I could diagram you could diagram he could diagram we could diagram you could diagram they could diagram
Forma con V-ing
I could be diagraming you could be diagraming he could be diagraming we could be diagraming you could be diagraming they could be diagraming
Perfetto
I could have diagramed you could have diagramed he could have diagramed we could have diagramed you could have diagramed they could have diagramed
Perfetto con V-ing
I could have been diagraming you could have been diagraming he could have been diagraming we could have been diagraming you could have been diagraming they could have been diagraming
Negazione
Forma semplice
I couldn't diagram you couldn't diagram he couldn't diagram we couldn't diagram you couldn't diagram they couldn't diagram
Forma con V-ing
I couldn't be diagraming you couldn't be diagraming he couldn't be diagraming we couldn't be diagraming you couldn't be diagraming they couldn't be diagraming
Perfetto
I couldn't have diagramed you couldn't have diagramed he couldn't have diagramed we couldn't have diagramed you couldn't have diagramed they couldn't have diagramed
Perfetto con V-ing
I couldn't have been diagraming you couldn't have been diagraming he couldn't have been diagraming we couldn't have been diagraming you couldn't have been diagraming they couldn't have been diagraming
Forma interrogativa
Forma semplice
could I diagram? could you diagram? could he diagram? could we diagram? could you diagram? could they diagram?
Forma con V-ing
could I be diagraming? could you be diagraming? could he be diagraming? could we be diagraming? could you be diagraming? could they be diagraming?
Perfetto
could I have diagramed? could you have diagramed? could he have diagramed? could we have diagramed? could you have diagramed? could they have diagramed?
Perfetto con V-ing
could I have been diagraming? could you have been diagraming? could he have been diagraming? could we have been diagraming? could you have been diagraming? could they have been diagraming?
Forma interro-negativa
Forma semplice
couldn't I diagram? couldn't you diagram? couldn't he diagram? couldn't we diagram? couldn't you diagram? couldn't they diagram?
Forma con V-ing
couldn't I be diagraming? couldn't you be diagraming? couldn't he be diagraming? couldn't we be diagraming? couldn't you be diagraming? couldn't they be diagraming?
Perfetto
couldn't I have diagramed? couldn't you have diagramed? couldn't he have diagramed? couldn't we have diagramed? couldn't you have diagramed? couldn't they have diagramed?
Perfetto con V-ing
couldn't I have been diagraming? couldn't you have been diagraming? couldn't he have been diagraming? couldn't we have been diagraming? couldn't you have been diagraming? couldn't they have been diagraming?