I must stitch you must stitch she must stitch we must stitch you must stitch they must stitch
Forma com V-ing
I must be stitching you must be stitching she must be stitching we must be stitching you must be stitching they must be stitching
Perfeito
I must have stitched you must have stitched she must have stitched we must have stitched you must have stitched they must have stitched
Perfeito com V-ing
I must have been stitching you must have been stitching she must have been stitching we must have been stitching you must have been stitching they must have been stitching
Negação
Forma simple
I mustn't stitch you mustn't stitch she mustn't stitch we mustn't stitch you mustn't stitch they mustn't stitch
Forma com V-ing
I mustn't be stitching you mustn't be stitching she mustn't be stitching we mustn't be stitching you mustn't be stitching they mustn't be stitching
Perfeito
I mustn't have stitched you mustn't have stitched she mustn't have stitched we mustn't have stitched you mustn't have stitched they mustn't have stitched
Perfeito com V-ing
I mustn't have been stitching you mustn't have been stitching she mustn't have been stitching we mustn't have been stitching you mustn't have been stitching they mustn't have been stitching
Forma interrogativa
Forma simple
must I stitch? must you stitch? must she stitch? must we stitch? must you stitch? must they stitch?
Forma com V-ing
must I be stitching? must you be stitching? must she be stitching? must we be stitching? must you be stitching? must they be stitching?
Perfeito
must I have stitched? must you have stitched? must she have stitched? must we have stitched? must you have stitched? must they have stitched?
Perfeito com V-ing
must I have been stitching? must you have been stitching? must she have been stitching? must we have been stitching? must you have been stitching? must they have been stitching?
Forma interro-Negação
Forma simple
mustn't I stitch? mustn't you stitch? mustn't she stitch? mustn't we stitch? mustn't you stitch? mustn't they stitch?
Forma com V-ing
mustn't I be stitching? mustn't you be stitching? mustn't she be stitching? mustn't we be stitching? mustn't you be stitching? mustn't they be stitching?
Perfeito
mustn't I have stitched? mustn't you have stitched? mustn't she have stitched? mustn't we have stitched? mustn't you have stitched? mustn't they have stitched?
Perfeito com V-ing
mustn't I have been stitching? mustn't you have been stitching? mustn't she have been stitching? mustn't we have been stitching? mustn't you have been stitching? mustn't they have been stitching?