I could convect you could convect he could convect we could convect you could convect they could convect
Forme en V-ing
I could be convecting you could be convecting he could be convecting we could be convecting you could be convecting they could be convecting
Perfect
I could have convected you could have convected he could have convected we could have convected you could have convected they could have convected
Perfect en V-ing
I could have been convecting you could have been convecting he could have been convecting we could have been convecting you could have been convecting they could have been convecting
Négation
Forme simple
I couldn't convect you couldn't convect he couldn't convect we couldn't convect you couldn't convect they couldn't convect
Forme en V-ing
I couldn't be convecting you couldn't be convecting he couldn't be convecting we couldn't be convecting you couldn't be convecting they couldn't be convecting
Perfect
I couldn't have convected you couldn't have convected he couldn't have convected we couldn't have convected you couldn't have convected they couldn't have convected
Perfect en V-ing
I couldn't have been convecting you couldn't have been convecting he couldn't have been convecting we couldn't have been convecting you couldn't have been convecting they couldn't have been convecting
Forme interrogative
Forme simple
could I convect? could you convect? could he convect? could we convect? could you convect? could they convect?
Forme en V-ing
could I be convecting? could you be convecting? could he be convecting? could we be convecting? could you be convecting? could they be convecting?
Perfect
could I have convected? could you have convected? could he have convected? could we have convected? could you have convected? could they have convected?
Perfect en V-ing
could I have been convecting? could you have been convecting? could he have been convecting? could we have been convecting? could you have been convecting? could they have been convecting?
Forme interro-négative
Forme simple
couldn't I convect? couldn't you convect? couldn't he convect? couldn't we convect? couldn't you convect? couldn't they convect?
Forme en V-ing
couldn't I be convecting? couldn't you be convecting? couldn't he be convecting? couldn't we be convecting? couldn't you be convecting? couldn't they be convecting?
Perfect
couldn't I have convected? couldn't you have convected? couldn't he have convected? couldn't we have convected? couldn't you have convected? couldn't they have convected?
Perfect en V-ing
couldn't I have been convecting? couldn't you have been convecting? couldn't he have been convecting? couldn't we have been convecting? couldn't you have been convecting? couldn't they have been convecting?