Conjugación del verbo inglés
COULD CO-STAR

Verbo regular: co-star - co-stared - co-stared

Afirmación

Forma simple	Forma con V-ing
I could co-star you could co-star he could co-star we could co-star you could co-star they could co-star	I could be co-staring you could be co-staring he could be co-staring we could be co-staring you could be co-staring they could be co-staring
Perfecto	Perfecto con V-ing
I could have co-stared you could have co-stared he could have co-stared we could have co-stared you could have co-stared they could have co-stared	I could have been co-staring you could have been co-staring he could have been co-staring we could have been co-staring you could have been co-staring they could have been co-staring

Negación

Forma simple	Forma con V-ing
I could not co-star you could not co-star he could not co-star we could not co-star you could not co-star they could not co-star	I could not be co-staring you could not be co-staring he could not be co-staring we could not be co-staring you could not be co-staring they could not be co-staring
Perfecto	Perfecto con V-ing
I could not have co-stared you could not have co-stared he could not have co-stared we could not have co-stared you could not have co-stared they could not have co-stared	I could not have been co-staring you could not have been co-staring he could not have been co-staring we could not have been co-staring you could not have been co-staring they could not have been co-staring

Forma interrogativa

Forma simple	Forma con V-ing
could I co-star? could you co-star? could he co-star? could we co-star? could you co-star? could they co-star?	could I be co-staring? could you be co-staring? could he be co-staring? could we be co-staring? could you be co-staring? could they be co-staring?
Perfecto	Perfecto con V-ing
could I have co-stared? could you have co-stared? could he have co-stared? could we have co-stared? could you have co-stared? could they have co-stared?	could I have been co-staring? could you have been co-staring? could he have been co-staring? could we have been co-staring? could you have been co-staring? could they have been co-staring?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not co-star? could you not co-star? could he not co-star? could we not co-star? could you not co-star? could they not co-star?	could I not be co-staring? could you not be co-staring? could he not be co-staring? could we not be co-staring? could you not be co-staring? could they not be co-staring?
Perfecto	Perfecto con V-ing
could I not have co-stared? could you not have co-stared? could he not have co-stared? could we not have co-stared? could you not have co-stared? could they not have co-stared?	could I not have been co-staring? could you not have been co-staring? could he not have been co-staring? could we not have been co-staring? could you not have been co-staring? could they not have been co-staring?