I could graze you could graze she could graze we could graze you could graze they could graze
Forme en V-ing
I could be grazing you could be grazing she could be grazing we could be grazing you could be grazing they could be grazing
Perfect
I could have grazed you could have grazed she could have grazed we could have grazed you could have grazed they could have grazed
Perfect en V-ing
I could have been grazing you could have been grazing she could have been grazing we could have been grazing you could have been grazing they could have been grazing
Négation
Forme simple
I could not graze you could not graze she could not graze we could not graze you could not graze they could not graze
Forme en V-ing
I could not be grazing you could not be grazing she could not be grazing we could not be grazing you could not be grazing they could not be grazing
Perfect
I could not have grazed you could not have grazed she could not have grazed we could not have grazed you could not have grazed they could not have grazed
Perfect en V-ing
I could not have been grazing you could not have been grazing she could not have been grazing we could not have been grazing you could not have been grazing they could not have been grazing
Forme interrogative
Forme simple
could I graze? could you graze? could she graze? could we graze? could you graze? could they graze?
Forme en V-ing
could I be grazing? could you be grazing? could she be grazing? could we be grazing? could you be grazing? could they be grazing?
Perfect
could I have grazed? could you have grazed? could she have grazed? could we have grazed? could you have grazed? could they have grazed?
Perfect en V-ing
could I have been grazing? could you have been grazing? could she have been grazing? could we have been grazing? could you have been grazing? could they have been grazing?
Forme interro-négative
Forme simple
could I not graze? could you not graze? could she not graze? could we not graze? could you not graze? could they not graze?
Forme en V-ing
could I not be grazing? could you not be grazing? could she not be grazing? could we not be grazing? could you not be grazing? could they not be grazing?
Perfect
could I not have grazed? could you not have grazed? could she not have grazed? could we not have grazed? could you not have grazed? could they not have grazed?
Perfect en V-ing
could I not have been grazing? could you not have been grazing? could she not have been grazing? could we not have been grazing? could you not have been grazing? could they not have been grazing?