Conjugación del verbo inglés COULD STRENGTHEN
Verbo regular: strengthen - strengthened - strengthened
Afirmación
Forma simple
I could strengthenyou could strengthen
he could strengthen
we could strengthen
you could strengthen
they could strengthen
Forma con V-ing
I could be strengtheningyou could be strengthening
he could be strengthening
we could be strengthening
you could be strengthening
they could be strengthening
Perfecto
I could have strengthenedyou could have strengthened
he could have strengthened
we could have strengthened
you could have strengthened
they could have strengthened
Perfecto con V-ing
I could have been strengtheningyou could have been strengthening
he could have been strengthening
we could have been strengthening
you could have been strengthening
they could have been strengthening
Negación
Forma simple
I could not strengthenyou could not strengthen
he could not strengthen
we could not strengthen
you could not strengthen
they could not strengthen
Forma con V-ing
I could not be strengtheningyou could not be strengthening
he could not be strengthening
we could not be strengthening
you could not be strengthening
they could not be strengthening
Perfecto
I could not have strengthenedyou could not have strengthened
he could not have strengthened
we could not have strengthened
you could not have strengthened
they could not have strengthened
Perfecto con V-ing
I could not have been strengtheningyou could not have been strengthening
he could not have been strengthening
we could not have been strengthening
you could not have been strengthening
they could not have been strengthening
Forma interrogativa
Forma simple
could I strengthen?could you strengthen?
could he strengthen?
could we strengthen?
could you strengthen?
could they strengthen?
Forma con V-ing
could I be strengthening?could you be strengthening?
could he be strengthening?
could we be strengthening?
could you be strengthening?
could they be strengthening?
Perfecto
could I have strengthened?could you have strengthened?
could he have strengthened?
could we have strengthened?
could you have strengthened?
could they have strengthened?
Perfecto con V-ing
could I have been strengthening?could you have been strengthening?
could he have been strengthening?
could we have been strengthening?
could you have been strengthening?
could they have been strengthening?
Forma interro-negativa
Forma simple
could I not strengthen?could you not strengthen?
could he not strengthen?
could we not strengthen?
could you not strengthen?
could they not strengthen?
Forma con V-ing
could I not be strengthening?could you not be strengthening?
could he not be strengthening?
could we not be strengthening?
could you not be strengthening?
could they not be strengthening?
Perfecto
could I not have strengthened?could you not have strengthened?
could he not have strengthened?
could we not have strengthened?
could you not have strengthened?
could they not have strengthened?
Perfecto con V-ing
could I not have been strengthening?could you not have been strengthening?
could he not have been strengthening?
could we not have been strengthening?
could you not have been strengthening?
could they not have been strengthening?