I could burke you could burke she could burke we could burke you could burke they could burke
Forme en V-ing
I could be burking you could be burking she could be burking we could be burking you could be burking they could be burking
Perfect
I could have burked you could have burked she could have burked we could have burked you could have burked they could have burked
Perfect en V-ing
I could have been burking you could have been burking she could have been burking we could have been burking you could have been burking they could have been burking
Négation
Forme simple
I could not burke you could not burke she could not burke we could not burke you could not burke they could not burke
Forme en V-ing
I could not be burking you could not be burking she could not be burking we could not be burking you could not be burking they could not be burking
Perfect
I could not have burked you could not have burked she could not have burked we could not have burked you could not have burked they could not have burked
Perfect en V-ing
I could not have been burking you could not have been burking she could not have been burking we could not have been burking you could not have been burking they could not have been burking
Forme interrogative
Forme simple
could I burke? could you burke? could she burke? could we burke? could you burke? could they burke?
Forme en V-ing
could I be burking? could you be burking? could she be burking? could we be burking? could you be burking? could they be burking?
Perfect
could I have burked? could you have burked? could she have burked? could we have burked? could you have burked? could they have burked?
Perfect en V-ing
could I have been burking? could you have been burking? could she have been burking? could we have been burking? could you have been burking? could they have been burking?
Forme interro-négative
Forme simple
could I not burke? could you not burke? could she not burke? could we not burke? could you not burke? could they not burke?
Forme en V-ing
could I not be burking? could you not be burking? could she not be burking? could we not be burking? could you not be burking? could they not be burking?
Perfect
could I not have burked? could you not have burked? could she not have burked? could we not have burked? could you not have burked? could they not have burked?
Perfect en V-ing
could I not have been burking? could you not have been burking? could she not have been burking? could we not have been burking? could you not have been burking? could they not have been burking?