Conjugación del verbo inglés COULD SUSTAIN

Verbo regular: sustain - sustained - sustained

Afirmación

Forma simple

I could sustain
you could sustain
he could sustain
we could sustain
you could sustain
they could sustain

Forma con V-ing

I could be sustaining
you could be sustaining
he could be sustaining
we could be sustaining
you could be sustaining
they could be sustaining

Perfecto

I could have sustained
you could have sustained
he could have sustained
we could have sustained
you could have sustained
they could have sustained

Perfecto con V-ing

I could have been sustaining
you could have been sustaining
he could have been sustaining
we could have been sustaining
you could have been sustaining
they could have been sustaining

Negación

Forma simple

I could not sustain
you could not sustain
he could not sustain
we could not sustain
you could not sustain
they could not sustain

Forma con V-ing

I could not be sustaining
you could not be sustaining
he could not be sustaining
we could not be sustaining
you could not be sustaining
they could not be sustaining

Perfecto

I could not have sustained
you could not have sustained
he could not have sustained
we could not have sustained
you could not have sustained
they could not have sustained

Perfecto con V-ing

I could not have been sustaining
you could not have been sustaining
he could not have been sustaining
we could not have been sustaining
you could not have been sustaining
they could not have been sustaining

Forma interrogativa

Forma simple

could I sustain?
could you sustain?
could he sustain?
could we sustain?
could you sustain?
could they sustain?

Forma con V-ing

could I be sustaining?
could you be sustaining?
could he be sustaining?
could we be sustaining?
could you be sustaining?
could they be sustaining?

Perfecto

could I have sustained?
could you have sustained?
could he have sustained?
could we have sustained?
could you have sustained?
could they have sustained?

Perfecto con V-ing

could I have been sustaining?
could you have been sustaining?
could he have been sustaining?
could we have been sustaining?
could you have been sustaining?
could they have been sustaining?

Forma interro-negativa

Forma simple

could I not sustain?
could you not sustain?
could he not sustain?
could we not sustain?
could you not sustain?
could they not sustain?

Forma con V-ing

could I not be sustaining?
could you not be sustaining?
could he not be sustaining?
could we not be sustaining?
could you not be sustaining?
could they not be sustaining?

Perfecto

could I not have sustained?
could you not have sustained?
could he not have sustained?
could we not have sustained?
could you not have sustained?
could they not have sustained?

Perfecto con V-ing

could I not have been sustaining?
could you not have been sustaining?
could he not have been sustaining?
could we not have been sustaining?
could you not have been sustaining?
could they not have been sustaining?

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