Verbo regular: strengthen - strengthened - strengthened
Afirmación
Forma simple
I may strengthen you may strengthen she may strengthen we may strengthen you may strengthen they may strengthen
Forma con V-ing
I may be strengthening you may be strengthening she may be strengthening we may be strengthening you may be strengthening they may be strengthening
Perfecto
I may have strengthened you may have strengthened she may have strengthened we may have strengthened you may have strengthened they may have strengthened
Perfecto con V-ing
I may have been strengthening you may have been strengthening she may have been strengthening we may have been strengthening you may have been strengthening they may have been strengthening
Negación
Forma simple
I may not strengthen you may not strengthen she may not strengthen we may not strengthen you may not strengthen they may not strengthen
Forma con V-ing
I may not be strengthening you may not be strengthening she may not be strengthening we may not be strengthening you may not be strengthening they may not be strengthening
Perfecto
I may not have strengthened you may not have strengthened she may not have strengthened we may not have strengthened you may not have strengthened they may not have strengthened
Perfecto con V-ing
I may not have been strengthening you may not have been strengthening she may not have been strengthening we may not have been strengthening you may not have been strengthening they may not have been strengthening
Forma interrogativa
Forma simple
may I strengthen? may you strengthen? may she strengthen? may we strengthen? may you strengthen? may they strengthen?
Forma con V-ing
may I be strengthening? may you be strengthening? may she be strengthening? may we be strengthening? may you be strengthening? may they be strengthening?
Perfecto
may I have strengthened? may you have strengthened? may she have strengthened? may we have strengthened? may you have strengthened? may they have strengthened?
Perfecto con V-ing
may I have been strengthening? may you have been strengthening? may she have been strengthening? may we have been strengthening? may you have been strengthening? may they have been strengthening?
Forma interro-negativa
Forma simple
may I not strengthen? may you not strengthen? may she not strengthen? may we not strengthen? may you not strengthen? may they not strengthen?
Forma con V-ing
may I not be strengthening? may you not be strengthening? may she not be strengthening? may we not be strengthening? may you not be strengthening? may they not be strengthening?
Perfecto
may I not have strengthened? may you not have strengthened? may she not have strengthened? may we not have strengthened? may you not have strengthened? may they not have strengthened?
Perfecto con V-ing
may I not have been strengthening? may you not have been strengthening? may she not have been strengthening? may we not have been strengthening? may you not have been strengthening? may they not have been strengthening?