Conjugação do verbo inglês
COULD BACKPACK

Verbo regular: backpack - backpacked - backpacked

Afirmação

Forma simple	Forma com V-ing
I could backpack you could backpack he could backpack we could backpack you could backpack they could backpack	I could be backpacking you could be backpacking he could be backpacking we could be backpacking you could be backpacking they could be backpacking
Perfeito	Perfeito com V-ing
I could have backpacked you could have backpacked he could have backpacked we could have backpacked you could have backpacked they could have backpacked	I could have been backpacking you could have been backpacking he could have been backpacking we could have been backpacking you could have been backpacking they could have been backpacking

Negação

Forma simple	Forma com V-ing
I couldn't backpack you couldn't backpack he couldn't backpack we couldn't backpack you couldn't backpack they couldn't backpack	I couldn't be backpacking you couldn't be backpacking he couldn't be backpacking we couldn't be backpacking you couldn't be backpacking they couldn't be backpacking
Perfeito	Perfeito com V-ing
I couldn't have backpacked you couldn't have backpacked he couldn't have backpacked we couldn't have backpacked you couldn't have backpacked they couldn't have backpacked	I couldn't have been backpacking you couldn't have been backpacking he couldn't have been backpacking we couldn't have been backpacking you couldn't have been backpacking they couldn't have been backpacking

Forma interrogativa

Forma simple	Forma com V-ing
could I backpack? could you backpack? could he backpack? could we backpack? could you backpack? could they backpack?	could I be backpacking? could you be backpacking? could he be backpacking? could we be backpacking? could you be backpacking? could they be backpacking?
Perfeito	Perfeito com V-ing
could I have backpacked? could you have backpacked? could he have backpacked? could we have backpacked? could you have backpacked? could they have backpacked?	could I have been backpacking? could you have been backpacking? could he have been backpacking? could we have been backpacking? could you have been backpacking? could they have been backpacking?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I backpack? couldn't you backpack? couldn't he backpack? couldn't we backpack? couldn't you backpack? couldn't they backpack?	couldn't I be backpacking? couldn't you be backpacking? couldn't he be backpacking? couldn't we be backpacking? couldn't you be backpacking? couldn't they be backpacking?
Perfeito	Perfeito com V-ing
couldn't I have backpacked? couldn't you have backpacked? couldn't he have backpacked? couldn't we have backpacked? couldn't you have backpacked? couldn't they have backpacked?	couldn't I have been backpacking? couldn't you have been backpacking? couldn't he have been backpacking? couldn't we have been backpacking? couldn't you have been backpacking? couldn't they have been backpacking?