I can sharpen you can sharpen he can sharpen we can sharpen you can sharpen they can sharpen
Form mit V-ing
I can be sharpening you can be sharpening he can be sharpening we can be sharpening you can be sharpening they can be sharpening
Perfekt
I can have sharpened you can have sharpened he can have sharpened we can have sharpened you can have sharpened they can have sharpened
Perfekt mit V-ing
I can have been sharpening you can have been sharpening he can have been sharpening we can have been sharpening you can have been sharpening they can have been sharpening
Negation
Einfache Form
I can't sharpen you can't sharpen he can't sharpen we can't sharpen you can't sharpen they can't sharpen
Form mit V-ing
I can't be sharpening you can't be sharpening he can't be sharpening we can't be sharpening you can't be sharpening they can't be sharpening
Perfekt
I can't have sharpened you can't have sharpened he can't have sharpened we can't have sharpened you can't have sharpened they can't have sharpened
Perfekt mit V-ing
I can't have been sharpening you can't have been sharpening he can't have been sharpening we can't have been sharpening you can't have been sharpening they can't have been sharpening
Fragende Form
Einfache Form
can I sharpen? can you sharpen? can he sharpen? can we sharpen? can you sharpen? can they sharpen?
Form mit V-ing
can I be sharpening? can you be sharpening? can he be sharpening? can we be sharpening? can you be sharpening? can they be sharpening?
Perfekt
can I have sharpened? can you have sharpened? can he have sharpened? can we have sharpened? can you have sharpened? can they have sharpened?
Perfekt mit V-ing
can I have been sharpening? can you have been sharpening? can he have been sharpening? can we have been sharpening? can you have been sharpening? can they have been sharpening?
Fragende Negation Form
Einfache Form
can't I sharpen? can't you sharpen? can't he sharpen? can't we sharpen? can't you sharpen? can't they sharpen?
Form mit V-ing
can't I be sharpening? can't you be sharpening? can't he be sharpening? can't we be sharpening? can't you be sharpening? can't they be sharpening?
Perfekt
can't I have sharpened? can't you have sharpened? can't he have sharpened? can't we have sharpened? can't you have sharpened? can't they have sharpened?
Perfekt mit V-ing
can't I have been sharpening? can't you have been sharpening? can't he have been sharpening? can't we have been sharpening? can't you have been sharpening? can't they have been sharpening?