Conjugación del verbo inglés
COULD SPRAIN

Verbo regular: sprain - sprained - sprained

Afirmación

Forma simple	Forma con V-ing
I could sprain you could sprain she could sprain we could sprain you could sprain they could sprain	I could be spraining you could be spraining she could be spraining we could be spraining you could be spraining they could be spraining
Perfecto	Perfecto con V-ing
I could have sprained you could have sprained she could have sprained we could have sprained you could have sprained they could have sprained	I could have been spraining you could have been spraining she could have been spraining we could have been spraining you could have been spraining they could have been spraining

Negación

Forma simple	Forma con V-ing
I could not sprain you could not sprain she could not sprain we could not sprain you could not sprain they could not sprain	I could not be spraining you could not be spraining she could not be spraining we could not be spraining you could not be spraining they could not be spraining
Perfecto	Perfecto con V-ing
I could not have sprained you could not have sprained she could not have sprained we could not have sprained you could not have sprained they could not have sprained	I could not have been spraining you could not have been spraining she could not have been spraining we could not have been spraining you could not have been spraining they could not have been spraining

Forma interrogativa

Forma simple	Forma con V-ing
could I sprain? could you sprain? could she sprain? could we sprain? could you sprain? could they sprain?	could I be spraining? could you be spraining? could she be spraining? could we be spraining? could you be spraining? could they be spraining?
Perfecto	Perfecto con V-ing
could I have sprained? could you have sprained? could she have sprained? could we have sprained? could you have sprained? could they have sprained?	could I have been spraining? could you have been spraining? could she have been spraining? could we have been spraining? could you have been spraining? could they have been spraining?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not sprain? could you not sprain? could she not sprain? could we not sprain? could you not sprain? could they not sprain?	could I not be spraining? could you not be spraining? could she not be spraining? could we not be spraining? could you not be spraining? could they not be spraining?
Perfecto	Perfecto con V-ing
could I not have sprained? could you not have sprained? could she not have sprained? could we not have sprained? could you not have sprained? could they not have sprained?	could I not have been spraining? could you not have been spraining? could she not have been spraining? could we not have been spraining? could you not have been spraining? could they not have been spraining?