should contend
Verbo regular: contend - contended- contended

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd contend
you'd contend
she'd contend
we'd contend
you'd contend
they'd contend 	I'd be contending
you'd be contending
she'd be contending
we'd be contending
you'd be contending
they'd be contending	I should've contended
you should've contended
she should've contended
we should've contended
you should've contended
they should've contended	I should've been contending
you should've been contending
she should've been contending
we should've been contending
you should've been contending
they should've been contending	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't contend
you shouldn't contend
she shouldn't contend
we shouldn't contend
you shouldn't contend
they shouldn't contend 	I shouldn't be contending
you shouldn't be contending
she shouldn't be contending
we shouldn't be contending
you shouldn't be contending
they shouldn't be contending	I shouldn't have contended
you shouldn't have contended
she shouldn't have contended
we shouldn't have contended
you shouldn't have contended
they shouldn't have contended	I shouldn't have been contending
you shouldn't have been contending
she shouldn't have been contending
we shouldn't have been contending
you shouldn't have been contending
they shouldn't have been contending	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I contend?
should you contend?
should she contend?
should we contend?
should you contend?
should they contend? 	should I be contending?
should you be contending?
should she be contending?
should we be contending?
should you be contending?
should they be contending? 	should I have contended?
should you have contended?
should she have contended?
should we have contended?
should you have contended?
should they have contended? 	should I have been contending?
should you have been contending?
should she have been contending?
should we have been contending?
should you have been contending?
should they have been contending? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I contend?
shouldn't you contend?
shouldn't she contend?
shouldn't we contend?
shouldn't you contend?
shouldn't they contend? 	shouldn't I be contending?
shouldn't you be contending?
shouldn't she be contending?
shouldn't we be contending?
shouldn't you be contending?
shouldn't they be contending? 	shouldn't I have contended?
shouldn't you have contended?
shouldn't she have contended?
shouldn't we have contended?
shouldn't you have contended?
shouldn't they have contended? 	shouldn't I have been contending?
shouldn't you have been contending?
shouldn't she have been contending?
shouldn't we have been contending?
shouldn't you have been contending?
shouldn't they have been contending?