I could sprout you could sprout he could sprout we could sprout you could sprout they could sprout
Forme en V-ing
I could be sprouting you could be sprouting he could be sprouting we could be sprouting you could be sprouting they could be sprouting
Perfect
I could have sprouted you could have sprouted he could have sprouted we could have sprouted you could have sprouted they could have sprouted
Perfect en V-ing
I could have been sprouting you could have been sprouting he could have been sprouting we could have been sprouting you could have been sprouting they could have been sprouting
Négation
Forme simple
I could not sprout you could not sprout he could not sprout we could not sprout you could not sprout they could not sprout
Forme en V-ing
I could not be sprouting you could not be sprouting he could not be sprouting we could not be sprouting you could not be sprouting they could not be sprouting
Perfect
I could not have sprouted you could not have sprouted he could not have sprouted we could not have sprouted you could not have sprouted they could not have sprouted
Perfect en V-ing
I could not have been sprouting you could not have been sprouting he could not have been sprouting we could not have been sprouting you could not have been sprouting they could not have been sprouting
Forme interrogative
Forme simple
could I sprout? could you sprout? could he sprout? could we sprout? could you sprout? could they sprout?
Forme en V-ing
could I be sprouting? could you be sprouting? could he be sprouting? could we be sprouting? could you be sprouting? could they be sprouting?
Perfect
could I have sprouted? could you have sprouted? could he have sprouted? could we have sprouted? could you have sprouted? could they have sprouted?
Perfect en V-ing
could I have been sprouting? could you have been sprouting? could he have been sprouting? could we have been sprouting? could you have been sprouting? could they have been sprouting?
Forme interro-négative
Forme simple
could I not sprout? could you not sprout? could he not sprout? could we not sprout? could you not sprout? could they not sprout?
Forme en V-ing
could I not be sprouting? could you not be sprouting? could he not be sprouting? could we not be sprouting? could you not be sprouting? could they not be sprouting?
Perfect
could I not have sprouted? could you not have sprouted? could he not have sprouted? could we not have sprouted? could you not have sprouted? could they not have sprouted?
Perfect en V-ing
could I not have been sprouting? could you not have been sprouting? could he not have been sprouting? could we not have been sprouting? could you not have been sprouting? could they not have been sprouting?