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