English verb conjugation MUST KRASS

Regular verb: krass - krassed - krassed

Affirmation

Simple form

I must krass
you must krass
she must krass
we must krass
you must krass
they must krass

V-ing form

I must be krassing
you must be krassing
she must be krassing
we must be krassing
you must be krassing
they must be krassing

Perfect

I must have krassed
you must have krassed
she must have krassed
we must have krassed
you must have krassed
they must have krassed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I krass?
must you krass?
must she krass?
must we krass?
must you krass?
must they krass?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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