I could packet you could packet she could packet we could packet you could packet they could packet
Forme en V-ing
I could be packeting you could be packeting she could be packeting we could be packeting you could be packeting they could be packeting
Perfect
I could have packeted you could have packeted she could have packeted we could have packeted you could have packeted they could have packeted
Perfect en V-ing
I could have been packeting you could have been packeting she could have been packeting we could have been packeting you could have been packeting they could have been packeting
Négation
Forme simple
I couldn't packet you couldn't packet she couldn't packet we couldn't packet you couldn't packet they couldn't packet
Forme en V-ing
I couldn't be packeting you couldn't be packeting she couldn't be packeting we couldn't be packeting you couldn't be packeting they couldn't be packeting
Perfect
I couldn't have packeted you couldn't have packeted she couldn't have packeted we couldn't have packeted you couldn't have packeted they couldn't have packeted
Perfect en V-ing
I couldn't have been packeting you couldn't have been packeting she couldn't have been packeting we couldn't have been packeting you couldn't have been packeting they couldn't have been packeting
Forme interrogative
Forme simple
could I packet? could you packet? could she packet? could we packet? could you packet? could they packet?
Forme en V-ing
could I be packeting? could you be packeting? could she be packeting? could we be packeting? could you be packeting? could they be packeting?
Perfect
could I have packeted? could you have packeted? could she have packeted? could we have packeted? could you have packeted? could they have packeted?
Perfect en V-ing
could I have been packeting? could you have been packeting? could she have been packeting? could we have been packeting? could you have been packeting? could they have been packeting?
Forme interro-négative
Forme simple
couldn't I packet? couldn't you packet? couldn't she packet? couldn't we packet? couldn't you packet? couldn't they packet?
Forme en V-ing
couldn't I be packeting? couldn't you be packeting? couldn't she be packeting? couldn't we be packeting? couldn't you be packeting? couldn't they be packeting?
Perfect
couldn't I have packeted? couldn't you have packeted? couldn't she have packeted? couldn't we have packeted? couldn't you have packeted? couldn't they have packeted?
Perfect en V-ing
couldn't I have been packeting? couldn't you have been packeting? couldn't she have been packeting? couldn't we have been packeting? couldn't you have been packeting? couldn't they have been packeting?