could stare
Verbo regular: stare - stared- stared

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could stare
you could stare
she could stare
we could stare
you could stare
they could stare 	I could be staring
you could be staring
she could be staring
we could be staring
you could be staring
they could be staring	I could have stared
you could have stared
she could have stared
we could have stared
you could have stared
they could have stared	I could have been staring
you could have been staring
she could have been staring
we could have been staring
you could have been staring
they could have been staring	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not stare
you could not stare
she could not stare
we could not stare
you could not stare
they could not stare 	I could not be staring
you could not be staring
she could not be staring
we could not be staring
you could not be staring
they could not be staring	I could not have stared
you could not have stared
she could not have stared
we could not have stared
you could not have stared
they could not have stared	I could not have been staring
you could not have been staring
she could not have been staring
we could not have been staring
you could not have been staring
they could not have been staring	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I stare?
could you stare?
could she stare?
could we stare?
could you stare?
could they stare? 	could I be staring?
could you be staring?
could she be staring?
could we be staring?
could you be staring?
could they be staring? 	could I have stared?
could you have stared?
could she have stared?
could we have stared?
could you have stared?
could they have stared? 	could I have been staring?
could you have been staring?
could she have been staring?
could we have been staring?
could you have been staring?
could they have been staring? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not stare?
could you not stare?
could she not stare?
could we not stare?
could you not stare?
could they not stare? 	could I not be staring?
could you not be staring?
could she not be staring?
could we not be staring?
could you not be staring?
could they not be staring? 	could I not have stared?
could you not have stared?
could she not have stared?
could we not have stared?
could you not have stared?
could they not have stared? 	could I not have been staring?
could you not have been staring?
could she not have been staring?
could we not have been staring?
could you not have been staring?
could they not have been staring?