English verb conjugation MUST ENTHUSIASM

Regular verb: enthusiasm - enthusiasmed - enthusiasmed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I must enthusiasm
you must enthusiasm
she must enthusiasm
we must enthusiasm
you must enthusiasm
they must enthusiasm

V-ing form

I must be enthusiasming
you must be enthusiasming
she must be enthusiasming
we must be enthusiasming
you must be enthusiasming
they must be enthusiasming

Perfect

I must have enthusiasmed
you must have enthusiasmed
she must have enthusiasmed
we must have enthusiasmed
you must have enthusiasmed
they must have enthusiasmed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I enthusiasm?
must you enthusiasm?
must she enthusiasm?
must we enthusiasm?
must you enthusiasm?
must they enthusiasm?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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