I must slip-stitch you must slip-stitch he must slip-stitch we must slip-stitch you must slip-stitch they must slip-stitch
Forme en V-ing
I must be slip-stitching you must be slip-stitching he must be slip-stitching we must be slip-stitching you must be slip-stitching they must be slip-stitching
Perfect
I must have slip-stitched you must have slip-stitched he must have slip-stitched we must have slip-stitched you must have slip-stitched they must have slip-stitched
Perfect en V-ing
I must have been slip-stitching you must have been slip-stitching he must have been slip-stitching we must have been slip-stitching you must have been slip-stitching they must have been slip-stitching
Négation
Forme simple
I mustn't slip-stitch you mustn't slip-stitch he mustn't slip-stitch we mustn't slip-stitch you mustn't slip-stitch they mustn't slip-stitch
Forme en V-ing
I mustn't be slip-stitching you mustn't be slip-stitching he mustn't be slip-stitching we mustn't be slip-stitching you mustn't be slip-stitching they mustn't be slip-stitching
Perfect
I mustn't have slip-stitched you mustn't have slip-stitched he mustn't have slip-stitched we mustn't have slip-stitched you mustn't have slip-stitched they mustn't have slip-stitched
Perfect en V-ing
I mustn't have been slip-stitching you mustn't have been slip-stitching he mustn't have been slip-stitching we mustn't have been slip-stitching you mustn't have been slip-stitching they mustn't have been slip-stitching
Forme interrogative
Forme simple
must I slip-stitch? must you slip-stitch? must he slip-stitch? must we slip-stitch? must you slip-stitch? must they slip-stitch?
Forme en V-ing
must I be slip-stitching? must you be slip-stitching? must he be slip-stitching? must we be slip-stitching? must you be slip-stitching? must they be slip-stitching?
Perfect
must I have slip-stitched? must you have slip-stitched? must he have slip-stitched? must we have slip-stitched? must you have slip-stitched? must they have slip-stitched?
Perfect en V-ing
must I have been slip-stitching? must you have been slip-stitching? must he have been slip-stitching? must we have been slip-stitching? must you have been slip-stitching? must they have been slip-stitching?
Forme interro-négative
Forme simple
mustn't I slip-stitch? mustn't you slip-stitch? mustn't he slip-stitch? mustn't we slip-stitch? mustn't you slip-stitch? mustn't they slip-stitch?
Forme en V-ing
mustn't I be slip-stitching? mustn't you be slip-stitching? mustn't he be slip-stitching? mustn't we be slip-stitching? mustn't you be slip-stitching? mustn't they be slip-stitching?
Perfect
mustn't I have slip-stitched? mustn't you have slip-stitched? mustn't he have slip-stitched? mustn't we have slip-stitched? mustn't you have slip-stitched? mustn't they have slip-stitched?
Perfect en V-ing
mustn't I have been slip-stitching? mustn't you have been slip-stitching? mustn't he have been slip-stitching? mustn't we have been slip-stitching? mustn't you have been slip-stitching? mustn't they have been slip-stitching?