Conjugación del verbo inglés
COULD STAPLE

Verbo regular: staple - stapled - stapled

Afirmación

Forma simple	Forma con V-ing
I could staple you could staple he could staple we could staple you could staple they could staple	I could be stapling you could be stapling he could be stapling we could be stapling you could be stapling they could be stapling
Perfecto	Perfecto con V-ing
I could have stapled you could have stapled he could have stapled we could have stapled you could have stapled they could have stapled	I could have been stapling you could have been stapling he could have been stapling we could have been stapling you could have been stapling they could have been stapling

Negación

Forma simple	Forma con V-ing
I couldn't staple you couldn't staple he couldn't staple we couldn't staple you couldn't staple they couldn't staple	I couldn't be stapling you couldn't be stapling he couldn't be stapling we couldn't be stapling you couldn't be stapling they couldn't be stapling
Perfecto	Perfecto con V-ing
I couldn't have stapled you couldn't have stapled he couldn't have stapled we couldn't have stapled you couldn't have stapled they couldn't have stapled	I couldn't have been stapling you couldn't have been stapling he couldn't have been stapling we couldn't have been stapling you couldn't have been stapling they couldn't have been stapling

Forma interrogativa

Forma simple	Forma con V-ing
could I staple? could you staple? could he staple? could we staple? could you staple? could they staple?	could I be stapling? could you be stapling? could he be stapling? could we be stapling? could you be stapling? could they be stapling?
Perfecto	Perfecto con V-ing
could I have stapled? could you have stapled? could he have stapled? could we have stapled? could you have stapled? could they have stapled?	could I have been stapling? could you have been stapling? could he have been stapling? could we have been stapling? could you have been stapling? could they have been stapling?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I staple? couldn't you staple? couldn't he staple? couldn't we staple? couldn't you staple? couldn't they staple?	couldn't I be stapling? couldn't you be stapling? couldn't he be stapling? couldn't we be stapling? couldn't you be stapling? couldn't they be stapling?
Perfecto	Perfecto con V-ing
couldn't I have stapled? couldn't you have stapled? couldn't he have stapled? couldn't we have stapled? couldn't you have stapled? couldn't they have stapled?	couldn't I have been stapling? couldn't you have been stapling? couldn't he have been stapling? couldn't we have been stapling? couldn't you have been stapling? couldn't they have been stapling?