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