English verb conjugation
SHOULD CONTEST

Regular verb: contest - contested - contested

Affirmation

Simple form	V-ing form
I'd contest you'd contest he'd contest we'd contest you'd contest they'd contest	I'd be contesting you'd be contesting he'd be contesting we'd be contesting you'd be contesting they'd be contesting
Perfect	V-ing perfect
I should've contested you should've contested he should've contested we should've contested you should've contested they should've contested	I should've been contesting you should've been contesting he should've been contesting we should've been contesting you should've been contesting they should've been contesting

Negation

Simple form	V-ing form
I shouldn't contest you shouldn't contest he shouldn't contest we shouldn't contest you shouldn't contest they shouldn't contest	I shouldn't be contesting you shouldn't be contesting he shouldn't be contesting we shouldn't be contesting you shouldn't be contesting they shouldn't be contesting
Perfect	V-ing perfect
I shouldn't have contested you shouldn't have contested he shouldn't have contested we shouldn't have contested you shouldn't have contested they shouldn't have contested	I shouldn't have been contesting you shouldn't have been contesting he shouldn't have been contesting we shouldn't have been contesting you shouldn't have been contesting they shouldn't have been contesting

Interrogative form

Simple form	V-ing form
should I contest? should you contest? should he contest? should we contest? should you contest? should they contest?	should I be contesting? should you be contesting? should he be contesting? should we be contesting? should you be contesting? should they be contesting?
Perfect	V-ing perfect
should I have contested? should you have contested? should he have contested? should we have contested? should you have contested? should they have contested?	should I have been contesting? should you have been contesting? should he have been contesting? should we have been contesting? should you have been contesting? should they have been contesting?

Interro-negative form

Simple form	V-ing form
shouldn't I contest? shouldn't you contest? shouldn't he contest? shouldn't we contest? shouldn't you contest? shouldn't they contest?	shouldn't I be contesting? shouldn't you be contesting? shouldn't he be contesting? shouldn't we be contesting? shouldn't you be contesting? shouldn't they be contesting?
Perfect	V-ing perfect
shouldn't I have contested? shouldn't you have contested? shouldn't he have contested? shouldn't we have contested? shouldn't you have contested? shouldn't they have contested?	shouldn't I have been contesting? shouldn't you have been contesting? shouldn't he have been contesting? shouldn't we have been contesting? shouldn't you have been contesting? shouldn't they have been contesting?