Conjugação do verbo inglês
COULD LAUNCH

Verbo regular: launch - launched - launched

Afirmação

Forma simple	Forma com V-ing
I could launch you could launch he could launch we could launch you could launch they could launch	I could be launching you could be launching he could be launching we could be launching you could be launching they could be launching
Perfeito	Perfeito com V-ing
I could have launched you could have launched he could have launched we could have launched you could have launched they could have launched	I could have been launching you could have been launching he could have been launching we could have been launching you could have been launching they could have been launching

Negação

Forma simple	Forma com V-ing
I could not launch you could not launch he could not launch we could not launch you could not launch they could not launch	I could not be launching you could not be launching he could not be launching we could not be launching you could not be launching they could not be launching
Perfeito	Perfeito com V-ing
I could not have launched you could not have launched he could not have launched we could not have launched you could not have launched they could not have launched	I could not have been launching you could not have been launching he could not have been launching we could not have been launching you could not have been launching they could not have been launching

Forma interrogativa

Forma simple	Forma com V-ing
could I launch? could you launch? could he launch? could we launch? could you launch? could they launch?	could I be launching? could you be launching? could he be launching? could we be launching? could you be launching? could they be launching?
Perfeito	Perfeito com V-ing
could I have launched? could you have launched? could he have launched? could we have launched? could you have launched? could they have launched?	could I have been launching? could you have been launching? could he have been launching? could we have been launching? could you have been launching? could they have been launching?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not launch? could you not launch? could he not launch? could we not launch? could you not launch? could they not launch?	could I not be launching? could you not be launching? could he not be launching? could we not be launching? could you not be launching? could they not be launching?
Perfeito	Perfeito com V-ing
could I not have launched? could you not have launched? could he not have launched? could we not have launched? could you not have launched? could they not have launched?	could I not have been launching? could you not have been launching? could he not have been launching? could we not have been launching? could you not have been launching? could they not have been launching?