English verb conjugation MUST UNTANGLE

Regular verb: untangle - untangled - untangled

Affirmation

Simple form

I must untangle
you must untangle
he must untangle
we must untangle
you must untangle
they must untangle

V-ing form

I must be untangling
you must be untangling
he must be untangling
we must be untangling
you must be untangling
they must be untangling

Perfect

I must have untangled
you must have untangled
he must have untangled
we must have untangled
you must have untangled
they must have untangled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I untangle?
must you untangle?
must he untangle?
must we untangle?
must you untangle?
must they untangle?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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