Conjugação do verbo inglês
COULD PROPOSE

Verbo regular: propose - proposed - proposed

Afirmação

Forma simple	Forma com V-ing
I could propose you could propose he could propose we could propose you could propose they could propose	I could be proposing you could be proposing he could be proposing we could be proposing you could be proposing they could be proposing
Perfeito	Perfeito com V-ing
I could have proposed you could have proposed he could have proposed we could have proposed you could have proposed they could have proposed	I could have been proposing you could have been proposing he could have been proposing we could have been proposing you could have been proposing they could have been proposing

Negação

Forma simple	Forma com V-ing
I couldn't propose you couldn't propose he couldn't propose we couldn't propose you couldn't propose they couldn't propose	I couldn't be proposing you couldn't be proposing he couldn't be proposing we couldn't be proposing you couldn't be proposing they couldn't be proposing
Perfeito	Perfeito com V-ing
I couldn't have proposed you couldn't have proposed he couldn't have proposed we couldn't have proposed you couldn't have proposed they couldn't have proposed	I couldn't have been proposing you couldn't have been proposing he couldn't have been proposing we couldn't have been proposing you couldn't have been proposing they couldn't have been proposing

Forma interrogativa

Forma simple	Forma com V-ing
could I propose? could you propose? could he propose? could we propose? could you propose? could they propose?	could I be proposing? could you be proposing? could he be proposing? could we be proposing? could you be proposing? could they be proposing?
Perfeito	Perfeito com V-ing
could I have proposed? could you have proposed? could he have proposed? could we have proposed? could you have proposed? could they have proposed?	could I have been proposing? could you have been proposing? could he have been proposing? could we have been proposing? could you have been proposing? could they have been proposing?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I propose? couldn't you propose? couldn't he propose? couldn't we propose? couldn't you propose? couldn't they propose?	couldn't I be proposing? couldn't you be proposing? couldn't he be proposing? couldn't we be proposing? couldn't you be proposing? couldn't they be proposing?
Perfeito	Perfeito com V-ing
couldn't I have proposed? couldn't you have proposed? couldn't he have proposed? couldn't we have proposed? couldn't you have proposed? couldn't they have proposed?	couldn't I have been proposing? couldn't you have been proposing? couldn't he have been proposing? couldn't we have been proposing? couldn't you have been proposing? couldn't they have been proposing?