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