English verb conjugation COULD SHELL

Regular verb: shell - shelled - shelled

Affirmation

Simple form

I could shell
you could shell
he could shell
we could shell
you could shell
they could shell

V-ing form

I could be shelling
you could be shelling
he could be shelling
we could be shelling
you could be shelling
they could be shelling

Perfect

I could have shelled
you could have shelled
he could have shelled
we could have shelled
you could have shelled
they could have shelled

V-ing perfect

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

Negation

Simple form

I could not shell
you could not shell
he could not shell
we could not shell
you could not shell
they could not shell

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I shell?
could you shell?
could he shell?
could we shell?
could you shell?
could they shell?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top