I could sharpen you could sharpen she could sharpen we could sharpen you could sharpen they could sharpen
Forma con V-ing
I could be sharpening you could be sharpening she could be sharpening we could be sharpening you could be sharpening they could be sharpening
Perfetto
I could have sharpened you could have sharpened she could have sharpened we could have sharpened you could have sharpened they could have sharpened
Perfetto con V-ing
I could have been sharpening you could have been sharpening she could have been sharpening we could have been sharpening you could have been sharpening they could have been sharpening
Negazione
Forma semplice
I couldn't sharpen you couldn't sharpen she couldn't sharpen we couldn't sharpen you couldn't sharpen they couldn't sharpen
Forma con V-ing
I couldn't be sharpening you couldn't be sharpening she couldn't be sharpening we couldn't be sharpening you couldn't be sharpening they couldn't be sharpening
Perfetto
I couldn't have sharpened you couldn't have sharpened she couldn't have sharpened we couldn't have sharpened you couldn't have sharpened they couldn't have sharpened
Perfetto con V-ing
I couldn't have been sharpening you couldn't have been sharpening she couldn't have been sharpening we couldn't have been sharpening you couldn't have been sharpening they couldn't have been sharpening
Forma interrogativa
Forma semplice
could I sharpen? could you sharpen? could she sharpen? could we sharpen? could you sharpen? could they sharpen?
Forma con V-ing
could I be sharpening? could you be sharpening? could she be sharpening? could we be sharpening? could you be sharpening? could they be sharpening?
Perfetto
could I have sharpened? could you have sharpened? could she have sharpened? could we have sharpened? could you have sharpened? could they have sharpened?
Perfetto con V-ing
could I have been sharpening? could you have been sharpening? could she have been sharpening? could we have been sharpening? could you have been sharpening? could they have been sharpening?
Forma interro-negativa
Forma semplice
couldn't I sharpen? couldn't you sharpen? couldn't she sharpen? couldn't we sharpen? couldn't you sharpen? couldn't they sharpen?
Forma con V-ing
couldn't I be sharpening? couldn't you be sharpening? couldn't she be sharpening? couldn't we be sharpening? couldn't you be sharpening? couldn't they be sharpening?
Perfetto
couldn't I have sharpened? couldn't you have sharpened? couldn't she have sharpened? couldn't we have sharpened? couldn't you have sharpened? couldn't they have sharpened?
Perfetto con V-ing
couldn't I have been sharpening? couldn't you have been sharpening? couldn't she have been sharpening? couldn't we have been sharpening? couldn't you have been sharpening? couldn't they have been sharpening?