Conjugaison du verbe anglais COULD TELEPHONE

I could telephone
you could telephone
she could telephone
we could telephone
you could telephone
they could telephone

I could be telephoning
you could be telephoning
she could be telephoning
we could be telephoning
you could be telephoning
they could be telephoning

I could have telephoned
you could have telephoned
she could have telephoned
we could have telephoned
you could have telephoned
they could have telephoned

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

I couldn't telephone
you couldn't telephone
she couldn't telephone
we couldn't telephone
you couldn't telephone
they couldn't telephone

I couldn't be telephoning
you couldn't be telephoning
she couldn't be telephoning
we couldn't be telephoning
you couldn't be telephoning
they couldn't be telephoning

I couldn't have telephoned
you couldn't have telephoned
she couldn't have telephoned
we couldn't have telephoned
you couldn't have telephoned
they couldn't have telephoned

I couldn't have been telephoning
you couldn't have been telephoning
she couldn't have been telephoning
we couldn't have been telephoning
you couldn't have been telephoning
they couldn't have been telephoning

could I telephone?
could you telephone?
could she telephone?
could we telephone?
could you telephone?
could they telephone?

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

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

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

couldn't I telephone?
couldn't you telephone?
couldn't she telephone?
couldn't we telephone?
couldn't you telephone?
couldn't they telephone?

couldn't I be telephoning?
couldn't you be telephoning?
couldn't she be telephoning?
couldn't we be telephoning?
couldn't you be telephoning?
couldn't they be telephoning?

couldn't I have telephoned?
couldn't you have telephoned?
couldn't she have telephoned?
couldn't we have telephoned?
couldn't you have telephoned?
couldn't they have telephoned?

couldn't I have been telephoning?
couldn't you have been telephoning?
couldn't she have been telephoning?
couldn't we have been telephoning?
couldn't you have been telephoning?
couldn't they have been telephoning?