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