Conjugación del verbo inglés
COULD FLAIL

Verbo regular: flail - flailed - flailed

Afirmación

Forma simple	Forma con V-ing
I could flail you could flail he could flail we could flail you could flail they could flail	I could be flailing you could be flailing he could be flailing we could be flailing you could be flailing they could be flailing
Perfecto	Perfecto con V-ing
I could have flailed you could have flailed he could have flailed we could have flailed you could have flailed they could have flailed	I could have been flailing you could have been flailing he could have been flailing we could have been flailing you could have been flailing they could have been flailing

Negación

Forma simple	Forma con V-ing
I could not flail you could not flail he could not flail we could not flail you could not flail they could not flail	I could not be flailing you could not be flailing he could not be flailing we could not be flailing you could not be flailing they could not be flailing
Perfecto	Perfecto con V-ing
I could not have flailed you could not have flailed he could not have flailed we could not have flailed you could not have flailed they could not have flailed	I could not have been flailing you could not have been flailing he could not have been flailing we could not have been flailing you could not have been flailing they could not have been flailing

Forma interrogativa

Forma simple	Forma con V-ing
could I flail? could you flail? could he flail? could we flail? could you flail? could they flail?	could I be flailing? could you be flailing? could he be flailing? could we be flailing? could you be flailing? could they be flailing?
Perfecto	Perfecto con V-ing
could I have flailed? could you have flailed? could he have flailed? could we have flailed? could you have flailed? could they have flailed?	could I have been flailing? could you have been flailing? could he have been flailing? could we have been flailing? could you have been flailing? could they have been flailing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not flail? could you not flail? could he not flail? could we not flail? could you not flail? could they not flail?	could I not be flailing? could you not be flailing? could he not be flailing? could we not be flailing? could you not be flailing? could they not be flailing?
Perfecto	Perfecto con V-ing
could I not have flailed? could you not have flailed? could he not have flailed? could we not have flailed? could you not have flailed? could they not have flailed?	could I not have been flailing? could you not have been flailing? could he not have been flailing? could we not have been flailing? could you not have been flailing? could they not have been flailing?