Conjugación del verbo inglés
COULD STRIVE

Verbo irregular: strive - strived - striven

Afirmación

Forma simple	Forma con V-ing
I could strive you could strive he could strive we could strive you could strive they could strive	I could be striving you could be striving he could be striving we could be striving you could be striving they could be striving
Perfecto	Perfecto con V-ing
I could have striven you could have striven he could have striven we could have striven you could have striven they could have striven	I could have been striving you could have been striving he could have been striving we could have been striving you could have been striving they could have been striving

Negación

Forma simple	Forma con V-ing
I could not strive you could not strive he could not strive we could not strive you could not strive they could not strive	I could not be striving you could not be striving he could not be striving we could not be striving you could not be striving they could not be striving
Perfecto	Perfecto con V-ing
I could not have striven you could not have striven he could not have striven we could not have striven you could not have striven they could not have striven	I could not have been striving you could not have been striving he could not have been striving we could not have been striving you could not have been striving they could not have been striving

Forma interrogativa

Forma simple	Forma con V-ing
could I strive? could you strive? could he strive? could we strive? could you strive? could they strive?	could I be striving? could you be striving? could he be striving? could we be striving? could you be striving? could they be striving?
Perfecto	Perfecto con V-ing
could I have striven? could you have striven? could he have striven? could we have striven? could you have striven? could they have striven?	could I have been striving? could you have been striving? could he have been striving? could we have been striving? could you have been striving? could they have been striving?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not strive? could you not strive? could he not strive? could we not strive? could you not strive? could they not strive?	could I not be striving? could you not be striving? could he not be striving? could we not be striving? could you not be striving? could they not be striving?
Perfecto	Perfecto con V-ing
could I not have striven? could you not have striven? could he not have striven? could we not have striven? could you not have striven? could they not have striven?	could I not have been striving? could you not have been striving? could he not have been striving? could we not have been striving? could you not have been striving? could they not have been striving?