could search
Verbo regular: search - searched- searched

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could search
you could search
she could search
we could search
you could search
they could search 	I could be searching
you could be searching
she could be searching
we could be searching
you could be searching
they could be searching	I could have searched
you could have searched
she could have searched
we could have searched
you could have searched
they could have searched	I could have been searching
you could have been searching
she could have been searching
we could have been searching
you could have been searching
they could have been searching	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not search
you could not search
she could not search
we could not search
you could not search
they could not search 	I could not be searching
you could not be searching
she could not be searching
we could not be searching
you could not be searching
they could not be searching	I could not have searched
you could not have searched
she could not have searched
we could not have searched
you could not have searched
they could not have searched	I could not have been searching
you could not have been searching
she could not have been searching
we could not have been searching
you could not have been searching
they could not have been searching	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I search?
could you search?
could she search?
could we search?
could you search?
could they search? 	could I be searching?
could you be searching?
could she be searching?
could we be searching?
could you be searching?
could they be searching? 	could I have searched?
could you have searched?
could she have searched?
could we have searched?
could you have searched?
could they have searched? 	could I have been searching?
could you have been searching?
could she have been searching?
could we have been searching?
could you have been searching?
could they have been searching? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not search?
could you not search?
could she not search?
could we not search?
could you not search?
could they not search? 	could I not be searching?
could you not be searching?
could she not be searching?
could we not be searching?
could you not be searching?
could they not be searching? 	could I not have searched?
could you not have searched?
could she not have searched?
could we not have searched?
could you not have searched?
could they not have searched? 	could I not have been searching?
could you not have been searching?
could she not have been searching?
could we not have been searching?
could you not have been searching?
could they not have been searching?