Conjugación del verbo inglés
COULD PROPOSE

Verbo regular: propose - proposed - proposed

Afirmación

Forma simple	Forma con 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
Perfecto	Perfecto con 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

Negación

Forma simple	Forma con V-ing
I could not propose you could not propose he could not propose we could not propose you could not propose they could not propose	I could not be proposing you could not be proposing he could not be proposing we could not be proposing you could not be proposing they could not be proposing
Perfecto	Perfecto con V-ing
I could not have proposed you could not have proposed he could not have proposed we could not have proposed you could not have proposed they could not have proposed	I could not have been proposing you could not have been proposing he could not have been proposing we could not have been proposing you could not have been proposing they could not have been proposing

Forma interrogativa

Forma simple	Forma con 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?
Perfecto	Perfecto con 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-negativa

Forma simple	Forma con V-ing
could I not propose? could you not propose? could he not propose? could we not propose? could you not propose? could they not propose?	could I not be proposing? could you not be proposing? could he not be proposing? could we not be proposing? could you not be proposing? could they not be proposing?
Perfecto	Perfecto con V-ing
could I not have proposed? could you not have proposed? could he not have proposed? could we not have proposed? could you not have proposed? could they not have proposed?	could I not have been proposing? could you not have been proposing? could he not have been proposing? could we not have been proposing? could you not have been proposing? could they not have been proposing?