English verb conjugation COULD GRATE

Regular verb: grate - grated - grated

Affirmation

Simple form

I could grate
you could grate
she could grate
we could grate
you could grate
they could grate

V-ing form

I could be grating
you could be grating
she could be grating
we could be grating
you could be grating
they could be grating

Perfect

I could have grated
you could have grated
she could have grated
we could have grated
you could have grated
they could have grated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I grate?
could you grate?
could she grate?
could we grate?
could you grate?
could they grate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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