Conjugação do verbo inglês
COULD SLACK

Verbo regular: slack - slacked - slacked

Afirmação

Forma simple	Forma com V-ing
I could slack you could slack he could slack we could slack you could slack they could slack	I could be slacking you could be slacking he could be slacking we could be slacking you could be slacking they could be slacking
Perfeito	Perfeito com V-ing
I could have slacked you could have slacked he could have slacked we could have slacked you could have slacked they could have slacked	I could have been slacking you could have been slacking he could have been slacking we could have been slacking you could have been slacking they could have been slacking

Negação

Forma simple	Forma com V-ing
I couldn't slack you couldn't slack he couldn't slack we couldn't slack you couldn't slack they couldn't slack	I couldn't be slacking you couldn't be slacking he couldn't be slacking we couldn't be slacking you couldn't be slacking they couldn't be slacking
Perfeito	Perfeito com V-ing
I couldn't have slacked you couldn't have slacked he couldn't have slacked we couldn't have slacked you couldn't have slacked they couldn't have slacked	I couldn't have been slacking you couldn't have been slacking he couldn't have been slacking we couldn't have been slacking you couldn't have been slacking they couldn't have been slacking

Forma interrogativa

Forma simple	Forma com V-ing
could I slack? could you slack? could he slack? could we slack? could you slack? could they slack?	could I be slacking? could you be slacking? could he be slacking? could we be slacking? could you be slacking? could they be slacking?
Perfeito	Perfeito com V-ing
could I have slacked? could you have slacked? could he have slacked? could we have slacked? could you have slacked? could they have slacked?	could I have been slacking? could you have been slacking? could he have been slacking? could we have been slacking? could you have been slacking? could they have been slacking?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I slack? couldn't you slack? couldn't he slack? couldn't we slack? couldn't you slack? couldn't they slack?	couldn't I be slacking? couldn't you be slacking? couldn't he be slacking? couldn't we be slacking? couldn't you be slacking? couldn't they be slacking?
Perfeito	Perfeito com V-ing
couldn't I have slacked? couldn't you have slacked? couldn't he have slacked? couldn't we have slacked? couldn't you have slacked? couldn't they have slacked?	couldn't I have been slacking? couldn't you have been slacking? couldn't he have been slacking? couldn't we have been slacking? couldn't you have been slacking? couldn't they have been slacking?