could puncture
Verbo regolare: puncture - punctured- punctured

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could puncture
you could puncture
he could puncture
we could puncture
you could puncture
they could puncture 	I could be puncturing
you could be puncturing
he could be puncturing
we could be puncturing
you could be puncturing
they could be puncturing	I could have punctured
you could have punctured
he could have punctured
we could have punctured
you could have punctured
they could have punctured	I could have been puncturing
you could have been puncturing
he could have been puncturing
we could have been puncturing
you could have been puncturing
they could have been puncturing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't puncture
you couldn't puncture
he couldn't puncture
we couldn't puncture
you couldn't puncture
they couldn't puncture 	I couldn't be puncturing
you couldn't be puncturing
he couldn't be puncturing
we couldn't be puncturing
you couldn't be puncturing
they couldn't be puncturing	I couldn't have punctured
you couldn't have punctured
he couldn't have punctured
we couldn't have punctured
you couldn't have punctured
they couldn't have punctured	I couldn't have been puncturing
you couldn't have been puncturing
he couldn't have been puncturing
we couldn't have been puncturing
you couldn't have been puncturing
they couldn't have been puncturing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I puncture?
could you puncture?
could he puncture?
could we puncture?
could you puncture?
could they puncture? 	could I be puncturing?
could you be puncturing?
could he be puncturing?
could we be puncturing?
could you be puncturing?
could they be puncturing? 	could I have punctured?
could you have punctured?
could he have punctured?
could we have punctured?
could you have punctured?
could they have punctured? 	could I have been puncturing?
could you have been puncturing?
could he have been puncturing?
could we have been puncturing?
could you have been puncturing?
could they have been puncturing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I puncture?
couldn't you puncture?
couldn't he puncture?
couldn't we puncture?
couldn't you puncture?
couldn't they puncture? 	couldn't I be puncturing?
couldn't you be puncturing?
couldn't he be puncturing?
couldn't we be puncturing?
couldn't you be puncturing?
couldn't they be puncturing? 	couldn't I have punctured?
couldn't you have punctured?
couldn't he have punctured?
couldn't we have punctured?
couldn't you have punctured?
couldn't they have punctured? 	couldn't I have been puncturing?
couldn't you have been puncturing?
couldn't he have been puncturing?
couldn't we have been puncturing?
couldn't you have been puncturing?
couldn't they have been puncturing?