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