English verb conjugation MUST UNLACE

Regular verb: unlace - unlaced - unlaced

Affirmation

Simple form

I must unlace
you must unlace
he must unlace
we must unlace
you must unlace
they must unlace

V-ing form

I must be unlacing
you must be unlacing
he must be unlacing
we must be unlacing
you must be unlacing
they must be unlacing

Perfect

I must have unlaced
you must have unlaced
he must have unlaced
we must have unlaced
you must have unlaced
they must have unlaced

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I unlace?
must you unlace?
must he unlace?
must we unlace?
must you unlace?
must they unlace?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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