English verb conjugation
MUST FILIGREE

Regular verb: filigree - filigreed - filigreed

Affirmation

Simple form	V-ing form
I must filigree you must filigree she must filigree we must filigree you must filigree they must filigree	I must be filigreeing you must be filigreeing she must be filigreeing we must be filigreeing you must be filigreeing they must be filigreeing
Perfect	V-ing perfect
I must have filigreed you must have filigreed she must have filigreed we must have filigreed you must have filigreed they must have filigreed	I must have been filigreeing you must have been filigreeing she must have been filigreeing we must have been filigreeing you must have been filigreeing they must have been filigreeing

Negation

Simple form	V-ing form
I mustn't filigree you mustn't filigree she mustn't filigree we mustn't filigree you mustn't filigree they mustn't filigree	I mustn't be filigreeing you mustn't be filigreeing she mustn't be filigreeing we mustn't be filigreeing you mustn't be filigreeing they mustn't be filigreeing
Perfect	V-ing perfect
I mustn't have filigreed you mustn't have filigreed she mustn't have filigreed we mustn't have filigreed you mustn't have filigreed they mustn't have filigreed	I mustn't have been filigreeing you mustn't have been filigreeing she mustn't have been filigreeing we mustn't have been filigreeing you mustn't have been filigreeing they mustn't have been filigreeing

Interrogative form

Simple form	V-ing form
must I filigree? must you filigree? must she filigree? must we filigree? must you filigree? must they filigree?	must I be filigreeing? must you be filigreeing? must she be filigreeing? must we be filigreeing? must you be filigreeing? must they be filigreeing?
Perfect	V-ing perfect
must I have filigreed? must you have filigreed? must she have filigreed? must we have filigreed? must you have filigreed? must they have filigreed?	must I have been filigreeing? must you have been filigreeing? must she have been filigreeing? must we have been filigreeing? must you have been filigreeing? must they have been filigreeing?

Interro-negative form

Simple form	V-ing form
mustn't I filigree? mustn't you filigree? mustn't she filigree? mustn't we filigree? mustn't you filigree? mustn't they filigree?	mustn't I be filigreeing? mustn't you be filigreeing? mustn't she be filigreeing? mustn't we be filigreeing? mustn't you be filigreeing? mustn't they be filigreeing?
Perfect	V-ing perfect
mustn't I have filigreed? mustn't you have filigreed? mustn't she have filigreed? mustn't we have filigreed? mustn't you have filigreed? mustn't they have filigreed?	mustn't I have been filigreeing? mustn't you have been filigreeing? mustn't she have been filigreeing? mustn't we have been filigreeing? mustn't you have been filigreeing? mustn't they have been filigreeing?