could machine-stitch
Verbo regular: machine-stitch - machine-stitched- machine-stitched

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could machine-stitch
you could machine-stitch
he could machine-stitch
we could machine-stitch
you could machine-stitch
they could machine-stitch 	I could be machine-stitching
you could be machine-stitching
he could be machine-stitching
we could be machine-stitching
you could be machine-stitching
they could be machine-stitching	I could have machine-stitched
you could have machine-stitched
he could have machine-stitched
we could have machine-stitched
you could have machine-stitched
they could have machine-stitched	I could have been machine-stitching
you could have been machine-stitching
he could have been machine-stitching
we could have been machine-stitching
you could have been machine-stitching
they could have been machine-stitching	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't machine-stitch
you couldn't machine-stitch
he couldn't machine-stitch
we couldn't machine-stitch
you couldn't machine-stitch
they couldn't machine-stitch 	I couldn't be machine-stitching
you couldn't be machine-stitching
he couldn't be machine-stitching
we couldn't be machine-stitching
you couldn't be machine-stitching
they couldn't be machine-stitching	I couldn't have machine-stitched
you couldn't have machine-stitched
he couldn't have machine-stitched
we couldn't have machine-stitched
you couldn't have machine-stitched
they couldn't have machine-stitched	I couldn't have been machine-stitching
you couldn't have been machine-stitching
he couldn't have been machine-stitching
we couldn't have been machine-stitching
you couldn't have been machine-stitching
they couldn't have been machine-stitching	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I machine-stitch?
could you machine-stitch?
could he machine-stitch?
could we machine-stitch?
could you machine-stitch?
could they machine-stitch? 	could I be machine-stitching?
could you be machine-stitching?
could he be machine-stitching?
could we be machine-stitching?
could you be machine-stitching?
could they be machine-stitching? 	could I have machine-stitched?
could you have machine-stitched?
could he have machine-stitched?
could we have machine-stitched?
could you have machine-stitched?
could they have machine-stitched? 	could I have been machine-stitching?
could you have been machine-stitching?
could he have been machine-stitching?
could we have been machine-stitching?
could you have been machine-stitching?
could they have been machine-stitching? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I machine-stitch?
couldn't you machine-stitch?
couldn't he machine-stitch?
couldn't we machine-stitch?
couldn't you machine-stitch?
couldn't they machine-stitch? 	couldn't I be machine-stitching?
couldn't you be machine-stitching?
couldn't he be machine-stitching?
couldn't we be machine-stitching?
couldn't you be machine-stitching?
couldn't they be machine-stitching? 	couldn't I have machine-stitched?
couldn't you have machine-stitched?
couldn't he have machine-stitched?
couldn't we have machine-stitched?
couldn't you have machine-stitched?
couldn't they have machine-stitched? 	couldn't I have been machine-stitching?
couldn't you have been machine-stitching?
couldn't he have been machine-stitching?
couldn't we have been machine-stitching?
couldn't you have been machine-stitching?
couldn't they have been machine-stitching?