must forsake
Verbo irregular: forsake - forsook- forsaken

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must forsake
you must forsake
he must forsake
we must forsake
you must forsake
they must forsake 	I must be forsaking
you must be forsaking
he must be forsaking
we must be forsaking
you must be forsaking
they must be forsaking	I must have forsaken
you must have forsaken
he must have forsaken
we must have forsaken
you must have forsaken
they must have forsaken	I must have been forsaking
you must have been forsaking
he must have been forsaking
we must have been forsaking
you must have been forsaking
they must have been forsaking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not forsake
you must not forsake
he must not forsake
we must not forsake
you must not forsake
they must not forsake 	I must not be forsaking
you must not be forsaking
he must not be forsaking
we must not be forsaking
you must not be forsaking
they must not be forsaking	I must not have forsaken
you must not have forsaken
he must not have forsaken
we must not have forsaken
you must not have forsaken
they must not have forsaken	I must not have been forsaking
you must not have been forsaking
he must not have been forsaking
we must not have been forsaking
you must not have been forsaking
they must not have been forsaking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I forsake?
must you forsake?
must he forsake?
must we forsake?
must you forsake?
must they forsake? 	must I be forsaking?
must you be forsaking?
must he be forsaking?
must we be forsaking?
must you be forsaking?
must they be forsaking? 	must I have forsaken?
must you have forsaken?
must he have forsaken?
must we have forsaken?
must you have forsaken?
must they have forsaken? 	must I have been forsaking?
must you have been forsaking?
must he have been forsaking?
must we have been forsaking?
must you have been forsaking?
must they have been forsaking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not forsake?
must you not forsake?
must he not forsake?
must we not forsake?
must you not forsake?
must they not forsake? 	must I not be forsaking?
must you not be forsaking?
must he not be forsaking?
must we not be forsaking?
must you not be forsaking?
must they not be forsaking? 	must I not have forsaken?
must you not have forsaken?
must he not have forsaken?
must we not have forsaken?
must you not have forsaken?
must they not have forsaken? 	must I not have been forsaking?
must you not have been forsaking?
must he not have been forsaking?
must we not have been forsaking?
must you not have been forsaking?
must they not have been forsaking?