I should crush you should crush he should crush we should crush you should crush they should crush
V-ing form
I should be crushing you should be crushing he should be crushing we should be crushing you should be crushing they should be crushing
Perfect
I should have crushed you should have crushed he should have crushed we should have crushed you should have crushed they should have crushed
V-ing perfect
I should have been crushing you should have been crushing he should have been crushing we should have been crushing you should have been crushing they should have been crushing
Negation
Simple form
I should not crush you should not crush he should not crush we should not crush you should not crush they should not crush
V-ing form
I should not be crushing you should not be crushing he should not be crushing we should not be crushing you should not be crushing they should not be crushing
Perfect
I should not have crushed you should not have crushed he should not have crushed we should not have crushed you should not have crushed they should not have crushed
V-ing perfect
I should not have been crushing you should not have been crushing he should not have been crushing we should not have been crushing you should not have been crushing they should not have been crushing
Interrogative form
Simple form
should I crush? should you crush? should he crush? should we crush? should you crush? should they crush?
V-ing form
should I be crushing? should you be crushing? should he be crushing? should we be crushing? should you be crushing? should they be crushing?
Perfect
should I have crushed? should you have crushed? should he have crushed? should we have crushed? should you have crushed? should they have crushed?
V-ing perfect
should I have been crushing? should you have been crushing? should he have been crushing? should we have been crushing? should you have been crushing? should they have been crushing?
Interro-negative form
Simple form
should I not crush? should you not crush? should he not crush? should we not crush? should you not crush? should they not crush?
V-ing form
should I not be crushing? should you not be crushing? should he not be crushing? should we not be crushing? should you not be crushing? should they not be crushing?
Perfect
should I not have crushed? should you not have crushed? should he not have crushed? should we not have crushed? should you not have crushed? should they not have crushed?
V-ing perfect
should I not have been crushing? should you not have been crushing? should he not have been crushing? should we not have been crushing? should you not have been crushing? should they not have been crushing?