English verb conjugation MUST GRAVEL

Regular verb: gravel - gravelled - gravelled

Affirmation

Simple form

I must gravel
you must gravel
he must gravel
we must gravel
you must gravel
they must gravel

V-ing form

I must be gravelling
you must be gravelling
he must be gravelling
we must be gravelling
you must be gravelling
they must be gravelling

Perfect

I must have gravelled
you must have gravelled
he must have gravelled
we must have gravelled
you must have gravelled
they must have gravelled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I gravel?
must you gravel?
must he gravel?
must we gravel?
must you gravel?
must they gravel?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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