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