English verb conjugation COULD CAVERN

Regular verb: cavern - caverned - caverned

Affirmation

Simple form

I could cavern
you could cavern
he could cavern
we could cavern
you could cavern
they could cavern

V-ing form

I could be caverning
you could be caverning
he could be caverning
we could be caverning
you could be caverning
they could be caverning

Perfect

I could have caverned
you could have caverned
he could have caverned
we could have caverned
you could have caverned
they could have caverned

V-ing perfect

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

Negation

Simple form

I could not cavern
you could not cavern
he could not cavern
we could not cavern
you could not cavern
they could not cavern

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I cavern?
could you cavern?
could he cavern?
could we cavern?
could you cavern?
could they cavern?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top