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