English verb conjugation MUST RAVEL

Regular verb: ravel - ravelled - ravelled

Affirmation

Simple form

I must ravel
you must ravel
he must ravel
we must ravel
you must ravel
they must ravel

V-ing form

I must be ravelling
you must be ravelling
he must be ravelling
we must be ravelling
you must be ravelling
they must be ravelling

Perfect

I must have ravelled
you must have ravelled
he must have ravelled
we must have ravelled
you must have ravelled
they must have ravelled

V-ing perfect

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

Negation

Simple form

I mustn't ravel
you mustn't ravel
he mustn't ravel
we mustn't ravel
you mustn't ravel
they mustn't ravel

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I ravel?
must you ravel?
must he ravel?
must we ravel?
must you ravel?
must they ravel?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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