Conjugação do verbo inglês
COULD WAX

Verbo regular: wax - waxed - waxed

Afirmação

Forma simple	Forma com V-ing
I could wax you could wax she could wax we could wax you could wax they could wax	I could be waxing you could be waxing she could be waxing we could be waxing you could be waxing they could be waxing
Perfeito	Perfeito com V-ing
I could have waxed you could have waxed she could have waxed we could have waxed you could have waxed they could have waxed	I could have been waxing you could have been waxing she could have been waxing we could have been waxing you could have been waxing they could have been waxing

Negação

Forma simple	Forma com V-ing
I couldn't wax you couldn't wax she couldn't wax we couldn't wax you couldn't wax they couldn't wax	I couldn't be waxing you couldn't be waxing she couldn't be waxing we couldn't be waxing you couldn't be waxing they couldn't be waxing
Perfeito	Perfeito com V-ing
I couldn't have waxed you couldn't have waxed she couldn't have waxed we couldn't have waxed you couldn't have waxed they couldn't have waxed	I couldn't have been waxing you couldn't have been waxing she couldn't have been waxing we couldn't have been waxing you couldn't have been waxing they couldn't have been waxing

Forma interrogativa

Forma simple	Forma com V-ing
could I wax? could you wax? could she wax? could we wax? could you wax? could they wax?	could I be waxing? could you be waxing? could she be waxing? could we be waxing? could you be waxing? could they be waxing?
Perfeito	Perfeito com V-ing
could I have waxed? could you have waxed? could she have waxed? could we have waxed? could you have waxed? could they have waxed?	could I have been waxing? could you have been waxing? could she have been waxing? could we have been waxing? could you have been waxing? could they have been waxing?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I wax? couldn't you wax? couldn't she wax? couldn't we wax? couldn't you wax? couldn't they wax?	couldn't I be waxing? couldn't you be waxing? couldn't she be waxing? couldn't we be waxing? couldn't you be waxing? couldn't they be waxing?
Perfeito	Perfeito com V-ing
couldn't I have waxed? couldn't you have waxed? couldn't she have waxed? couldn't we have waxed? couldn't you have waxed? couldn't they have waxed?	couldn't I have been waxing? couldn't you have been waxing? couldn't she have been waxing? couldn't we have been waxing? couldn't you have been waxing? couldn't they have been waxing?