English verb conjugation MUST SHELL

Regular verb: shell - shelled - shelled

Affirmation

Simple form

I must shell
you must shell
he must shell
we must shell
you must shell
they must shell

V-ing form

I must be shelling
you must be shelling
he must be shelling
we must be shelling
you must be shelling
they must be shelling

Perfect

I must have shelled
you must have shelled
he must have shelled
we must have shelled
you must have shelled
they must have shelled

V-ing perfect

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

Negation

Simple form

I must not shell
you must not shell
he must not shell
we must not shell
you must not shell
they must not shell

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I shell?
must you shell?
must he shell?
must we shell?
must you shell?
must they shell?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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