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