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