Conjugação do verbo inglês
COULD SEINE

Verbo regular: seine - seined - seined

Afirmação

Forma simple	Forma com 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
Perfeito	Perfeito com 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

Negação

Forma simple	Forma com 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
Perfeito	Perfeito com 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 com 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?
Perfeito	Perfeito com 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-Negação

Forma simple	Forma com 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?
Perfeito	Perfeito com 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?