English verb conjugation MUST NAIL

Regular verb: nail - nailed - nailed

Affirmation

Simple form

I must nail
you must nail
he must nail
we must nail
you must nail
they must nail

V-ing form

I must be nailing
you must be nailing
he must be nailing
we must be nailing
you must be nailing
they must be nailing

Perfect

I must have nailed
you must have nailed
he 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
he 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
he 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
he 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
he 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
he 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 he nail?
must we nail?
must you nail?
must they nail?

V-ing form

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

Perfect

must I have nailed?
must you have nailed?
must he 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 he 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 he 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 he 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 he 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 he 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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