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