English verb conjugation COULD SURNAME

Regular verb: surname - surnamed - surnamed

Affirmation

Simple form

I could surname
you could surname
he could surname
we could surname
you could surname
they could surname

V-ing form

I could be surnaming
you could be surnaming
he could be surnaming
we could be surnaming
you could be surnaming
they could be surnaming

Perfect

I could have surnamed
you could have surnamed
he could have surnamed
we could have surnamed
you could have surnamed
they could have surnamed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I surname?
could you surname?
could he surname?
could we surname?
could you surname?
could they surname?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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