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