English verb conjugation COULD GRAIN

Regular verb: grain - grained - grained

Affirmation

Simple form

I could grain
you could grain
he could grain
we could grain
you could grain
they could grain

V-ing form

I could be graining
you could be graining
he could be graining
we could be graining
you could be graining
they could be graining

Perfect

I could have grained
you could have grained
he could have grained
we could have grained
you could have grained
they could have grained

V-ing perfect

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

Negation

Simple form

I could not grain
you could not grain
he could not grain
we could not grain
you could not grain
they could not grain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I grain?
could you grain?
could he grain?
could we grain?
could you grain?
could they grain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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