English verb conjugation COULD MAIL

Regular verb: mail - mailed - mailed

Affirmation

Simple form

I could mail
you could mail
he could mail
we could mail
you could mail
they could mail

V-ing form

I could be mailing
you could be mailing
he could be mailing
we could be mailing
you could be mailing
they could be mailing

Perfect

I could have mailed
you could have mailed
he could have mailed
we could have mailed
you could have mailed
they could have mailed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I mail?
could you mail?
could he mail?
could we mail?
could you mail?
could they mail?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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