English verb conjugation COULD COMMEMORATE

Regular verb: commemorate - commemorated - commemorated

Affirmation

Simple form

I could commemorate
you could commemorate
he could commemorate
we could commemorate
you could commemorate
they could commemorate

V-ing form

I could be commemorating
you could be commemorating
he could be commemorating
we could be commemorating
you could be commemorating
they could be commemorating

Perfect

I could have commemorated
you could have commemorated
he could have commemorated
we could have commemorated
you could have commemorated
they could have commemorated

V-ing perfect

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

Negation

Simple form

I could not commemorate
you could not commemorate
he could not commemorate
we could not commemorate
you could not commemorate
they could not commemorate

V-ing form

I could not be commemorating
you could not be commemorating
he could not be commemorating
we could not be commemorating
you could not be commemorating
they could not be commemorating

Perfect

I could not have commemorated
you could not have commemorated
he could not have commemorated
we could not have commemorated
you could not have commemorated
they could not have commemorated

V-ing perfect

I could not have been commemorating
you could not have been commemorating
he could not have been commemorating
we could not have been commemorating
you could not have been commemorating
they could not have been commemorating

Interrogative form

Simple form

could I commemorate?
could you commemorate?
could he commemorate?
could we commemorate?
could you commemorate?
could they commemorate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not commemorate?
could you not commemorate?
could he not commemorate?
could we not commemorate?
could you not commemorate?
could they not commemorate?

V-ing form

could I not be commemorating?
could you not be commemorating?
could he not be commemorating?
could we not be commemorating?
could you not be commemorating?
could they not be commemorating?

Perfect

could I not have commemorated?
could you not have commemorated?
could he not have commemorated?
could we not have commemorated?
could you not have commemorated?
could they not have commemorated?

V-ing perfect

could I not have been commemorating?
could you not have been commemorating?
could he not have been commemorating?
could we not have been commemorating?
could you not have been commemorating?
could they not have been commemorating?

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