English verb conjugation COULD TELEPHONE

Regular verb: telephone - telephoned - telephoned

Affirmation

Simple form

I could telephone
you could telephone
he could telephone
we could telephone
you could telephone
they could telephone

V-ing form

I could be telephoning
you could be telephoning
he could be telephoning
we could be telephoning
you could be telephoning
they could be telephoning

Perfect

I could have telephoned
you could have telephoned
he could have telephoned
we could have telephoned
you could have telephoned
they could have telephoned

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I telephone?
could you telephone?
could he telephone?
could we telephone?
could you telephone?
could they telephone?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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