could search
Verbo regular: search - searched- searched

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could search
you could search
he could search
we could search
you could search
they could search 	I could be searching
you could be searching
he could be searching
we could be searching
you could be searching
they could be searching	I could have searched
you could have searched
he 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
he could have been searching
we could have been searching
you could have been searching
they could have been searching	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't search
you couldn't search
he couldn't search
we couldn't search
you couldn't search
they couldn't search 	I couldn't be searching
you couldn't be searching
he couldn't be searching
we couldn't be searching
you couldn't be searching
they couldn't be searching	I couldn't have searched
you couldn't have searched
he couldn't have searched
we couldn't have searched
you couldn't have searched
they couldn't have searched	I couldn't have been searching
you couldn't have been searching
he couldn't have been searching
we couldn't have been searching
you couldn't have been searching
they couldn't have been searching	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I search?
could you search?
could he search?
could we search?
could you search?
could they search? 	could I be searching?
could you be searching?
could he be searching?
could we be searching?
could you be searching?
could they be searching? 	could I have searched?
could you have searched?
could he 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 he have been searching?
could we have been searching?
could you have been searching?
could they have been searching? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I search?
couldn't you search?
couldn't he search?
couldn't we search?
couldn't you search?
couldn't they search? 	couldn't I be searching?
couldn't you be searching?
couldn't he be searching?
couldn't we be searching?
couldn't you be searching?
couldn't they be searching? 	couldn't I have searched?
couldn't you have searched?
couldn't he have searched?
couldn't we have searched?
couldn't you have searched?
couldn't they have searched? 	couldn't I have been searching?
couldn't you have been searching?
couldn't he have been searching?
couldn't we have been searching?
couldn't you have been searching?
couldn't they have been searching?