English verb conjugation
SHOULD WITHSTAND

Irregular verb: withstand - withstood - withstood

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?