English verb conjugation MUST UNDERWHELM

Regular verb: underwhelm - underwhelmed - underwhelmed

Affirmation

Simple form

I must underwhelm
you must underwhelm
he must underwhelm
we must underwhelm
you must underwhelm
they must underwhelm

V-ing form

I must be underwhelming
you must be underwhelming
he must be underwhelming
we must be underwhelming
you must be underwhelming
they must be underwhelming

Perfect

I must have underwhelmed
you must have underwhelmed
he must have underwhelmed
we must have underwhelmed
you must have underwhelmed
they must have underwhelmed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I underwhelm?
must you underwhelm?
must he underwhelm?
must we underwhelm?
must you underwhelm?
must they underwhelm?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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