Conjugação do verbo inglês
COULD SURTAX

Verbo regular: surtax - surtaxed - surtaxed

Afirmação

Forma simple	Forma com V-ing
I could surtax you could surtax she could surtax we could surtax you could surtax they could surtax	I could be surtaxing you could be surtaxing she could be surtaxing we could be surtaxing you could be surtaxing they could be surtaxing
Perfeito	Perfeito com V-ing
I could have surtaxed you could have surtaxed she could have surtaxed we could have surtaxed you could have surtaxed they could have surtaxed	I could have been surtaxing you could have been surtaxing she could have been surtaxing we could have been surtaxing you could have been surtaxing they could have been surtaxing

Negação

Forma simple	Forma com V-ing
I couldn't surtax you couldn't surtax she couldn't surtax we couldn't surtax you couldn't surtax they couldn't surtax	I couldn't be surtaxing you couldn't be surtaxing she couldn't be surtaxing we couldn't be surtaxing you couldn't be surtaxing they couldn't be surtaxing
Perfeito	Perfeito com V-ing
I couldn't have surtaxed you couldn't have surtaxed she couldn't have surtaxed we couldn't have surtaxed you couldn't have surtaxed they couldn't have surtaxed	I couldn't have been surtaxing you couldn't have been surtaxing she couldn't have been surtaxing we couldn't have been surtaxing you couldn't have been surtaxing they couldn't have been surtaxing

Forma interrogativa

Forma simple	Forma com V-ing
could I surtax? could you surtax? could she surtax? could we surtax? could you surtax? could they surtax?	could I be surtaxing? could you be surtaxing? could she be surtaxing? could we be surtaxing? could you be surtaxing? could they be surtaxing?
Perfeito	Perfeito com V-ing
could I have surtaxed? could you have surtaxed? could she have surtaxed? could we have surtaxed? could you have surtaxed? could they have surtaxed?	could I have been surtaxing? could you have been surtaxing? could she have been surtaxing? could we have been surtaxing? could you have been surtaxing? could they have been surtaxing?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I surtax? couldn't you surtax? couldn't she surtax? couldn't we surtax? couldn't you surtax? couldn't they surtax?	couldn't I be surtaxing? couldn't you be surtaxing? couldn't she be surtaxing? couldn't we be surtaxing? couldn't you be surtaxing? couldn't they be surtaxing?
Perfeito	Perfeito com V-ing
couldn't I have surtaxed? couldn't you have surtaxed? couldn't she have surtaxed? couldn't we have surtaxed? couldn't you have surtaxed? couldn't they have surtaxed?	couldn't I have been surtaxing? couldn't you have been surtaxing? couldn't she have been surtaxing? couldn't we have been surtaxing? couldn't you have been surtaxing? couldn't they have been surtaxing?