English verb conjugation MUST INTERLACE

Regular verb: interlace - interlaced - interlaced

Affirmation

Simple form

I must interlace
you must interlace
he must interlace
we must interlace
you must interlace
they must interlace

V-ing form

I must be interlacing
you must be interlacing
he must be interlacing
we must be interlacing
you must be interlacing
they must be interlacing

Perfect

I must have interlaced
you must have interlaced
he must have interlaced
we must have interlaced
you must have interlaced
they must have interlaced

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I interlace?
must you interlace?
must he interlace?
must we interlace?
must you interlace?
must they interlace?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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