must overlabor
Verbo regular: overlabor - overlabored- overlabored

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must overlabor
you must overlabor
he must overlabor
we must overlabor
you must overlabor
they must overlabor 	I must be overlaboring
you must be overlaboring
he must be overlaboring
we must be overlaboring
you must be overlaboring
they must be overlaboring	I must have overlabored
you must have overlabored
he must have overlabored
we must have overlabored
you must have overlabored
they must have overlabored	I must have been overlaboring
you must have been overlaboring
he must have been overlaboring
we must have been overlaboring
you must have been overlaboring
they must have been overlaboring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not overlabor
you must not overlabor
he must not overlabor
we must not overlabor
you must not overlabor
they must not overlabor 	I must not be overlaboring
you must not be overlaboring
he must not be overlaboring
we must not be overlaboring
you must not be overlaboring
they must not be overlaboring	I must not have overlabored
you must not have overlabored
he must not have overlabored
we must not have overlabored
you must not have overlabored
they must not have overlabored	I must not have been overlaboring
you must not have been overlaboring
he must not have been overlaboring
we must not have been overlaboring
you must not have been overlaboring
they must not have been overlaboring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I overlabor?
must you overlabor?
must he overlabor?
must we overlabor?
must you overlabor?
must they overlabor? 	must I be overlaboring?
must you be overlaboring?
must he be overlaboring?
must we be overlaboring?
must you be overlaboring?
must they be overlaboring? 	must I have overlabored?
must you have overlabored?
must he have overlabored?
must we have overlabored?
must you have overlabored?
must they have overlabored? 	must I have been overlaboring?
must you have been overlaboring?
must he have been overlaboring?
must we have been overlaboring?
must you have been overlaboring?
must they have been overlaboring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not overlabor?
must you not overlabor?
must he not overlabor?
must we not overlabor?
must you not overlabor?
must they not overlabor? 	must I not be overlaboring?
must you not be overlaboring?
must he not be overlaboring?
must we not be overlaboring?
must you not be overlaboring?
must they not be overlaboring? 	must I not have overlabored?
must you not have overlabored?
must he not have overlabored?
must we not have overlabored?
must you not have overlabored?
must they not have overlabored? 	must I not have been overlaboring?
must you not have been overlaboring?
must he not have been overlaboring?
must we not have been overlaboring?
must you not have been overlaboring?
must they not have been overlaboring?