could guest-star
Verbo regular: guest-star - guest-stared- guest-stared

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could guest-star
you could guest-star
he could guest-star
we could guest-star
you could guest-star
they could guest-star 	I could be guest-staring
you could be guest-staring
he could be guest-staring
we could be guest-staring
you could be guest-staring
they could be guest-staring	I could have guest-stared
you could have guest-stared
he could have guest-stared
we could have guest-stared
you could have guest-stared
they could have guest-stared	I could have been guest-staring
you could have been guest-staring
he could have been guest-staring
we could have been guest-staring
you could have been guest-staring
they could have been guest-staring	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not guest-star
you could not guest-star
he could not guest-star
we could not guest-star
you could not guest-star
they could not guest-star 	I could not be guest-staring
you could not be guest-staring
he could not be guest-staring
we could not be guest-staring
you could not be guest-staring
they could not be guest-staring	I could not have guest-stared
you could not have guest-stared
he could not have guest-stared
we could not have guest-stared
you could not have guest-stared
they could not have guest-stared	I could not have been guest-staring
you could not have been guest-staring
he could not have been guest-staring
we could not have been guest-staring
you could not have been guest-staring
they could not have been guest-staring	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I guest-star?
could you guest-star?
could he guest-star?
could we guest-star?
could you guest-star?
could they guest-star? 	could I be guest-staring?
could you be guest-staring?
could he be guest-staring?
could we be guest-staring?
could you be guest-staring?
could they be guest-staring? 	could I have guest-stared?
could you have guest-stared?
could he have guest-stared?
could we have guest-stared?
could you have guest-stared?
could they have guest-stared? 	could I have been guest-staring?
could you have been guest-staring?
could he have been guest-staring?
could we have been guest-staring?
could you have been guest-staring?
could they have been guest-staring? 	

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