must slip-stitch
Verbo regular: slip-stitch - slip-stitched- slip-stitched

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must slip-stitch
you must slip-stitch
he must slip-stitch
we must slip-stitch
you must slip-stitch
they must slip-stitch 	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	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	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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not slip-stitch
you must not slip-stitch
he must not slip-stitch
we must not slip-stitch
you must not slip-stitch
they must not slip-stitch 	I must not be slip-stitching
you must not be slip-stitching
he must not be slip-stitching
we must not be slip-stitching
you must not be slip-stitching
they must not be slip-stitching	I must not have slip-stitched
you must not have slip-stitched
he must not have slip-stitched
we must not have slip-stitched
you must not have slip-stitched
they must not have slip-stitched	I must not have been slip-stitching
you must not have been slip-stitching
he must not have been slip-stitching
we must not have been slip-stitching
you must not have been slip-stitching
they must not have been slip-stitching	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I slip-stitch?
must you slip-stitch?
must he slip-stitch?
must we slip-stitch?
must you slip-stitch?
must they slip-stitch? 	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? 	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? 	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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not slip-stitch?
must you not slip-stitch?
must he not slip-stitch?
must we not slip-stitch?
must you not slip-stitch?
must they not slip-stitch? 	must I not be slip-stitching?
must you not be slip-stitching?
must he not be slip-stitching?
must we not be slip-stitching?
must you not be slip-stitching?
must they not be slip-stitching? 	must I not have slip-stitched?
must you not have slip-stitched?
must he not have slip-stitched?
must we not have slip-stitched?
must you not have slip-stitched?
must they not have slip-stitched? 	must I not have been slip-stitching?
must you not have been slip-stitching?
must he not have been slip-stitching?
must we not have been slip-stitching?
must you not have been slip-stitching?
must they not have been slip-stitching?