I could differentiate you could differentiate he could differentiate we could differentiate you could differentiate they could differentiate
Form mit V-ing
I could be differentiating you could be differentiating he could be differentiating we could be differentiating you could be differentiating they could be differentiating
Perfekt
I could have differentiated you could have differentiated he could have differentiated we could have differentiated you could have differentiated they could have differentiated
Perfekt mit V-ing
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
Negation
Einfache Form
I couldn't differentiate you couldn't differentiate he couldn't differentiate we couldn't differentiate you couldn't differentiate they couldn't differentiate
Form mit V-ing
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
Perfekt
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
Perfekt mit V-ing
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
Fragende Form
Einfache Form
could I differentiate? could you differentiate? could he differentiate? could we differentiate? could you differentiate? could they differentiate?
Form mit V-ing
could I be differentiating? could you be differentiating? could he be differentiating? could we be differentiating? could you be differentiating? could they be differentiating?
Perfekt
could I have differentiated? could you have differentiated? could he have differentiated? could we have differentiated? could you have differentiated? could they have differentiated?
Perfekt mit V-ing
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?
Fragende Negation Form
Einfache Form
couldn't I differentiate? couldn't you differentiate? couldn't he differentiate? couldn't we differentiate? couldn't you differentiate? couldn't they differentiate?
Form mit V-ing
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?
Perfekt
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?
Perfekt mit V-ing
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?