English verb conjugation COULD CORK

Regular verb: cork - corked - corked

Affirmation

Simple form

I could cork
you could cork
he could cork
we could cork
you could cork
they could cork

V-ing form

I could be corking
you could be corking
he could be corking
we could be corking
you could be corking
they could be corking

Perfect

I could have corked
you could have corked
he could have corked
we could have corked
you could have corked
they could have corked

V-ing perfect

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

Negation

Simple form

I couldn't cork
you couldn't cork
he couldn't cork
we couldn't cork
you couldn't cork
they couldn't cork

V-ing form

I couldn't be corking
you couldn't be corking
he couldn't be corking
we couldn't be corking
you couldn't be corking
they couldn't be corking

Perfect

I couldn't have corked
you couldn't have corked
he couldn't have corked
we couldn't have corked
you couldn't have corked
they couldn't have corked

V-ing perfect

I couldn't have been corking
you couldn't have been corking
he couldn't have been corking
we couldn't have been corking
you couldn't have been corking
they couldn't have been corking

Interrogative form

Simple form

could I cork?
could you cork?
could he cork?
could we cork?
could you cork?
could they cork?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I cork?
couldn't you cork?
couldn't he cork?
couldn't we cork?
couldn't you cork?
couldn't they cork?

V-ing form

couldn't I be corking?
couldn't you be corking?
couldn't he be corking?
couldn't we be corking?
couldn't you be corking?
couldn't they be corking?

Perfect

couldn't I have corked?
couldn't you have corked?
couldn't he have corked?
couldn't we have corked?
couldn't you have corked?
couldn't they have corked?

V-ing perfect

couldn't I have been corking?
couldn't you have been corking?
couldn't he have been corking?
couldn't we have been corking?
couldn't you have been corking?
couldn't they have been corking?

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