I should bob you should bob he should bob we should bob you should bob they should bob
V-ing form
I should be bobbing you should be bobbing he should be bobbing we should be bobbing you should be bobbing they should be bobbing
Perfect
I should have bobbed you should have bobbed he should have bobbed we should have bobbed you should have bobbed they should have bobbed
V-ing perfect
I should have been bobbing you should have been bobbing he should have been bobbing we should have been bobbing you should have been bobbing they should have been bobbing
Negation
Simple form
I should not bob you should not bob he should not bob we should not bob you should not bob they should not bob
V-ing form
I should not be bobbing you should not be bobbing he should not be bobbing we should not be bobbing you should not be bobbing they should not be bobbing
Perfect
I should not have bobbed you should not have bobbed he should not have bobbed we should not have bobbed you should not have bobbed they should not have bobbed
V-ing perfect
I should not have been bobbing you should not have been bobbing he should not have been bobbing we should not have been bobbing you should not have been bobbing they should not have been bobbing
Interrogative form
Simple form
should I bob? should you bob? should he bob? should we bob? should you bob? should they bob?
V-ing form
should I be bobbing? should you be bobbing? should he be bobbing? should we be bobbing? should you be bobbing? should they be bobbing?
Perfect
should I have bobbed? should you have bobbed? should he have bobbed? should we have bobbed? should you have bobbed? should they have bobbed?
V-ing perfect
should I have been bobbing? should you have been bobbing? should he have been bobbing? should we have been bobbing? should you have been bobbing? should they have been bobbing?
Interro-negative form
Simple form
should I not bob? should you not bob? should he not bob? should we not bob? should you not bob? should they not bob?
V-ing form
should I not be bobbing? should you not be bobbing? should he not be bobbing? should we not be bobbing? should you not be bobbing? should they not be bobbing?
Perfect
should I not have bobbed? should you not have bobbed? should he not have bobbed? should we not have bobbed? should you not have bobbed? should they not have bobbed?
V-ing perfect
should I not have been bobbing? should you not have been bobbing? should he not have been bobbing? should we not have been bobbing? should you not have been bobbing? should they not have been bobbing?