Conjugación del verbo inglés
COULD SHIELD

Verbo regular: shield - shielded - shielded

Afirmación

Forma simple	Forma con V-ing
I could shield you could shield he could shield we could shield you could shield they could shield	I could be shielding you could be shielding he could be shielding we could be shielding you could be shielding they could be shielding
Perfecto	Perfecto con V-ing
I could have shielded you could have shielded he could have shielded we could have shielded you could have shielded they could have shielded	I could have been shielding you could have been shielding he could have been shielding we could have been shielding you could have been shielding they could have been shielding

Negación

Forma simple	Forma con V-ing
I couldn't shield you couldn't shield he couldn't shield we couldn't shield you couldn't shield they couldn't shield	I couldn't be shielding you couldn't be shielding he couldn't be shielding we couldn't be shielding you couldn't be shielding they couldn't be shielding
Perfecto	Perfecto con V-ing
I couldn't have shielded you couldn't have shielded he couldn't have shielded we couldn't have shielded you couldn't have shielded they couldn't have shielded	I couldn't have been shielding you couldn't have been shielding he couldn't have been shielding we couldn't have been shielding you couldn't have been shielding they couldn't have been shielding

Forma interrogativa

Forma simple	Forma con V-ing
could I shield? could you shield? could he shield? could we shield? could you shield? could they shield?	could I be shielding? could you be shielding? could he be shielding? could we be shielding? could you be shielding? could they be shielding?
Perfecto	Perfecto con V-ing
could I have shielded? could you have shielded? could he have shielded? could we have shielded? could you have shielded? could they have shielded?	could I have been shielding? could you have been shielding? could he have been shielding? could we have been shielding? could you have been shielding? could they have been shielding?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I shield? couldn't you shield? couldn't he shield? couldn't we shield? couldn't you shield? couldn't they shield?	couldn't I be shielding? couldn't you be shielding? couldn't he be shielding? couldn't we be shielding? couldn't you be shielding? couldn't they be shielding?
Perfecto	Perfecto con V-ing
couldn't I have shielded? couldn't you have shielded? couldn't he have shielded? couldn't we have shielded? couldn't you have shielded? couldn't they have shielded?	couldn't I have been shielding? couldn't you have been shielding? couldn't he have been shielding? couldn't we have been shielding? couldn't you have been shielding? couldn't they have been shielding?