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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

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 could not grate
you could not grate
she could not grate
we could not grate
you could not grate
they could not grate
V-ing form
I could not be grating
you could not be grating
she could not be grating
we could not be grating
you could not be grating
they could not be grating
Perfect
I could not have grated
you could not have grated
she could not have grated
we could not have grated
you could not have grated
they could not have grated
V-ing perfect
I could not have been grating
you could not have been grating
she could not have been grating
we could not have been grating
you could not have been grating
they could not 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
could I not grate?
could you not grate?
could she not grate?
could we not grate?
could you not grate?
could they not grate?
V-ing form
could I not be grating?
could you not be grating?
could she not be grating?
could we not be grating?
could you not be grating?
could they not be grating?
Perfect
could I not have grated?
could you not have grated?
could she not have grated?
could we not have grated?
could you not have grated?
could they not have grated?
V-ing perfect
could I not have been grating?
could you not have been grating?
could she not have been grating?
could we not have been grating?
could you not have been grating?
could they not have been grating?