Verbo regular: strengthen - strengthened - strengthened
Indicativo
Presente
don't I strengthen? don't you strengthen? doesn't she strengthen? don't we strengthen? don't you strengthen? don't they strengthen?
Presente continuo
am I not strengthening? aren't you strengthening? isn't she strengthening? aren't we strengthening? aren't you strengthening? aren't they strengthening?
Pretérito
didn't I strengthen? didn't you strengthen? didn't she strengthen? didn't we strengthen? didn't you strengthen? didn't they strengthen?
Pretérito continuo
wasn't I strengthening? weren't you strengthening? wasn't she strengthening? weren't we strengthening? weren't you strengthening? weren't they strengthening?
Presente perfecto
haven't I strengthened? haven't you strengthened? hasn't she strengthened? haven't we strengthened? haven't you strengthened? haven't they strengthened?
Presente perfecto continuo
haven't I been strengthening? haven't you been strengthening? hasn't she been strengthening? haven't we been strengthening? haven't you been strengthening? haven't they been strengthening?
Pluscuamperfecto
hadn't I strengthened? hadn't you strengthened? hadn't she strengthened? hadn't we strengthened? hadn't you strengthened? hadn't they strengthened?
Pluscuamperfecto continuo
hadn't I been strengthening? hadn't you been strengthening? hadn't she been strengthening? hadn't we been strengthening? hadn't you been strengthening? hadn't they been strengthening?
Futuro simple
won't I strengthen? won't you strengthen? won't she strengthen? won't we strengthen? won't you strengthen? won't they strengthen?
Futuro continuo
won't I be strengthening? won't you be strengthening? won't she be strengthening? won't we be strengthening? won't you be strengthening? won't they be strengthening?
Futuro perfecto
won't I have strengthened? won't you have strengthened? won't she have strengthened? won't we have strengthened? won't you have strengthened? won't they have strengthened?
Futuro perfecto contínuo
won't I have been strengthening? won't you have been strengthening? won't she have been strengthening? won't we have been strengthening? won't you have been strengthening? won't they have been strengthening?
Condicional
Presente
wouldn't I strengthen? wouldn't you strengthen? wouldn't she strengthen? wouldn't we strengthen? wouldn't you strengthen? wouldn't they strengthen?
Presente continuo
wouldn't I be strengthening? wouldn't you be strengthening? wouldn't she be strengthening? wouldn't we be strengthening? wouldn't you be strengthening? wouldn't they be strengthening?
Passado
wouldn't I have strengthened? wouldn't you have strengthened? wouldn't she have strengthened? wouldn't we have strengthened? wouldn't you have strengthened? wouldn't they have strengthened?
Passado continuo
wouldn't I have been strengthening? wouldn't you have been strengthening? wouldn't she have been strengthening? wouldn't we have been strengthening? wouldn't you have been strengthening? wouldn't they have been strengthening?