Verbo regular: strengthen - strengthened - strengthened
Afirmação
Forma simple
I can strengthen you can strengthen he can strengthen we can strengthen you can strengthen they can strengthen
Forma com 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
Perfeito
I can have strengthened you can have strengthened he can have strengthened we can have strengthened you can have strengthened they can have strengthened
Perfeito com 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
Negação
Forma simple
I can't strengthen you can't strengthen he can't strengthen we can't strengthen you can't strengthen they can't strengthen
Forma com V-ing
I can't be strengthening you can't be strengthening he can't be strengthening we can't be strengthening you can't be strengthening they can't be strengthening
Perfeito
I can't have strengthened you can't have strengthened he can't have strengthened we can't have strengthened you can't have strengthened they can't have strengthened
Perfeito com V-ing
I can't have been strengthening you can't have been strengthening he can't have been strengthening we can't have been strengthening you can't have been strengthening they can't have been strengthening
Forma interrogativa
Forma simple
can I strengthen? can you strengthen? can he strengthen? can we strengthen? can you strengthen? can they strengthen?
Forma com 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?
Perfeito
can I have strengthened? can you have strengthened? can he have strengthened? can we have strengthened? can you have strengthened? can they have strengthened?
Perfeito com 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?
Forma interro-Negação
Forma simple
can't I strengthen? can't you strengthen? can't he strengthen? can't we strengthen? can't you strengthen? can't they strengthen?
Forma com V-ing
can't I be strengthening? can't you be strengthening? can't he be strengthening? can't we be strengthening? can't you be strengthening? can't they be strengthening?
Perfeito
can't I have strengthened? can't you have strengthened? can't he have strengthened? can't we have strengthened? can't you have strengthened? can't they have strengthened?
Perfeito com V-ing
can't I have been strengthening? can't you have been strengthening? can't he have been strengthening? can't we have been strengthening? can't you have been strengthening? can't they have been strengthening?