Conjugaison du verbe anglais COULD PERPETUATE

I could perpetuate
you could perpetuate
she could perpetuate
we could perpetuate
you could perpetuate
they could perpetuate

I could be perpetuating
you could be perpetuating
she could be perpetuating
we could be perpetuating
you could be perpetuating
they could be perpetuating

I could have perpetuated
you could have perpetuated
she could have perpetuated
we could have perpetuated
you could have perpetuated
they could have perpetuated

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

I could not perpetuate
you could not perpetuate
she could not perpetuate
we could not perpetuate
you could not perpetuate
they could not perpetuate

I could not be perpetuating
you could not be perpetuating
she could not be perpetuating
we could not be perpetuating
you could not be perpetuating
they could not be perpetuating

I could not have perpetuated
you could not have perpetuated
she could not have perpetuated
we could not have perpetuated
you could not have perpetuated
they could not have perpetuated

I could not have been perpetuating
you could not have been perpetuating
she could not have been perpetuating
we could not have been perpetuating
you could not have been perpetuating
they could not have been perpetuating

could I perpetuate?
could you perpetuate?
could she perpetuate?
could we perpetuate?
could you perpetuate?
could they perpetuate?

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

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

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

could I not perpetuate?
could you not perpetuate?
could she not perpetuate?
could we not perpetuate?
could you not perpetuate?
could they not perpetuate?

could I not be perpetuating?
could you not be perpetuating?
could she not be perpetuating?
could we not be perpetuating?
could you not be perpetuating?
could they not be perpetuating?

could I not have perpetuated?
could you not have perpetuated?
could she not have perpetuated?
could we not have perpetuated?
could you not have perpetuated?
could they not have perpetuated?

could I not have been perpetuating?
could you not have been perpetuating?
could she not have been perpetuating?
could we not have been perpetuating?
could you not have been perpetuating?
could they not have been perpetuating?