Conjugación del verbo inglés
COULD DIFFERENTIATE

Verbo regular: differentiate - differentiated - differentiated

Afirmación

Forma simple	Forma con V-ing
I could differentiate you could differentiate he could differentiate we could differentiate you could differentiate they could differentiate	I could be differentiating you could be differentiating he could be differentiating we could be differentiating you could be differentiating they could be differentiating
Perfecto	Perfecto con V-ing
I could have differentiated you could have differentiated he could have differentiated we could have differentiated you could have differentiated they could have differentiated	I could have been differentiating you could have been differentiating he could have been differentiating we could have been differentiating you could have been differentiating they could have been differentiating

Negación

Forma simple	Forma con V-ing
I couldn't differentiate you couldn't differentiate he couldn't differentiate we couldn't differentiate you couldn't differentiate they couldn't differentiate	I couldn't be differentiating you couldn't be differentiating he couldn't be differentiating we couldn't be differentiating you couldn't be differentiating they couldn't be differentiating
Perfecto	Perfecto con V-ing
I couldn't have differentiated you couldn't have differentiated he couldn't have differentiated we couldn't have differentiated you couldn't have differentiated they couldn't have differentiated	I couldn't have been differentiating you couldn't have been differentiating he couldn't have been differentiating we couldn't have been differentiating you couldn't have been differentiating they couldn't have been differentiating

Forma interrogativa

Forma simple	Forma con V-ing
could I differentiate? could you differentiate? could he differentiate? could we differentiate? could you differentiate? could they differentiate?	could I be differentiating? could you be differentiating? could he be differentiating? could we be differentiating? could you be differentiating? could they be differentiating?
Perfecto	Perfecto con V-ing
could I have differentiated? could you have differentiated? could he have differentiated? could we have differentiated? could you have differentiated? could they have differentiated?	could I have been differentiating? could you have been differentiating? could he have been differentiating? could we have been differentiating? could you have been differentiating? could they have been differentiating?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I differentiate? couldn't you differentiate? couldn't he differentiate? couldn't we differentiate? couldn't you differentiate? couldn't they differentiate?	couldn't I be differentiating? couldn't you be differentiating? couldn't he be differentiating? couldn't we be differentiating? couldn't you be differentiating? couldn't they be differentiating?
Perfecto	Perfecto con V-ing
couldn't I have differentiated? couldn't you have differentiated? couldn't he have differentiated? couldn't we have differentiated? couldn't you have differentiated? couldn't they have differentiated?	couldn't I have been differentiating? couldn't you have been differentiating? couldn't he have been differentiating? couldn't we have been differentiating? couldn't you have been differentiating? couldn't they have been differentiating?