I should shake you should shake she should shake we should shake you should shake they should shake
V-ing form
I should be shaking you should be shaking she should be shaking we should be shaking you should be shaking they should be shaking
Perfect
I should have shaken you should have shaken she should have shaken we should have shaken you should have shaken they should have shaken
V-ing perfect
I should have been shaking you should have been shaking she should have been shaking we should have been shaking you should have been shaking they should have been shaking
Negation
Simple form
I should not shake you should not shake she should not shake we should not shake you should not shake they should not shake
V-ing form
I should not be shaking you should not be shaking she should not be shaking we should not be shaking you should not be shaking they should not be shaking
Perfect
I should not have shaken you should not have shaken she should not have shaken we should not have shaken you should not have shaken they should not have shaken
V-ing perfect
I should not have been shaking you should not have been shaking she should not have been shaking we should not have been shaking you should not have been shaking they should not have been shaking
Interrogative form
Simple form
should I shake? should you shake? should she shake? should we shake? should you shake? should they shake?
V-ing form
should I be shaking? should you be shaking? should she be shaking? should we be shaking? should you be shaking? should they be shaking?
Perfect
should I have shaken? should you have shaken? should she 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 she have been shaking? should we have been shaking? should you have been shaking? should they have been shaking?
Interro-negative form
Simple form
should I not shake? should you not shake? should she not shake? should we not shake? should you not shake? should they not shake?
V-ing form
should I not be shaking? should you not be shaking? should she not be shaking? should we not be shaking? should you not be shaking? should they not be shaking?
Perfect
should I not have shaken? should you not have shaken? should she not have shaken? should we not have shaken? should you not have shaken? should they not have shaken?
V-ing perfect
should I not have been shaking? should you not have been shaking? should she not have been shaking? should we not have been shaking? should you not have been shaking? should they not have been shaking?