I'd be contend contending you'd be contend contending she'd be contend contending we'd be contend contending you'd be contend contending they'd be contend contending
Perfect
I should've contend contended you should've contend contended she should've contend contended we should've contend contended you should've contend contended they should've contend contended
V-ing perfect
I should've been contend contending you should've been contend contending she should've been contend contending we should've been contend contending you should've been contend contending they should've been contend contending
Negation
Simple form
I shouldn't contend contend you shouldn't contend contend she shouldn't contend contend we shouldn't contend contend you shouldn't contend contend they shouldn't contend contend
V-ing form
I shouldn't be contend contending you shouldn't be contend contending she shouldn't be contend contending we shouldn't be contend contending you shouldn't be contend contending they shouldn't be contend contending
Perfect
I shouldn't have contend contended you shouldn't have contend contended she shouldn't have contend contended we shouldn't have contend contended you shouldn't have contend contended they shouldn't have contend contended
V-ing perfect
I shouldn't have been contend contending you shouldn't have been contend contending she shouldn't have been contend contending we shouldn't have been contend contending you shouldn't have been contend contending they shouldn't have been contend contending
Interrogative form
Simple form
should I contend contend? should you contend contend? should she contend contend? should we contend contend? should you contend contend? should they contend contend?
V-ing form
should I be contend contending? should you be contend contending? should she be contend contending? should we be contend contending? should you be contend contending? should they be contend contending?
Perfect
should I have contend contended? should you have contend contended? should she have contend contended? should we have contend contended? should you have contend contended? should they have contend contended?
V-ing perfect
should I have been contend contending? should you have been contend contending? should she have been contend contending? should we have been contend contending? should you have been contend contending? should they have been contend contending?
Interro-negative form
Simple form
shouldn't I contend contend? shouldn't you contend contend? shouldn't she contend contend? shouldn't we contend contend? shouldn't you contend contend? shouldn't they contend contend?
V-ing form
shouldn't I be contend contending? shouldn't you be contend contending? shouldn't she be contend contending? shouldn't we be contend contending? shouldn't you be contend contending? shouldn't they be contend contending?
Perfect
shouldn't I have contend contended? shouldn't you have contend contended? shouldn't she have contend contended? shouldn't we have contend contended? shouldn't you have contend contended? shouldn't they have contend contended?
V-ing perfect
shouldn't I have been contend contending? shouldn't you have been contend contending? shouldn't she have been contend contending? shouldn't we have been contend contending? shouldn't you have been contend contending? shouldn't they have been contend contending?