form

Simple form

could I seine?
could you seine?
could she seine?
could we seine?
could you seine?
could they seine?

V-ing form

could I be seining?
could you be seining?
could she be seining?
could we be seining?
could you be seining?
could they be seining?

Perfect

could I have seined?
could you have seined?
could she have seined?
could we have seined?
could you have seined?
could they have seined?

V-ing perfect

could I have been seining?
could you have been seining?
could she have been seining?
could we have been seining?
could you have been seining?
could they have been seining?

Interro-negative form

Simple form

could I not seine?
could you not seine?
could she not seine?
could we not seine?
could you not seine?
could they not seine?

V-ing form

could I not be seining?
could you not be seining?
could she not be seining?
could we not be seining?
could you not be seining?
could they not be seining?

Perfect

could I not have seined?
could you not have seined?
could she not have seined?
could we not have seined?
could you not have seined?
could they not have seined?

V-ing perfect

could I not have been seining?
could you not have been seining?
could she not have been seining?
could we not have been seining?
could you not have been seining?
could they not have been seining?

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