I can slip-stitch you can slip-stitch he can slip-stitch we can slip-stitch you can slip-stitch they can slip-stitch
V-ing form
I can be slip-stitching you can be slip-stitching he can be slip-stitching we can be slip-stitching you can be slip-stitching they can be slip-stitching
Perfect
I can have slip-stitched you can have slip-stitched he can have slip-stitched we can have slip-stitched you can have slip-stitched they can have slip-stitched
V-ing perfect
I can have been slip-stitching you can have been slip-stitching he can have been slip-stitching we can have been slip-stitching you can have been slip-stitching they can have been slip-stitching
Negation
Simple form
I can't slip-stitch you can't slip-stitch he can't slip-stitch we can't slip-stitch you can't slip-stitch they can't slip-stitch
V-ing form
I can't be slip-stitching you can't be slip-stitching he can't be slip-stitching we can't be slip-stitching you can't be slip-stitching they can't be slip-stitching
Perfect
I can't have slip-stitched you can't have slip-stitched he can't have slip-stitched we can't have slip-stitched you can't have slip-stitched they can't have slip-stitched
V-ing perfect
I can't have been slip-stitching you can't have been slip-stitching he can't have been slip-stitching we can't have been slip-stitching you can't have been slip-stitching they can't have been slip-stitching
Interrogative form
Simple form
can I slip-stitch? can you slip-stitch? can he slip-stitch? can we slip-stitch? can you slip-stitch? can they slip-stitch?
V-ing form
can I be slip-stitching? can you be slip-stitching? can he be slip-stitching? can we be slip-stitching? can you be slip-stitching? can they be slip-stitching?
Perfect
can I have slip-stitched? can you have slip-stitched? can he have slip-stitched? can we have slip-stitched? can you have slip-stitched? can they have slip-stitched?
V-ing perfect
can I have been slip-stitching? can you have been slip-stitching? can he have been slip-stitching? can we have been slip-stitching? can you have been slip-stitching? can they have been slip-stitching?
Interro-negative form
Simple form
can't I slip-stitch? can't you slip-stitch? can't he slip-stitch? can't we slip-stitch? can't you slip-stitch? can't they slip-stitch?
V-ing form
can't I be slip-stitching? can't you be slip-stitching? can't he be slip-stitching? can't we be slip-stitching? can't you be slip-stitching? can't they be slip-stitching?
Perfect
can't I have slip-stitched? can't you have slip-stitched? can't he have slip-stitched? can't we have slip-stitched? can't you have slip-stitched? can't they have slip-stitched?
V-ing perfect
can't I have been slip-stitching? can't you have been slip-stitching? can't he have been slip-stitching? can't we have been slip-stitching? can't you have been slip-stitching? can't they have been slip-stitching?