Conjugação do verbo inglês
COULD STUFF

Verbo regular: stuff - stuffed - stuffed

Afirmação

Forma simple	Forma com V-ing
I could stuff you could stuff he could stuff we could stuff you could stuff they could stuff	I could be stuffing you could be stuffing he could be stuffing we could be stuffing you could be stuffing they could be stuffing
Perfeito	Perfeito com V-ing
I could have stuffed you could have stuffed he could have stuffed we could have stuffed you could have stuffed they could have stuffed	I could have been stuffing you could have been stuffing he could have been stuffing we could have been stuffing you could have been stuffing they could have been stuffing

Negação

Forma simple	Forma com V-ing
I couldn't stuff you couldn't stuff he couldn't stuff we couldn't stuff you couldn't stuff they couldn't stuff	I couldn't be stuffing you couldn't be stuffing he couldn't be stuffing we couldn't be stuffing you couldn't be stuffing they couldn't be stuffing
Perfeito	Perfeito com V-ing
I couldn't have stuffed you couldn't have stuffed he couldn't have stuffed we couldn't have stuffed you couldn't have stuffed they couldn't have stuffed	I couldn't have been stuffing you couldn't have been stuffing he couldn't have been stuffing we couldn't have been stuffing you couldn't have been stuffing they couldn't have been stuffing

Forma interrogativa

Forma simple	Forma com V-ing
could I stuff? could you stuff? could he stuff? could we stuff? could you stuff? could they stuff?	could I be stuffing? could you be stuffing? could he be stuffing? could we be stuffing? could you be stuffing? could they be stuffing?
Perfeito	Perfeito com V-ing
could I have stuffed? could you have stuffed? could he have stuffed? could we have stuffed? could you have stuffed? could they have stuffed?	could I have been stuffing? could you have been stuffing? could he have been stuffing? could we have been stuffing? could you have been stuffing? could they have been stuffing?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I stuff? couldn't you stuff? couldn't he stuff? couldn't we stuff? couldn't you stuff? couldn't they stuff?	couldn't I be stuffing? couldn't you be stuffing? couldn't he be stuffing? couldn't we be stuffing? couldn't you be stuffing? couldn't they be stuffing?
Perfeito	Perfeito com V-ing
couldn't I have stuffed? couldn't you have stuffed? couldn't he have stuffed? couldn't we have stuffed? couldn't you have stuffed? couldn't they have stuffed?	couldn't I have been stuffing? couldn't you have been stuffing? couldn't he have been stuffing? couldn't we have been stuffing? couldn't you have been stuffing? couldn't they have been stuffing?