I could round you could round she could round we could round you could round they could round
Forme en V-ing
I could be rounding you could be rounding she could be rounding we could be rounding you could be rounding they could be rounding
Perfect
I could have rounded you could have rounded she could have rounded we could have rounded you could have rounded they could have rounded
Perfect en V-ing
I could have been rounding you could have been rounding she could have been rounding we could have been rounding you could have been rounding they could have been rounding
Négation
Forme simple
I could not round you could not round she could not round we could not round you could not round they could not round
Forme en V-ing
I could not be rounding you could not be rounding she could not be rounding we could not be rounding you could not be rounding they could not be rounding
Perfect
I could not have rounded you could not have rounded she could not have rounded we could not have rounded you could not have rounded they could not have rounded
Perfect en V-ing
I could not have been rounding you could not have been rounding she could not have been rounding we could not have been rounding you could not have been rounding they could not have been rounding
Forme interrogative
Forme simple
could I round? could you round? could she round? could we round? could you round? could they round?
Forme en V-ing
could I be rounding? could you be rounding? could she be rounding? could we be rounding? could you be rounding? could they be rounding?
Perfect
could I have rounded? could you have rounded? could she have rounded? could we have rounded? could you have rounded? could they have rounded?
Perfect en V-ing
could I have been rounding? could you have been rounding? could she have been rounding? could we have been rounding? could you have been rounding? could they have been rounding?
Forme interro-négative
Forme simple
could I not round? could you not round? could she not round? could we not round? could you not round? could they not round?
Forme en V-ing
could I not be rounding? could you not be rounding? could she not be rounding? could we not be rounding? could you not be rounding? could they not be rounding?
Perfect
could I not have rounded? could you not have rounded? could she not have rounded? could we not have rounded? could you not have rounded? could they not have rounded?
Perfect en V-ing
could I not have been rounding? could you not have been rounding? could she not have been rounding? could we not have been rounding? could you not have been rounding? could they not have been rounding?