English verb conjugation COULD GRAIN

Regular verb: grain - grained - grained

Affirmation

Simple form

I could grain
you could grain
she could grain
we could grain
you could grain
they could grain

V-ing form

I could be graining
you could be graining
she could be graining
we could be graining
you could be graining
they could be graining

Perfect

I could have grained
you could have grained
she 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
she could have been graining
we could have been graining
you could have been graining
they could have been graining

Negation

Simple form

I couldn't grain
you couldn't grain
she couldn't grain
we couldn't grain
you couldn't grain
they couldn't grain

V-ing form

I couldn't be graining
you couldn't be graining
she couldn't be graining
we couldn't be graining
you couldn't be graining
they couldn't be graining

Perfect

I couldn't have grained
you couldn't have grained
she couldn't have grained
we couldn't have grained
you couldn't have grained
they couldn't have grained

V-ing perfect

I couldn't have been graining
you couldn't have been graining
she couldn't have been graining
we couldn't have been graining
you couldn't have been graining
they couldn't have been graining

Interrogative form

Simple form

could I grain?
could you grain?
could she grain?
could we grain?
could you grain?
could they grain?

V-ing form

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

Perfect

could I have grained?
could you have grained?
could she 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 she have been graining?
could we have been graining?
could you have been graining?
could they have been graining?

Interro-negative form

Simple form

couldn't I grain?
couldn't you grain?
couldn't she grain?
couldn't we grain?
couldn't you grain?
couldn't they grain?

V-ing form

couldn't I be graining?
couldn't you be graining?
couldn't she be graining?
couldn't we be graining?
couldn't you be graining?
couldn't they be graining?

Perfect

couldn't I have grained?
couldn't you have grained?
couldn't she have grained?
couldn't we have grained?
couldn't you have grained?
couldn't they have grained?

V-ing perfect

couldn't I have been graining?
couldn't you have been graining?
couldn't she have been graining?
couldn't we have been graining?
couldn't you have been graining?
couldn't they have been graining?

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