Conjugación del verbo inglés
COULD MARCH

Verbo regular: march - marched - marched

Afirmación

Forma simple	Forma con V-ing
I could march you could march he could march we could march you could march they could march	I could be marching you could be marching he could be marching we could be marching you could be marching they could be marching
Perfecto	Perfecto con V-ing
I could have marched you could have marched he could have marched we could have marched you could have marched they could have marched	I could have been marching you could have been marching he could have been marching we could have been marching you could have been marching they could have been marching

Negación

Forma simple	Forma con V-ing
I could not march you could not march he could not march we could not march you could not march they could not march	I could not be marching you could not be marching he could not be marching we could not be marching you could not be marching they could not be marching
Perfecto	Perfecto con V-ing
I could not have marched you could not have marched he could not have marched we could not have marched you could not have marched they could not have marched	I could not have been marching you could not have been marching he could not have been marching we could not have been marching you could not have been marching they could not have been marching

Forma interrogativa

Forma simple	Forma con V-ing
could I march? could you march? could he march? could we march? could you march? could they march?	could I be marching? could you be marching? could he be marching? could we be marching? could you be marching? could they be marching?
Perfecto	Perfecto con V-ing
could I have marched? could you have marched? could he have marched? could we have marched? could you have marched? could they have marched?	could I have been marching? could you have been marching? could he have been marching? could we have been marching? could you have been marching? could they have been marching?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not march? could you not march? could he not march? could we not march? could you not march? could they not march?	could I not be marching? could you not be marching? could he not be marching? could we not be marching? could you not be marching? could they not be marching?
Perfecto	Perfecto con V-ing
could I not have marched? could you not have marched? could he not have marched? could we not have marched? could you not have marched? could they not have marched?	could I not have been marching? could you not have been marching? could he not have been marching? could we not have been marching? could you not have been marching? could they not have been marching?