I should flex you should flex he should flex we should flex you should flex they should flex
V-ing form
I should be flexing you should be flexing he should be flexing we should be flexing you should be flexing they should be flexing
Perfect
I should have flexed you should have flexed he should have flexed we should have flexed you should have flexed they should have flexed
V-ing perfect
I should have been flexing you should have been flexing he should have been flexing we should have been flexing you should have been flexing they should have been flexing
Negation
Simple form
I should not flex you should not flex he should not flex we should not flex you should not flex they should not flex
V-ing form
I should not be flexing you should not be flexing he should not be flexing we should not be flexing you should not be flexing they should not be flexing
Perfect
I should not have flexed you should not have flexed he should not have flexed we should not have flexed you should not have flexed they should not have flexed
V-ing perfect
I should not have been flexing you should not have been flexing he should not have been flexing we should not have been flexing you should not have been flexing they should not have been flexing
Interrogative form
Simple form
should I flex? should you flex? should he flex? should we flex? should you flex? should they flex?
V-ing form
should I be flexing? should you be flexing? should he be flexing? should we be flexing? should you be flexing? should they be flexing?
Perfect
should I have flexed? should you have flexed? should he have flexed? should we have flexed? should you have flexed? should they have flexed?
V-ing perfect
should I have been flexing? should you have been flexing? should he have been flexing? should we have been flexing? should you have been flexing? should they have been flexing?
Interro-negative form
Simple form
should I not flex? should you not flex? should he not flex? should we not flex? should you not flex? should they not flex?
V-ing form
should I not be flexing? should you not be flexing? should he not be flexing? should we not be flexing? should you not be flexing? should they not be flexing?
Perfect
should I not have flexed? should you not have flexed? should he not have flexed? should we not have flexed? should you not have flexed? should they not have flexed?
V-ing perfect
should I not have been flexing? should you not have been flexing? should he not have been flexing? should we not have been flexing? should you not have been flexing? should they not have been flexing?