English verb conjugation MUST GRAVEL

Regular verb: gravel - gravelled - gravelled

Affirmation

Simple form

I must gravel
you must gravel
she must gravel
we must gravel
you must gravel
they must gravel

V-ing form

I must be gravelling
you must be gravelling
she must be gravelling
we must be gravelling
you must be gravelling
they must be gravelling

Perfect

I must have gravelled
you must have gravelled
she 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
she 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
she 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
she 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
she 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
she 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 she gravel?
must we gravel?
must you gravel?
must they gravel?

V-ing form

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

Perfect

must I have gravelled?
must you have gravelled?
must she 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 she 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 she 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 she 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 she 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 she 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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