English verb conjugation
MAY MACHINE-STITCH

Regular verb: machine-stitch - machine-stitched - machine-stitched

Affirmation

Simple form	V-ing form
I may machine-stitch you may machine-stitch he may machine-stitch we may machine-stitch you may machine-stitch they may machine-stitch	I may be machine-stitching you may be machine-stitching he may be machine-stitching we may be machine-stitching you may be machine-stitching they may be machine-stitching
Perfect	V-ing perfect
I may have machine-stitched you may have machine-stitched he may have machine-stitched we may have machine-stitched you may have machine-stitched they may have machine-stitched	I may have been machine-stitching you may have been machine-stitching he may have been machine-stitching we may have been machine-stitching you may have been machine-stitching they may have been machine-stitching

Negation

Simple form	V-ing form
I mayn't machine-stitch you mayn't machine-stitch he mayn't machine-stitch we mayn't machine-stitch you mayn't machine-stitch they mayn't machine-stitch	I mayn't be machine-stitching you mayn't be machine-stitching he mayn't be machine-stitching we mayn't be machine-stitching you mayn't be machine-stitching they mayn't be machine-stitching
Perfect	V-ing perfect
I mayn't have machine-stitched you mayn't have machine-stitched he mayn't have machine-stitched we mayn't have machine-stitched you mayn't have machine-stitched they mayn't have machine-stitched	I mayn't have been machine-stitching you mayn't have been machine-stitching he mayn't have been machine-stitching we mayn't have been machine-stitching you mayn't have been machine-stitching they mayn't have been machine-stitching

Interrogative form

Simple form	V-ing form
may I machine-stitch? may you machine-stitch? may he machine-stitch? may we machine-stitch? may you machine-stitch? may they machine-stitch?	may I be machine-stitching? may you be machine-stitching? may he be machine-stitching? may we be machine-stitching? may you be machine-stitching? may they be machine-stitching?
Perfect	V-ing perfect
may I have machine-stitched? may you have machine-stitched? may he have machine-stitched? may we have machine-stitched? may you have machine-stitched? may they have machine-stitched?	may I have been machine-stitching? may you have been machine-stitching? may he have been machine-stitching? may we have been machine-stitching? may you have been machine-stitching? may they have been machine-stitching?

Interro-negative form

Simple form	V-ing form
mayn't I machine-stitch? mayn't you machine-stitch? mayn't he machine-stitch? mayn't we machine-stitch? mayn't you machine-stitch? mayn't they machine-stitch?	mayn't I be machine-stitching? mayn't you be machine-stitching? mayn't he be machine-stitching? mayn't we be machine-stitching? mayn't you be machine-stitching? mayn't they be machine-stitching?
Perfect	V-ing perfect
mayn't I have machine-stitched? mayn't you have machine-stitched? mayn't he have machine-stitched? mayn't we have machine-stitched? mayn't you have machine-stitched? mayn't they have machine-stitched?	mayn't I have been machine-stitching? mayn't you have been machine-stitching? mayn't he have been machine-stitching? mayn't we have been machine-stitching? mayn't you have been machine-stitching? mayn't they have been machine-stitching?