could withstand
Verbo irregolare: withstand - withstood- withstood

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could withstand
you could withstand
he could withstand
we could withstand
you could withstand
they could withstand 	I could be withstanding
you could be withstanding
he could be withstanding
we could be withstanding
you could be withstanding
they could be withstanding	I could have withstood
you could have withstood
he could have withstood
we could have withstood
you could have withstood
they could have withstood	I could have been withstanding
you could have been withstanding
he could have been withstanding
we could have been withstanding
you could have been withstanding
they could have been withstanding	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not withstand
you could not withstand
he could not withstand
we could not withstand
you could not withstand
they could not withstand 	I could not be withstanding
you could not be withstanding
he could not be withstanding
we could not be withstanding
you could not be withstanding
they could not be withstanding	I could not have withstood
you could not have withstood
he could not have withstood
we could not have withstood
you could not have withstood
they could not have withstood	I could not have been withstanding
you could not have been withstanding
he could not have been withstanding
we could not have been withstanding
you could not have been withstanding
they could not have been withstanding	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I withstand?
could you withstand?
could he withstand?
could we withstand?
could you withstand?
could they withstand? 	could I be withstanding?
could you be withstanding?
could he be withstanding?
could we be withstanding?
could you be withstanding?
could they be withstanding? 	could I have withstood?
could you have withstood?
could he have withstood?
could we have withstood?
could you have withstood?
could they have withstood? 	could I have been withstanding?
could you have been withstanding?
could he have been withstanding?
could we have been withstanding?
could you have been withstanding?
could they have been withstanding? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not withstand?
could you not withstand?
could he not withstand?
could we not withstand?
could you not withstand?
could they not withstand? 	could I not be withstanding?
could you not be withstanding?
could he not be withstanding?
could we not be withstanding?
could you not be withstanding?
could they not be withstanding? 	could I not have withstood?
could you not have withstood?
could he not have withstood?
could we not have withstood?
could you not have withstood?
could they not have withstood? 	could I not have been withstanding?
could you not have been withstanding?
could he not have been withstanding?
could we not have been withstanding?
could you not have been withstanding?
could they not have been withstanding?