I could weigh you could weigh he could weigh we could weigh you could weigh they could weigh
Forme en V-ing
I could be weighing you could be weighing he could be weighing we could be weighing you could be weighing they could be weighing
Perfect
I could have weighed you could have weighed he could have weighed we could have weighed you could have weighed they could have weighed
Perfect en V-ing
I could have been weighing you could have been weighing he could have been weighing we could have been weighing you could have been weighing they could have been weighing
Négation
Forme simple
I could not weigh you could not weigh he could not weigh we could not weigh you could not weigh they could not weigh
Forme en V-ing
I could not be weighing you could not be weighing he could not be weighing we could not be weighing you could not be weighing they could not be weighing
Perfect
I could not have weighed you could not have weighed he could not have weighed we could not have weighed you could not have weighed they could not have weighed
Perfect en V-ing
I could not have been weighing you could not have been weighing he could not have been weighing we could not have been weighing you could not have been weighing they could not have been weighing
Forme interrogative
Forme simple
could I weigh? could you weigh? could he weigh? could we weigh? could you weigh? could they weigh?
Forme en V-ing
could I be weighing? could you be weighing? could he be weighing? could we be weighing? could you be weighing? could they be weighing?
Perfect
could I have weighed? could you have weighed? could he have weighed? could we have weighed? could you have weighed? could they have weighed?
Perfect en V-ing
could I have been weighing? could you have been weighing? could he have been weighing? could we have been weighing? could you have been weighing? could they have been weighing?
Forme interro-négative
Forme simple
could I not weigh? could you not weigh? could he not weigh? could we not weigh? could you not weigh? could they not weigh?
Forme en V-ing
could I not be weighing? could you not be weighing? could he not be weighing? could we not be weighing? could you not be weighing? could they not be weighing?
Perfect
could I not have weighed? could you not have weighed? could he not have weighed? could we not have weighed? could you not have weighed? could they not have weighed?
Perfect en V-ing
could I not have been weighing? could you not have been weighing? could he not have been weighing? could we not have been weighing? could you not have been weighing? could they not have been weighing?