Conjugación del verbo inglés
COULD SEINE

Verbo regular: seine - seined - seined

Afirmación

Forma simple	Forma con V-ing
I could seine you could seine he could seine we could seine you could seine they could seine	I could be seining you could be seining he could be seining we could be seining you could be seining they could be seining
Perfecto	Perfecto con V-ing
I could have seined you could have seined he could have seined we could have seined you could have seined they could have seined	I could have been seining you could have been seining he could have been seining we could have been seining you could have been seining they could have been seining

Negación

Forma simple	Forma con V-ing
I couldn't seine you couldn't seine he couldn't seine we couldn't seine you couldn't seine they couldn't seine	I couldn't be seining you couldn't be seining he couldn't be seining we couldn't be seining you couldn't be seining they couldn't be seining
Perfecto	Perfecto con V-ing
I couldn't have seined you couldn't have seined he couldn't have seined we couldn't have seined you couldn't have seined they couldn't have seined	I couldn't have been seining you couldn't have been seining he couldn't have been seining we couldn't have been seining you couldn't have been seining they couldn't have been seining

Forma interrogativa

Forma simple	Forma con V-ing
could I seine? could you seine? could he seine? could we seine? could you seine? could they seine?	could I be seining? could you be seining? could he be seining? could we be seining? could you be seining? could they be seining?
Perfecto	Perfecto con V-ing
could I have seined? could you have seined? could he have seined? could we have seined? could you have seined? could they have seined?	could I have been seining? could you have been seining? could he have been seining? could we have been seining? could you have been seining? could they have been seining?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I seine? couldn't you seine? couldn't he seine? couldn't we seine? couldn't you seine? couldn't they seine?	couldn't I be seining? couldn't you be seining? couldn't he be seining? couldn't we be seining? couldn't you be seining? couldn't they be seining?
Perfecto	Perfecto con V-ing
couldn't I have seined? couldn't you have seined? couldn't he have seined? couldn't we have seined? couldn't you have seined? couldn't they have seined?	couldn't I have been seining? couldn't you have been seining? couldn't he have been seining? couldn't we have been seining? couldn't you have been seining? couldn't they have been seining?