I could boggle you could boggle he could boggle we could boggle you could boggle they could boggle
Forme en V-ing
I could be boggling you could be boggling he could be boggling we could be boggling you could be boggling they could be boggling
Perfect
I could have boggled you could have boggled he could have boggled we could have boggled you could have boggled they could have boggled
Perfect en V-ing
I could have been boggling you could have been boggling he could have been boggling we could have been boggling you could have been boggling they could have been boggling
Négation
Forme simple
I could not boggle you could not boggle he could not boggle we could not boggle you could not boggle they could not boggle
Forme en V-ing
I could not be boggling you could not be boggling he could not be boggling we could not be boggling you could not be boggling they could not be boggling
Perfect
I could not have boggled you could not have boggled he could not have boggled we could not have boggled you could not have boggled they could not have boggled
Perfect en V-ing
I could not have been boggling you could not have been boggling he could not have been boggling we could not have been boggling you could not have been boggling they could not have been boggling
Forme interrogative
Forme simple
could I boggle? could you boggle? could he boggle? could we boggle? could you boggle? could they boggle?
Forme en V-ing
could I be boggling? could you be boggling? could he be boggling? could we be boggling? could you be boggling? could they be boggling?
Perfect
could I have boggled? could you have boggled? could he have boggled? could we have boggled? could you have boggled? could they have boggled?
Perfect en V-ing
could I have been boggling? could you have been boggling? could he have been boggling? could we have been boggling? could you have been boggling? could they have been boggling?
Forme interro-négative
Forme simple
could I not boggle? could you not boggle? could he not boggle? could we not boggle? could you not boggle? could they not boggle?
Forme en V-ing
could I not be boggling? could you not be boggling? could he not be boggling? could we not be boggling? could you not be boggling? could they not be boggling?
Perfect
could I not have boggled? could you not have boggled? could he not have boggled? could we not have boggled? could you not have boggled? could they not have boggled?
Perfect en V-ing
could I not have been boggling? could you not have been boggling? could he not have been boggling? could we not have been boggling? could you not have been boggling? could they not have been boggling?