must unhitch
Verbo regular: unhitch - unhitched- unhitched

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must unhitch
you must unhitch
he must unhitch
we must unhitch
you must unhitch
they must unhitch 	I must be unhitching
you must be unhitching
he must be unhitching
we must be unhitching
you must be unhitching
they must be unhitching	I must have unhitched
you must have unhitched
he must have unhitched
we must have unhitched
you must have unhitched
they must have unhitched	I must have been unhitching
you must have been unhitching
he must have been unhitching
we must have been unhitching
you must have been unhitching
they must have been unhitching	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not unhitch
you must not unhitch
he must not unhitch
we must not unhitch
you must not unhitch
they must not unhitch 	I must not be unhitching
you must not be unhitching
he must not be unhitching
we must not be unhitching
you must not be unhitching
they must not be unhitching	I must not have unhitched
you must not have unhitched
he must not have unhitched
we must not have unhitched
you must not have unhitched
they must not have unhitched	I must not have been unhitching
you must not have been unhitching
he must not have been unhitching
we must not have been unhitching
you must not have been unhitching
they must not have been unhitching	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I unhitch?
must you unhitch?
must he unhitch?
must we unhitch?
must you unhitch?
must they unhitch? 	must I be unhitching?
must you be unhitching?
must he be unhitching?
must we be unhitching?
must you be unhitching?
must they be unhitching? 	must I have unhitched?
must you have unhitched?
must he have unhitched?
must we have unhitched?
must you have unhitched?
must they have unhitched? 	must I have been unhitching?
must you have been unhitching?
must he have been unhitching?
must we have been unhitching?
must you have been unhitching?
must they have been unhitching? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not unhitch?
must you not unhitch?
must he not unhitch?
must we not unhitch?
must you not unhitch?
must they not unhitch? 	must I not be unhitching?
must you not be unhitching?
must he not be unhitching?
must we not be unhitching?
must you not be unhitching?
must they not be unhitching? 	must I not have unhitched?
must you not have unhitched?
must he not have unhitched?
must we not have unhitched?
must you not have unhitched?
must they not have unhitched? 	must I not have been unhitching?
must you not have been unhitching?
must he not have been unhitching?
must we not have been unhitching?
must you not have been unhitching?
must they not have been unhitching?