I must task you must task he must task we must task you must task they must task
Forma con V-ing
I must be tasking you must be tasking he must be tasking we must be tasking you must be tasking they must be tasking
Perfecto
I must have tasked you must have tasked he must have tasked we must have tasked you must have tasked they must have tasked
Perfecto con V-ing
I must have been tasking you must have been tasking he must have been tasking we must have been tasking you must have been tasking they must have been tasking
Negación
Forma simple
I must not task you must not task he must not task we must not task you must not task they must not task
Forma con V-ing
I must not be tasking you must not be tasking he must not be tasking we must not be tasking you must not be tasking they must not be tasking
Perfecto
I must not have tasked you must not have tasked he must not have tasked we must not have tasked you must not have tasked they must not have tasked
Perfecto con V-ing
I must not have been tasking you must not have been tasking he must not have been tasking we must not have been tasking you must not have been tasking they must not have been tasking
Forma interrogativa
Forma simple
must I task? must you task? must he task? must we task? must you task? must they task?
Forma con V-ing
must I be tasking? must you be tasking? must he be tasking? must we be tasking? must you be tasking? must they be tasking?
Perfecto
must I have tasked? must you have tasked? must he have tasked? must we have tasked? must you have tasked? must they have tasked?
Perfecto con V-ing
must I have been tasking? must you have been tasking? must he have been tasking? must we have been tasking? must you have been tasking? must they have been tasking?
Forma interro-negativa
Forma simple
must I not task? must you not task? must he not task? must we not task? must you not task? must they not task?
Forma con V-ing
must I not be tasking? must you not be tasking? must he not be tasking? must we not be tasking? must you not be tasking? must they not be tasking?
Perfecto
must I not have tasked? must you not have tasked? must he not have tasked? must we not have tasked? must you not have tasked? must they not have tasked?
Perfecto con V-ing
must I not have been tasking? must you not have been tasking? must he not have been tasking? must we not have been tasking? must you not have been tasking? must they not have been tasking?