Conjugação do verbo inglês
COULD PACK

Verbo regular: pack - packed - packed

Afirmação

Forma simple	Forma com V-ing
I could pack you could pack he could pack we could pack you could pack they could pack	I could be packing you could be packing he could be packing we could be packing you could be packing they could be packing
Perfeito	Perfeito com V-ing
I could have packed you could have packed he could have packed we could have packed you could have packed they could have packed	I could have been packing you could have been packing he could have been packing we could have been packing you could have been packing they could have been packing

Negação

Forma simple	Forma com V-ing
I couldn't pack you couldn't pack he couldn't pack we couldn't pack you couldn't pack they couldn't pack	I couldn't be packing you couldn't be packing he couldn't be packing we couldn't be packing you couldn't be packing they couldn't be packing
Perfeito	Perfeito com V-ing
I couldn't have packed you couldn't have packed he couldn't have packed we couldn't have packed you couldn't have packed they couldn't have packed	I couldn't have been packing you couldn't have been packing he couldn't have been packing we couldn't have been packing you couldn't have been packing they couldn't have been packing

Forma interrogativa

Forma simple	Forma com V-ing
could I pack? could you pack? could he pack? could we pack? could you pack? could they pack?	could I be packing? could you be packing? could he be packing? could we be packing? could you be packing? could they be packing?
Perfeito	Perfeito com V-ing
could I have packed? could you have packed? could he have packed? could we have packed? could you have packed? could they have packed?	could I have been packing? could you have been packing? could he have been packing? could we have been packing? could you have been packing? could they have been packing?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I pack? couldn't you pack? couldn't he pack? couldn't we pack? couldn't you pack? couldn't they pack?	couldn't I be packing? couldn't you be packing? couldn't he be packing? couldn't we be packing? couldn't you be packing? couldn't they be packing?
Perfeito	Perfeito com V-ing
couldn't I have packed? couldn't you have packed? couldn't he have packed? couldn't we have packed? couldn't you have packed? couldn't they have packed?	couldn't I have been packing? couldn't you have been packing? couldn't he have been packing? couldn't we have been packing? couldn't you have been packing? couldn't they have been packing?