English verb conjugation MUST UNDERFURNISH

Regular verb: underfurnish - underfurnished - underfurnished

Affirmation

Simple form

I must underfurnish
you must underfurnish
he must underfurnish
we must underfurnish
you must underfurnish
they must underfurnish

V-ing form

I must be underfurnishing
you must be underfurnishing
he must be underfurnishing
we must be underfurnishing
you must be underfurnishing
they must be underfurnishing

Perfect

I must have underfurnished
you must have underfurnished
he must have underfurnished
we must have underfurnished
you must have underfurnished
they must have underfurnished

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I underfurnish?
must you underfurnish?
must he underfurnish?
must we underfurnish?
must you underfurnish?
must they underfurnish?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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