could supervise
Verbo regular: supervise - supervised- supervised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could supervise
you could supervise
he could supervise
we could supervise
you could supervise
they could supervise 	I could be supervising
you could be supervising
he could be supervising
we could be supervising
you could be supervising
they could be supervising	I could have supervised
you could have supervised
he could have supervised
we could have supervised
you could have supervised
they could have supervised	I could have been supervising
you could have been supervising
he could have been supervising
we could have been supervising
you could have been supervising
they could have been supervising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not supervise
you could not supervise
he could not supervise
we could not supervise
you could not supervise
they could not supervise 	I could not be supervising
you could not be supervising
he could not be supervising
we could not be supervising
you could not be supervising
they could not be supervising	I could not have supervised
you could not have supervised
he could not have supervised
we could not have supervised
you could not have supervised
they could not have supervised	I could not have been supervising
you could not have been supervising
he could not have been supervising
we could not have been supervising
you could not have been supervising
they could not have been supervising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I supervise?
could you supervise?
could he supervise?
could we supervise?
could you supervise?
could they supervise? 	could I be supervising?
could you be supervising?
could he be supervising?
could we be supervising?
could you be supervising?
could they be supervising? 	could I have supervised?
could you have supervised?
could he have supervised?
could we have supervised?
could you have supervised?
could they have supervised? 	could I have been supervising?
could you have been supervising?
could he have been supervising?
could we have been supervising?
could you have been supervising?
could they have been supervising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not supervise?
could you not supervise?
could he not supervise?
could we not supervise?
could you not supervise?
could they not supervise? 	could I not be supervising?
could you not be supervising?
could he not be supervising?
could we not be supervising?
could you not be supervising?
could they not be supervising? 	could I not have supervised?
could you not have supervised?
could he not have supervised?
could we not have supervised?
could you not have supervised?
could they not have supervised? 	could I not have been supervising?
could you not have been supervising?
could he not have been supervising?
could we not have been supervising?
could you not have been supervising?
could they not have been supervising?