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