could slip-stitch
Verbe régulier : slip-stitch - slip-stitched- slip-stitched

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could slip-stitch
you could slip-stitch
he could slip-stitch
we could slip-stitch
you could slip-stitch
they could slip-stitch 	I could be slip-stitching
you could be slip-stitching
he could be slip-stitching
we could be slip-stitching
you could be slip-stitching
they could be slip-stitching	I could have slip-stitched
you could have slip-stitched
he could have slip-stitched
we could have slip-stitched
you could have slip-stitched
they could have slip-stitched	I could have been slip-stitching
you could have been slip-stitching
he could have been slip-stitching
we could have been slip-stitching
you could have been slip-stitching
they could have been slip-stitching	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't slip-stitch
you couldn't slip-stitch
he couldn't slip-stitch
we couldn't slip-stitch
you couldn't slip-stitch
they couldn't slip-stitch 	I couldn't be slip-stitching
you couldn't be slip-stitching
he couldn't be slip-stitching
we couldn't be slip-stitching
you couldn't be slip-stitching
they couldn't be slip-stitching	I couldn't have slip-stitched
you couldn't have slip-stitched
he couldn't have slip-stitched
we couldn't have slip-stitched
you couldn't have slip-stitched
they couldn't have slip-stitched	I couldn't have been slip-stitching
you couldn't have been slip-stitching
he couldn't have been slip-stitching
we couldn't have been slip-stitching
you couldn't have been slip-stitching
they couldn't have been slip-stitching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I slip-stitch?
could you slip-stitch?
could he slip-stitch?
could we slip-stitch?
could you slip-stitch?
could they slip-stitch? 	could I be slip-stitching?
could you be slip-stitching?
could he be slip-stitching?
could we be slip-stitching?
could you be slip-stitching?
could they be slip-stitching? 	could I have slip-stitched?
could you have slip-stitched?
could he have slip-stitched?
could we have slip-stitched?
could you have slip-stitched?
could they have slip-stitched? 	could I have been slip-stitching?
could you have been slip-stitching?
could he have been slip-stitching?
could we have been slip-stitching?
could you have been slip-stitching?
could they have been slip-stitching? 	

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