I can strengthen you can strengthen he can strengthen we can strengthen you can strengthen they can strengthen
Form mit V-ing
I can be strengthening you can be strengthening he can be strengthening we can be strengthening you can be strengthening they can be strengthening
Perfekt
I can have strengthened you can have strengthened he can have strengthened we can have strengthened you can have strengthened they can have strengthened
Perfekt mit V-ing
I can have been strengthening you can have been strengthening he can have been strengthening we can have been strengthening you can have been strengthening they can have been strengthening
Negation
Einfache Form
I cannot strengthen you cannot strengthen he cannot strengthen we cannot strengthen you cannot strengthen they cannot strengthen
Form mit V-ing
I cannot be strengthening you cannot be strengthening he cannot be strengthening we cannot be strengthening you cannot be strengthening they cannot be strengthening
Perfekt
I cannot have strengthened you cannot have strengthened he cannot have strengthened we cannot have strengthened you cannot have strengthened they cannot have strengthened
Perfekt mit V-ing
I cannot have been strengthening you cannot have been strengthening he cannot have been strengthening we cannot have been strengthening you cannot have been strengthening they cannot have been strengthening
Fragende Form
Einfache Form
can I strengthen? can you strengthen? can he strengthen? can we strengthen? can you strengthen? can they strengthen?
Form mit V-ing
can I be strengthening? can you be strengthening? can he be strengthening? can we be strengthening? can you be strengthening? can they be strengthening?
Perfekt
can I have strengthened? can you have strengthened? can he have strengthened? can we have strengthened? can you have strengthened? can they have strengthened?
Perfekt mit V-ing
can I have been strengthening? can you have been strengthening? can he have been strengthening? can we have been strengthening? can you have been strengthening? can they have been strengthening?
Fragende Negation Form
Einfache Form
can I not strengthen? can you not strengthen? can he not strengthen? can we not strengthen? can you not strengthen? can they not strengthen?
Form mit V-ing
can I not be strengthening? can you not be strengthening? can he not be strengthening? can we not be strengthening? can you not be strengthening? can they not be strengthening?
Perfekt
can I not have strengthened? can you not have strengthened? can he not have strengthened? can we not have strengthened? can you not have strengthened? can they not have strengthened?
Perfekt mit V-ing
can I not have been strengthening? can you not have been strengthening? can he not have been strengthening? can we not have been strengthening? can you not have been strengthening? can they not have been strengthening?