could prebuild
Verbo irregular: prebuild - prebuilt- prebuilt

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could prebuild
you could prebuild
he could prebuild
we could prebuild
you could prebuild
they could prebuild 	I could be prebuilding
you could be prebuilding
he could be prebuilding
we could be prebuilding
you could be prebuilding
they could be prebuilding	I could have prebuilt
you could have prebuilt
he could have prebuilt
we could have prebuilt
you could have prebuilt
they could have prebuilt	I could have been prebuilding
you could have been prebuilding
he could have been prebuilding
we could have been prebuilding
you could have been prebuilding
they could have been prebuilding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't prebuild
you couldn't prebuild
he couldn't prebuild
we couldn't prebuild
you couldn't prebuild
they couldn't prebuild 	I couldn't be prebuilding
you couldn't be prebuilding
he couldn't be prebuilding
we couldn't be prebuilding
you couldn't be prebuilding
they couldn't be prebuilding	I couldn't have prebuilt
you couldn't have prebuilt
he couldn't have prebuilt
we couldn't have prebuilt
you couldn't have prebuilt
they couldn't have prebuilt	I couldn't have been prebuilding
you couldn't have been prebuilding
he couldn't have been prebuilding
we couldn't have been prebuilding
you couldn't have been prebuilding
they couldn't have been prebuilding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I prebuild?
could you prebuild?
could he prebuild?
could we prebuild?
could you prebuild?
could they prebuild? 	could I be prebuilding?
could you be prebuilding?
could he be prebuilding?
could we be prebuilding?
could you be prebuilding?
could they be prebuilding? 	could I have prebuilt?
could you have prebuilt?
could he have prebuilt?
could we have prebuilt?
could you have prebuilt?
could they have prebuilt? 	could I have been prebuilding?
could you have been prebuilding?
could he have been prebuilding?
could we have been prebuilding?
could you have been prebuilding?
could they have been prebuilding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I prebuild?
couldn't you prebuild?
couldn't he prebuild?
couldn't we prebuild?
couldn't you prebuild?
couldn't they prebuild? 	couldn't I be prebuilding?
couldn't you be prebuilding?
couldn't he be prebuilding?
couldn't we be prebuilding?
couldn't you be prebuilding?
couldn't they be prebuilding? 	couldn't I have prebuilt?
couldn't you have prebuilt?
couldn't he have prebuilt?
couldn't we have prebuilt?
couldn't you have prebuilt?
couldn't they have prebuilt? 	couldn't I have been prebuilding?
couldn't you have been prebuilding?
couldn't he have been prebuilding?
couldn't we have been prebuilding?
couldn't you have been prebuilding?
couldn't they have been prebuilding?