Conjugación del verbo inglés
COULD UNSTITCH

Verbo regular: unstitch - unstitched - unstitched

Afirmación

Forma simple	Forma con V-ing
I could unstitch you could unstitch he could unstitch we could unstitch you could unstitch they could unstitch	I could be unstitching you could be unstitching he could be unstitching we could be unstitching you could be unstitching they could be unstitching
Perfecto	Perfecto con V-ing
I could have unstitched you could have unstitched he could have unstitched we could have unstitched you could have unstitched they could have unstitched	I could have been unstitching you could have been unstitching he could have been unstitching we could have been unstitching you could have been unstitching they could have been unstitching

Negación

Forma simple	Forma con V-ing
I could not unstitch you could not unstitch he could not unstitch we could not unstitch you could not unstitch they could not unstitch	I could not be unstitching you could not be unstitching he could not be unstitching we could not be unstitching you could not be unstitching they could not be unstitching
Perfecto	Perfecto con V-ing
I could not have unstitched you could not have unstitched he could not have unstitched we could not have unstitched you could not have unstitched they could not have unstitched	I could not have been unstitching you could not have been unstitching he could not have been unstitching we could not have been unstitching you could not have been unstitching they could not have been unstitching

Forma interrogativa

Forma simple	Forma con V-ing
could I unstitch? could you unstitch? could he unstitch? could we unstitch? could you unstitch? could they unstitch?	could I be unstitching? could you be unstitching? could he be unstitching? could we be unstitching? could you be unstitching? could they be unstitching?
Perfecto	Perfecto con V-ing
could I have unstitched? could you have unstitched? could he have unstitched? could we have unstitched? could you have unstitched? could they have unstitched?	could I have been unstitching? could you have been unstitching? could he have been unstitching? could we have been unstitching? could you have been unstitching? could they have been unstitching?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not unstitch? could you not unstitch? could he not unstitch? could we not unstitch? could you not unstitch? could they not unstitch?	could I not be unstitching? could you not be unstitching? could he not be unstitching? could we not be unstitching? could you not be unstitching? could they not be unstitching?
Perfecto	Perfecto con V-ing
could I not have unstitched? could you not have unstitched? could he not have unstitched? could we not have unstitched? could you not have unstitched? could they not have unstitched?	could I not have been unstitching? could you not have been unstitching? could he not have been unstitching? could we not have been unstitching? could you not have been unstitching? could they not have been unstitching?