should withstand
Verbo irregular: withstand - withstood- withstood

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd withstand
you'd withstand
he'd withstand
we'd withstand
you'd withstand
they'd withstand 	I'd be withstanding
you'd be withstanding
he'd be withstanding
we'd be withstanding
you'd be withstanding
they'd be withstanding	I should've withstood
you should've withstood
he should've withstood
we should've withstood
you should've withstood
they should've withstood	I should've been withstanding
you should've been withstanding
he should've been withstanding
we should've been withstanding
you should've been withstanding
they should've been withstanding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't withstand
you shouldn't withstand
he shouldn't withstand
we shouldn't withstand
you shouldn't withstand
they shouldn't withstand 	I shouldn't be withstanding
you shouldn't be withstanding
he shouldn't be withstanding
we shouldn't be withstanding
you shouldn't be withstanding
they shouldn't be withstanding	I shouldn't have withstood
you shouldn't have withstood
he shouldn't have withstood
we shouldn't have withstood
you shouldn't have withstood
they shouldn't have withstood	I shouldn't have been withstanding
you shouldn't have been withstanding
he shouldn't have been withstanding
we shouldn't have been withstanding
you shouldn't have been withstanding
they shouldn't have been withstanding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I withstand?
should you withstand?
should he withstand?
should we withstand?
should you withstand?
should they withstand? 	should I be withstanding?
should you be withstanding?
should he be withstanding?
should we be withstanding?
should you be withstanding?
should they be withstanding? 	should I have withstood?
should you have withstood?
should he have withstood?
should we have withstood?
should you have withstood?
should they have withstood? 	should I have been withstanding?
should you have been withstanding?
should he have been withstanding?
should we have been withstanding?
should you have been withstanding?
should they have been withstanding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I withstand?
shouldn't you withstand?
shouldn't he withstand?
shouldn't we withstand?
shouldn't you withstand?
shouldn't they withstand? 	shouldn't I be withstanding?
shouldn't you be withstanding?
shouldn't he be withstanding?
shouldn't we be withstanding?
shouldn't you be withstanding?
shouldn't they be withstanding? 	shouldn't I have withstood?
shouldn't you have withstood?
shouldn't he have withstood?
shouldn't we have withstood?
shouldn't you have withstood?
shouldn't they have withstood? 	shouldn't I have been withstanding?
shouldn't you have been withstanding?
shouldn't he have been withstanding?
shouldn't we have been withstanding?
shouldn't you have been withstanding?
shouldn't they have been withstanding?