could string
Verbo irregolare: string - strung- strung

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could string
you could string
he could string
we could string
you could string
they could string 	I could be stringing
you could be stringing
he could be stringing
we could be stringing
you could be stringing
they could be stringing	I could have strung
you could have strung
he could have strung
we could have strung
you could have strung
they could have strung	I could have been stringing
you could have been stringing
he could have been stringing
we could have been stringing
you could have been stringing
they could have been stringing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't string
you couldn't string
he couldn't string
we couldn't string
you couldn't string
they couldn't string 	I couldn't be stringing
you couldn't be stringing
he couldn't be stringing
we couldn't be stringing
you couldn't be stringing
they couldn't be stringing	I couldn't have strung
you couldn't have strung
he couldn't have strung
we couldn't have strung
you couldn't have strung
they couldn't have strung	I couldn't have been stringing
you couldn't have been stringing
he couldn't have been stringing
we couldn't have been stringing
you couldn't have been stringing
they couldn't have been stringing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I string?
could you string?
could he string?
could we string?
could you string?
could they string? 	could I be stringing?
could you be stringing?
could he be stringing?
could we be stringing?
could you be stringing?
could they be stringing? 	could I have strung?
could you have strung?
could he have strung?
could we have strung?
could you have strung?
could they have strung? 	could I have been stringing?
could you have been stringing?
could he have been stringing?
could we have been stringing?
could you have been stringing?
could they have been stringing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I string?
couldn't you string?
couldn't he string?
couldn't we string?
couldn't you string?
couldn't they string? 	couldn't I be stringing?
couldn't you be stringing?
couldn't he be stringing?
couldn't we be stringing?
couldn't you be stringing?
couldn't they be stringing? 	couldn't I have strung?
couldn't you have strung?
couldn't he have strung?
couldn't we have strung?
couldn't you have strung?
couldn't they have strung? 	couldn't I have been stringing?
couldn't you have been stringing?
couldn't he have been stringing?
couldn't we have been stringing?
couldn't you have been stringing?
couldn't they have been stringing?