English verb conjugation
MUST TANGLE

Regular verb: tangle - tangled - tangled

Affirmation

Simple form	V-ing form
I must tangle you must tangle she must tangle we must tangle you must tangle they must tangle	I must be tangling you must be tangling she must be tangling we must be tangling you must be tangling they must be tangling
Perfect	V-ing perfect
I must have tangled you must have tangled she must have tangled we must have tangled you must have tangled they must have tangled	I must have been tangling you must have been tangling she must have been tangling we must have been tangling you must have been tangling they must have been tangling

Negation

Simple form	V-ing form
I mustn't tangle you mustn't tangle she mustn't tangle we mustn't tangle you mustn't tangle they mustn't tangle	I mustn't be tangling you mustn't be tangling she mustn't be tangling we mustn't be tangling you mustn't be tangling they mustn't be tangling
Perfect	V-ing perfect
I mustn't have tangled you mustn't have tangled she mustn't have tangled we mustn't have tangled you mustn't have tangled they mustn't have tangled	I mustn't have been tangling you mustn't have been tangling she mustn't have been tangling we mustn't have been tangling you mustn't have been tangling they mustn't have been tangling

Interrogative form

Simple form	V-ing form
must I tangle? must you tangle? must she tangle? must we tangle? must you tangle? must they tangle?	must I be tangling? must you be tangling? must she be tangling? must we be tangling? must you be tangling? must they be tangling?
Perfect	V-ing perfect
must I have tangled? must you have tangled? must she have tangled? must we have tangled? must you have tangled? must they have tangled?	must I have been tangling? must you have been tangling? must she have been tangling? must we have been tangling? must you have been tangling? must they have been tangling?

Interro-negative form

Simple form	V-ing form
mustn't I tangle? mustn't you tangle? mustn't she tangle? mustn't we tangle? mustn't you tangle? mustn't they tangle?	mustn't I be tangling? mustn't you be tangling? mustn't she be tangling? mustn't we be tangling? mustn't you be tangling? mustn't they be tangling?
Perfect	V-ing perfect
mustn't I have tangled? mustn't you have tangled? mustn't she have tangled? mustn't we have tangled? mustn't you have tangled? mustn't they have tangled?	mustn't I have been tangling? mustn't you have been tangling? mustn't she have been tangling? mustn't we have been tangling? mustn't you have been tangling? mustn't they have been tangling?