could darn
Verbo regular: darn - darned- darned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could darn
you could darn
he could darn
we could darn
you could darn
they could darn 	I could be darning
you could be darning
he could be darning
we could be darning
you could be darning
they could be darning	I could have darned
you could have darned
he could have darned
we could have darned
you could have darned
they could have darned	I could have been darning
you could have been darning
he could have been darning
we could have been darning
you could have been darning
they could have been darning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't darn
you couldn't darn
he couldn't darn
we couldn't darn
you couldn't darn
they couldn't darn 	I couldn't be darning
you couldn't be darning
he couldn't be darning
we couldn't be darning
you couldn't be darning
they couldn't be darning	I couldn't have darned
you couldn't have darned
he couldn't have darned
we couldn't have darned
you couldn't have darned
they couldn't have darned	I couldn't have been darning
you couldn't have been darning
he couldn't have been darning
we couldn't have been darning
you couldn't have been darning
they couldn't have been darning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I darn?
could you darn?
could he darn?
could we darn?
could you darn?
could they darn? 	could I be darning?
could you be darning?
could he be darning?
could we be darning?
could you be darning?
could they be darning? 	could I have darned?
could you have darned?
could he have darned?
could we have darned?
could you have darned?
could they have darned? 	could I have been darning?
could you have been darning?
could he have been darning?
could we have been darning?
could you have been darning?
could they have been darning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I darn?
couldn't you darn?
couldn't he darn?
couldn't we darn?
couldn't you darn?
couldn't they darn? 	couldn't I be darning?
couldn't you be darning?
couldn't he be darning?
couldn't we be darning?
couldn't you be darning?
couldn't they be darning? 	couldn't I have darned?
couldn't you have darned?
couldn't he have darned?
couldn't we have darned?
couldn't you have darned?
couldn't they have darned? 	couldn't I have been darning?
couldn't you have been darning?
couldn't he have been darning?
couldn't we have been darning?
couldn't you have been darning?
couldn't they have been darning?