Conjugación del verbo inglés
MUST UNTHREAD

Verbo regular: unthread - unthreaded - unthreaded

Afirmación

Forma simple	Forma con V-ing
I must unthread you must unthread he must unthread we must unthread you must unthread they must unthread	I must be unthreading you must be unthreading he must be unthreading we must be unthreading you must be unthreading they must be unthreading
Perfecto	Perfecto con V-ing
I must have unthreaded you must have unthreaded he must have unthreaded we must have unthreaded you must have unthreaded they must have unthreaded	I must have been unthreading you must have been unthreading he must have been unthreading we must have been unthreading you must have been unthreading they must have been unthreading

Negación

Forma simple	Forma con V-ing
I must not unthread you must not unthread he must not unthread we must not unthread you must not unthread they must not unthread	I must not be unthreading you must not be unthreading he must not be unthreading we must not be unthreading you must not be unthreading they must not be unthreading
Perfecto	Perfecto con V-ing
I must not have unthreaded you must not have unthreaded he must not have unthreaded we must not have unthreaded you must not have unthreaded they must not have unthreaded	I must not have been unthreading you must not have been unthreading he must not have been unthreading we must not have been unthreading you must not have been unthreading they must not have been unthreading

Forma interrogativa

Forma simple	Forma con V-ing
must I unthread? must you unthread? must he unthread? must we unthread? must you unthread? must they unthread?	must I be unthreading? must you be unthreading? must he be unthreading? must we be unthreading? must you be unthreading? must they be unthreading?
Perfecto	Perfecto con V-ing
must I have unthreaded? must you have unthreaded? must he have unthreaded? must we have unthreaded? must you have unthreaded? must they have unthreaded?	must I have been unthreading? must you have been unthreading? must he have been unthreading? must we have been unthreading? must you have been unthreading? must they have been unthreading?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not unthread? must you not unthread? must he not unthread? must we not unthread? must you not unthread? must they not unthread?	must I not be unthreading? must you not be unthreading? must he not be unthreading? must we not be unthreading? must you not be unthreading? must they not be unthreading?
Perfecto	Perfecto con V-ing
must I not have unthreaded? must you not have unthreaded? must he not have unthreaded? must we not have unthreaded? must you not have unthreaded? must they not have unthreaded?	must I not have been unthreading? must you not have been unthreading? must he not have been unthreading? must we not have been unthreading? must you not have been unthreading? must they not have been unthreading?