English verb conjugation MUST NAIL

Regular verb: nail - nailed - nailed

Affirmation

Simple form

I must nail
you must nail
she must nail
we must nail
you must nail
they must nail

V-ing form

I must be nailing
you must be nailing
she must be nailing
we must be nailing
you must be nailing
they must be nailing

Perfect

I must have nailed
you must have nailed
she must have nailed
we must have nailed
you must have nailed
they must have nailed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I nail?
must you nail?
must she nail?
must we nail?
must you nail?
must they nail?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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