Conjugación del verbo inglés
COULD GUARD

Verbo regular: guard - guarded - guarded

Afirmación

Forma simple	Forma con V-ing
I could guard you could guard he could guard we could guard you could guard they could guard	I could be guarding you could be guarding he could be guarding we could be guarding you could be guarding they could be guarding
Perfecto	Perfecto con V-ing
I could have guarded you could have guarded he could have guarded we could have guarded you could have guarded they could have guarded	I could have been guarding you could have been guarding he could have been guarding we could have been guarding you could have been guarding they could have been guarding

Negación

Forma simple	Forma con V-ing
I couldn't guard you couldn't guard he couldn't guard we couldn't guard you couldn't guard they couldn't guard	I couldn't be guarding you couldn't be guarding he couldn't be guarding we couldn't be guarding you couldn't be guarding they couldn't be guarding
Perfecto	Perfecto con V-ing
I couldn't have guarded you couldn't have guarded he couldn't have guarded we couldn't have guarded you couldn't have guarded they couldn't have guarded	I couldn't have been guarding you couldn't have been guarding he couldn't have been guarding we couldn't have been guarding you couldn't have been guarding they couldn't have been guarding

Forma interrogativa

Forma simple	Forma con V-ing
could I guard? could you guard? could he guard? could we guard? could you guard? could they guard?	could I be guarding? could you be guarding? could he be guarding? could we be guarding? could you be guarding? could they be guarding?
Perfecto	Perfecto con V-ing
could I have guarded? could you have guarded? could he have guarded? could we have guarded? could you have guarded? could they have guarded?	could I have been guarding? could you have been guarding? could he have been guarding? could we have been guarding? could you have been guarding? could they have been guarding?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I guard? couldn't you guard? couldn't he guard? couldn't we guard? couldn't you guard? couldn't they guard?	couldn't I be guarding? couldn't you be guarding? couldn't he be guarding? couldn't we be guarding? couldn't you be guarding? couldn't they be guarding?
Perfecto	Perfecto con V-ing
couldn't I have guarded? couldn't you have guarded? couldn't he have guarded? couldn't we have guarded? couldn't you have guarded? couldn't they have guarded?	couldn't I have been guarding? couldn't you have been guarding? couldn't he have been guarding? couldn't we have been guarding? couldn't you have been guarding? couldn't they have been guarding?