English verb conjugation COULD DEN

Regular verb: den - dened - dened


Affirmation

Simple form

I could den
you could den
he could den
we could den
you could den
they could den

V-ing form

I could be dening
you could be dening
he could be dening
we could be dening
you could be dening
they could be dening

Perfect

I could have dened
you could have dened
he could have dened
we could have dened
you could have dened
they could have dened

V-ing perfect

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

Negation

Simple form

I could not den
you could not den
he could not den
we could not den
you could not den
they could not den

V-ing form

I could not be dening
you could not be dening
he could not be dening
we could not be dening
you could not be dening
they could not be dening

Perfect

I could not have dened
you could not have dened
he could not have dened
we could not have dened
you could not have dened
they could not have dened

V-ing perfect

I could not have been dening
you could not have been dening
he could not have been dening
we could not have been dening
you could not have been dening
they could not have been dening

Interrogative form

Simple form

could I den?
could you den?
could he den?
could we den?
could you den?
could they den?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not den?
could you not den?
could he not den?
could we not den?
could you not den?
could they not den?

V-ing form

could I not be dening?
could you not be dening?
could he not be dening?
could we not be dening?
could you not be dening?
could they not be dening?

Perfect

could I not have dened?
could you not have dened?
could he not have dened?
could we not have dened?
could you not have dened?
could they not have dened?

V-ing perfect

could I not have been dening?
could you not have been dening?
could he not have been dening?
could we not have been dening?
could you not have been dening?
could they not have been dening?