Conjugación del verbo inglés
SHOULD CONTEND

Verbo regular: contend - contended - contended

Afirmación

Forma simple	Forma con 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
Perfecto	Perfecto con V-ing
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

Negación

Forma simple	Forma con 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
Perfecto	Perfecto con V-ing
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 con 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?
Perfecto	Perfecto con V-ing
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-negativa

Forma simple	Forma con 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?
Perfecto	Perfecto con V-ing
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?