English verb conjugation COULD SWEAR

Irregular verb: swear - swore - sworn


Affirmation

Simple form

I could swear
you could swear
he could swear
we could swear
you could swear
they could swear

V-ing form

I could be swearing
you could be swearing
he could be swearing
we could be swearing
you could be swearing
they could be swearing

Perfect

I could have sworn
you could have sworn
he could have sworn
we could have sworn
you could have sworn
they could have sworn

V-ing perfect

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

Negation

Simple form

I could not swear
you could not swear
he could not swear
we could not swear
you could not swear
they could not swear

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I swear?
could you swear?
could he swear?
could we swear?
could you swear?
could they swear?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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