English verb conjugation MUST GROSS

Regular verb: gross - grossed - grossed

Affirmation

Simple form

I must gross
you must gross
he must gross
we must gross
you must gross
they must gross

V-ing form

I must be grossing
you must be grossing
he must be grossing
we must be grossing
you must be grossing
they must be grossing

Perfect

I must have grossed
you must have grossed
he must have grossed
we must have grossed
you must have grossed
they must have grossed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I gross?
must you gross?
must he gross?
must we gross?
must you gross?
must they gross?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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