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 mustn't shell
you mustn't shell
he mustn't shell
we mustn't shell
you mustn't shell
they mustn't shell

V-ing form

I mustn't be shelling
you mustn't be shelling
he mustn't be shelling
we mustn't be shelling
you mustn't be shelling
they mustn't be shelling

Perfect

I mustn't have shelled
you mustn't have shelled
he mustn't have shelled
we mustn't have shelled
you mustn't have shelled
they mustn't have shelled

V-ing perfect

I mustn't have been shelling
you mustn't have been shelling
he mustn't have been shelling
we mustn't have been shelling
you mustn't have been shelling
they mustn't 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

mustn't I shell?
mustn't you shell?
mustn't he shell?
mustn't we shell?
mustn't you shell?
mustn't they shell?

V-ing form

mustn't I be shelling?
mustn't you be shelling?
mustn't he be shelling?
mustn't we be shelling?
mustn't you be shelling?
mustn't they be shelling?

Perfect

mustn't I have shelled?
mustn't you have shelled?
mustn't he have shelled?
mustn't we have shelled?
mustn't you have shelled?
mustn't they have shelled?

V-ing perfect

mustn't I have been shelling?
mustn't you have been shelling?
mustn't he have been shelling?
mustn't we have been shelling?
mustn't you have been shelling?
mustn't they have been shelling?

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