English verb conjugation MUST FLUNK

Regular verb: flunk - flunked - flunked

Affirmation

Simple form

I must flunk
you must flunk
she must flunk
we must flunk
you must flunk
they must flunk

V-ing form

I must be flunking
you must be flunking
she must be flunking
we must be flunking
you must be flunking
they must be flunking

Perfect

I must have flunked
you must have flunked
she must have flunked
we must have flunked
you must have flunked
they must have flunked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I flunk?
must you flunk?
must she flunk?
must we flunk?
must you flunk?
must they flunk?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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