I'd be ligating you'd be ligating he'd be ligating we'd be ligating you'd be ligating they'd be ligating
Perfect
I should've ligated you should've ligated he should've ligated we should've ligated you should've ligated they should've ligated
V-ing perfect
I should've been ligating you should've been ligating he should've been ligating we should've been ligating you should've been ligating they should've been ligating
Negation
Simple form
I shouldn't ligate you shouldn't ligate he shouldn't ligate we shouldn't ligate you shouldn't ligate they shouldn't ligate
V-ing form
I shouldn't be ligating you shouldn't be ligating he shouldn't be ligating we shouldn't be ligating you shouldn't be ligating they shouldn't be ligating
Perfect
I shouldn't have ligated you shouldn't have ligated he shouldn't have ligated we shouldn't have ligated you shouldn't have ligated they shouldn't have ligated
V-ing perfect
I shouldn't have been ligating you shouldn't have been ligating he shouldn't have been ligating we shouldn't have been ligating you shouldn't have been ligating they shouldn't have been ligating
Interrogative form
Simple form
should I ligate? should you ligate? should he ligate? should we ligate? should you ligate? should they ligate?
V-ing form
should I be ligating? should you be ligating? should he be ligating? should we be ligating? should you be ligating? should they be ligating?
Perfect
should I have ligated? should you have ligated? should he have ligated? should we have ligated? should you have ligated? should they have ligated?
V-ing perfect
should I have been ligating? should you have been ligating? should he have been ligating? should we have been ligating? should you have been ligating? should they have been ligating?
Interro-negative form
Simple form
shouldn't I ligate? shouldn't you ligate? shouldn't he ligate? shouldn't we ligate? shouldn't you ligate? shouldn't they ligate?
V-ing form
shouldn't I be ligating? shouldn't you be ligating? shouldn't he be ligating? shouldn't we be ligating? shouldn't you be ligating? shouldn't they be ligating?
Perfect
shouldn't I have ligated? shouldn't you have ligated? shouldn't he have ligated? shouldn't we have ligated? shouldn't you have ligated? shouldn't they have ligated?
V-ing perfect
shouldn't I have been ligating? shouldn't you have been ligating? shouldn't he have been ligating? shouldn't we have been ligating? shouldn't you have been ligating? shouldn't they have been ligating?