must untuck
Verbo regular: untuck - untucked- untucked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must untuck
you must untuck
he must untuck
we must untuck
you must untuck
they must untuck 	I must be untucking
you must be untucking
he must be untucking
we must be untucking
you must be untucking
they must be untucking	I must have untucked
you must have untucked
he must have untucked
we must have untucked
you must have untucked
they must have untucked	I must have been untucking
you must have been untucking
he must have been untucking
we must have been untucking
you must have been untucking
they must have been untucking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not untuck
you must not untuck
he must not untuck
we must not untuck
you must not untuck
they must not untuck 	I must not be untucking
you must not be untucking
he must not be untucking
we must not be untucking
you must not be untucking
they must not be untucking	I must not have untucked
you must not have untucked
he must not have untucked
we must not have untucked
you must not have untucked
they must not have untucked	I must not have been untucking
you must not have been untucking
he must not have been untucking
we must not have been untucking
you must not have been untucking
they must not have been untucking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I untuck?
must you untuck?
must he untuck?
must we untuck?
must you untuck?
must they untuck? 	must I be untucking?
must you be untucking?
must he be untucking?
must we be untucking?
must you be untucking?
must they be untucking? 	must I have untucked?
must you have untucked?
must he have untucked?
must we have untucked?
must you have untucked?
must they have untucked? 	must I have been untucking?
must you have been untucking?
must he have been untucking?
must we have been untucking?
must you have been untucking?
must they have been untucking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not untuck?
must you not untuck?
must he not untuck?
must we not untuck?
must you not untuck?
must they not untuck? 	must I not be untucking?
must you not be untucking?
must he not be untucking?
must we not be untucking?
must you not be untucking?
must they not be untucking? 	must I not have untucked?
must you not have untucked?
must he not have untucked?
must we not have untucked?
must you not have untucked?
must they not have untucked? 	must I not have been untucking?
must you not have been untucking?
must he not have been untucking?
must we not have been untucking?
must you not have been untucking?
must they not have been untucking?