I should punch you should punch she should punch we should punch you should punch they should punch
V-ing form
I should be punching you should be punching she should be punching we should be punching you should be punching they should be punching
Perfect
I should have punched you should have punched she should have punched we should have punched you should have punched they should have punched
V-ing perfect
I should have been punching you should have been punching she should have been punching we should have been punching you should have been punching they should have been punching
Negation
Simple form
I should not punch you should not punch she should not punch we should not punch you should not punch they should not punch
V-ing form
I should not be punching you should not be punching she should not be punching we should not be punching you should not be punching they should not be punching
Perfect
I should not have punched you should not have punched she should not have punched we should not have punched you should not have punched they should not have punched
V-ing perfect
I should not have been punching you should not have been punching she should not have been punching we should not have been punching you should not have been punching they should not have been punching
Interrogative form
Simple form
should I punch? should you punch? should she punch? should we punch? should you punch? should they punch?
V-ing form
should I be punching? should you be punching? should she be punching? should we be punching? should you be punching? should they be punching?
Perfect
should I have punched? should you have punched? should she have punched? should we have punched? should you have punched? should they have punched?
V-ing perfect
should I have been punching? should you have been punching? should she have been punching? should we have been punching? should you have been punching? should they have been punching?
Interro-negative form
Simple form
should I not punch? should you not punch? should she not punch? should we not punch? should you not punch? should they not punch?
V-ing form
should I not be punching? should you not be punching? should she not be punching? should we not be punching? should you not be punching? should they not be punching?
Perfect
should I not have punched? should you not have punched? should she not have punched? should we not have punched? should you not have punched? should they not have punched?
V-ing perfect
should I not have been punching? should you not have been punching? should she not have been punching? should we not have been punching? should you not have been punching? should they not have been punching?