English verb conjugation COULD GO DOWN

Regular verb: go down - go downed - go downed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I could go down
you could go down
he could go down
we could go down
you could go down
they could go down

V-ing form

I could be go downing
you could be go downing
he could be go downing
we could be go downing
you could be go downing
they could be go downing

Perfect

I could have go downed
you could have go downed
he could have go downed
we could have go downed
you could have go downed
they could have go downed

V-ing perfect

I could have been go downing
you could have been go downing
he could have been go downing
we could have been go downing
you could have been go downing
they could have been go downing

Negation

Simple form

I could not go down
you could not go down
he could not go down
we could not go down
you could not go down
they could not go down

V-ing form

I could not be go downing
you could not be go downing
he could not be go downing
we could not be go downing
you could not be go downing
they could not be go downing

Perfect

I could not have go downed
you could not have go downed
he could not have go downed
we could not have go downed
you could not have go downed
they could not have go downed

V-ing perfect

I could not have been go downing
you could not have been go downing
he could not have been go downing
we could not have been go downing
you could not have been go downing
they could not have been go downing

Interrogative form

Simple form

could I go down?
could you go down?
could he go down?
could we go down?
could you go down?
could they go down?

V-ing form

could I be go downing?
could you be go downing?
could he be go downing?
could we be go downing?
could you be go downing?
could they be go downing?

Perfect

could I have go downed?
could you have go downed?
could he have go downed?
could we have go downed?
could you have go downed?
could they have go downed?

V-ing perfect

could I have been go downing?
could you have been go downing?
could he have been go downing?
could we have been go downing?
could you have been go downing?
could they have been go downing?

Interro-negative form

Simple form

could I not go down?
could you not go down?
could he not go down?
could we not go down?
could you not go down?
could they not go down?

V-ing form

could I not be go downing?
could you not be go downing?
could he not be go downing?
could we not be go downing?
could you not be go downing?
could they not be go downing?

Perfect

could I not have go downed?
could you not have go downed?
could he not have go downed?
could we not have go downed?
could you not have go downed?
could they not have go downed?

V-ing perfect

could I not have been go downing?
could you not have been go downing?
could he not have been go downing?
could we not have been go downing?
could you not have been go downing?
could they not have been go downing?

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