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