English verb conjugation MUST TRIFFLE

Regular verb: triffle - triffled - triffled

Affirmation

Simple form

I must triffle
you must triffle
she must triffle
we must triffle
you must triffle
they must triffle

V-ing form

I must be triffling
you must be triffling
she must be triffling
we must be triffling
you must be triffling
they must be triffling

Perfect

I must have triffled
you must have triffled
she must have triffled
we must have triffled
you must have triffled
they must have triffled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I triffle?
must you triffle?
must she triffle?
must we triffle?
must you triffle?
must they triffle?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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