Conjugação do verbo inglês
COULD POSTMARK

Verbo regular: postmark - postmarked - postmarked

Afirmação

Forma simple	Forma com V-ing
I could postmark you could postmark he could postmark we could postmark you could postmark they could postmark	I could be postmarking you could be postmarking he could be postmarking we could be postmarking you could be postmarking they could be postmarking
Perfeito	Perfeito com V-ing
I could have postmarked you could have postmarked he could have postmarked we could have postmarked you could have postmarked they could have postmarked	I could have been postmarking you could have been postmarking he could have been postmarking we could have been postmarking you could have been postmarking they could have been postmarking

Negação

Forma simple	Forma com V-ing
I couldn't postmark you couldn't postmark he couldn't postmark we couldn't postmark you couldn't postmark they couldn't postmark	I couldn't be postmarking you couldn't be postmarking he couldn't be postmarking we couldn't be postmarking you couldn't be postmarking they couldn't be postmarking
Perfeito	Perfeito com V-ing
I couldn't have postmarked you couldn't have postmarked he couldn't have postmarked we couldn't have postmarked you couldn't have postmarked they couldn't have postmarked	I couldn't have been postmarking you couldn't have been postmarking he couldn't have been postmarking we couldn't have been postmarking you couldn't have been postmarking they couldn't have been postmarking

Forma interrogativa

Forma simple	Forma com V-ing
could I postmark? could you postmark? could he postmark? could we postmark? could you postmark? could they postmark?	could I be postmarking? could you be postmarking? could he be postmarking? could we be postmarking? could you be postmarking? could they be postmarking?
Perfeito	Perfeito com V-ing
could I have postmarked? could you have postmarked? could he have postmarked? could we have postmarked? could you have postmarked? could they have postmarked?	could I have been postmarking? could you have been postmarking? could he have been postmarking? could we have been postmarking? could you have been postmarking? could they have been postmarking?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I postmark? couldn't you postmark? couldn't he postmark? couldn't we postmark? couldn't you postmark? couldn't they postmark?	couldn't I be postmarking? couldn't you be postmarking? couldn't he be postmarking? couldn't we be postmarking? couldn't you be postmarking? couldn't they be postmarking?
Perfeito	Perfeito com V-ing
couldn't I have postmarked? couldn't you have postmarked? couldn't he have postmarked? couldn't we have postmarked? couldn't you have postmarked? couldn't they have postmarked?	couldn't I have been postmarking? couldn't you have been postmarking? couldn't he have been postmarking? couldn't we have been postmarking? couldn't you have been postmarking? couldn't they have been postmarking?