Conjugação do verbo inglês
COULD HARKEN

Verbo regular: harken - harkened - harkened

Afirmação

Forma simple	Forma com V-ing
I could harken you could harken he could harken we could harken you could harken they could harken	I could be harkening you could be harkening he could be harkening we could be harkening you could be harkening they could be harkening
Perfeito	Perfeito com V-ing
I could have harkened you could have harkened he could have harkened we could have harkened you could have harkened they could have harkened	I could have been harkening you could have been harkening he could have been harkening we could have been harkening you could have been harkening they could have been harkening

Negação

Forma simple	Forma com V-ing
I couldn't harken you couldn't harken he couldn't harken we couldn't harken you couldn't harken they couldn't harken	I couldn't be harkening you couldn't be harkening he couldn't be harkening we couldn't be harkening you couldn't be harkening they couldn't be harkening
Perfeito	Perfeito com V-ing
I couldn't have harkened you couldn't have harkened he couldn't have harkened we couldn't have harkened you couldn't have harkened they couldn't have harkened	I couldn't have been harkening you couldn't have been harkening he couldn't have been harkening we couldn't have been harkening you couldn't have been harkening they couldn't have been harkening

Forma interrogativa

Forma simple	Forma com V-ing
could I harken? could you harken? could he harken? could we harken? could you harken? could they harken?	could I be harkening? could you be harkening? could he be harkening? could we be harkening? could you be harkening? could they be harkening?
Perfeito	Perfeito com V-ing
could I have harkened? could you have harkened? could he have harkened? could we have harkened? could you have harkened? could they have harkened?	could I have been harkening? could you have been harkening? could he have been harkening? could we have been harkening? could you have been harkening? could they have been harkening?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I harken? couldn't you harken? couldn't he harken? couldn't we harken? couldn't you harken? couldn't they harken?	couldn't I be harkening? couldn't you be harkening? couldn't he be harkening? couldn't we be harkening? couldn't you be harkening? couldn't they be harkening?
Perfeito	Perfeito com V-ing
couldn't I have harkened? couldn't you have harkened? couldn't he have harkened? couldn't we have harkened? couldn't you have harkened? couldn't they have harkened?	couldn't I have been harkening? couldn't you have been harkening? couldn't he have been harkening? couldn't we have been harkening? couldn't you have been harkening? couldn't they have been harkening?