must filigree
Verbo regular: filigree - filigreed- filigreed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must filigree
you must filigree
he must filigree
we must filigree
you must filigree
they must filigree 	I must be filigreeing
you must be filigreeing
he must be filigreeing
we must be filigreeing
you must be filigreeing
they must be filigreeing	I must have filigreed
you must have filigreed
he 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
he must have been filigreeing
we must have been filigreeing
you must have been filigreeing
they must have been filigreeing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not filigree
you must not filigree
he must not filigree
we must not filigree
you must not filigree
they must not filigree 	I must not be filigreeing
you must not be filigreeing
he must not be filigreeing
we must not be filigreeing
you must not be filigreeing
they must not be filigreeing	I must not have filigreed
you must not have filigreed
he must not have filigreed
we must not have filigreed
you must not have filigreed
they must not have filigreed	I must not have been filigreeing
you must not have been filigreeing
he must not have been filigreeing
we must not have been filigreeing
you must not have been filigreeing
they must not have been filigreeing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I filigree?
must you filigree?
must he filigree?
must we filigree?
must you filigree?
must they filigree? 	must I be filigreeing?
must you be filigreeing?
must he be filigreeing?
must we be filigreeing?
must you be filigreeing?
must they be filigreeing? 	must I have filigreed?
must you have filigreed?
must he 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 he have been filigreeing?
must we have been filigreeing?
must you have been filigreeing?
must they have been filigreeing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not filigree?
must you not filigree?
must he not filigree?
must we not filigree?
must you not filigree?
must they not filigree? 	must I not be filigreeing?
must you not be filigreeing?
must he not be filigreeing?
must we not be filigreeing?
must you not be filigreeing?
must they not be filigreeing? 	must I not have filigreed?
must you not have filigreed?
must he not have filigreed?
must we not have filigreed?
must you not have filigreed?
must they not have filigreed? 	must I not have been filigreeing?
must you not have been filigreeing?
must he not have been filigreeing?
must we not have been filigreeing?
must you not have been filigreeing?
must they not have been filigreeing?