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