English verb conjugation MUST FORK

Regular verb: fork - forked - forked

Affirmation

Simple form

I must fork
you must fork
she must fork
we must fork
you must fork
they must fork

V-ing form

I must be forking
you must be forking
she must be forking
we must be forking
you must be forking
they must be forking

Perfect

I must have forked
you must have forked
she must have forked
we must have forked
you must have forked
they must have forked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I fork?
must you fork?
must she fork?
must we fork?
must you fork?
must they fork?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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