English verb conjugation MUST GROUCH

Regular verb: grouch - grouched - grouched

Affirmation

Simple form

I must grouch
you must grouch
she must grouch
we must grouch
you must grouch
they must grouch

V-ing form

I must be grouching
you must be grouching
she must be grouching
we must be grouching
you must be grouching
they must be grouching

Perfect

I must have grouched
you must have grouched
she must have grouched
we must have grouched
you must have grouched
they must have grouched

V-ing perfect

I must have been grouching
you must have been grouching
she must have been grouching
we must have been grouching
you must have been grouching
they must have been grouching

Negation

Simple form

I mustn't grouch
you mustn't grouch
she mustn't grouch
we mustn't grouch
you mustn't grouch
they mustn't grouch

V-ing form

I mustn't be grouching
you mustn't be grouching
she mustn't be grouching
we mustn't be grouching
you mustn't be grouching
they mustn't be grouching

Perfect

I mustn't have grouched
you mustn't have grouched
she mustn't have grouched
we mustn't have grouched
you mustn't have grouched
they mustn't have grouched

V-ing perfect

I mustn't have been grouching
you mustn't have been grouching
she mustn't have been grouching
we mustn't have been grouching
you mustn't have been grouching
they mustn't have been grouching

Interrogative form

Simple form

must I grouch?
must you grouch?
must she grouch?
must we grouch?
must you grouch?
must they grouch?

V-ing form

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

Perfect

must I have grouched?
must you have grouched?
must she have grouched?
must we have grouched?
must you have grouched?
must they have grouched?

V-ing perfect

must I have been grouching?
must you have been grouching?
must she have been grouching?
must we have been grouching?
must you have been grouching?
must they have been grouching?

Interro-negative form

Simple form

mustn't I grouch?
mustn't you grouch?
mustn't she grouch?
mustn't we grouch?
mustn't you grouch?
mustn't they grouch?

V-ing form

mustn't I be grouching?
mustn't you be grouching?
mustn't she be grouching?
mustn't we be grouching?
mustn't you be grouching?
mustn't they be grouching?

Perfect

mustn't I have grouched?
mustn't you have grouched?
mustn't she have grouched?
mustn't we have grouched?
mustn't you have grouched?
mustn't they have grouched?

V-ing perfect

mustn't I have been grouching?
mustn't you have been grouching?
mustn't she have been grouching?
mustn't we have been grouching?
mustn't you have been grouching?
mustn't they have been grouching?

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