I should bob you should bob she should bob we should bob you should bob they should bob
V-ing form
I should be bobbing you should be bobbing she should be bobbing we should be bobbing you should be bobbing they should be bobbing
Perfect
I should have bobbed you should have bobbed she 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 she 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 she 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 she 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 she 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 she 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 she bob? should we bob? should you bob? should they bob?
V-ing form
should I be bobbing? should you be bobbing? should she be bobbing? should we be bobbing? should you be bobbing? should they be bobbing?
Perfect
should I have bobbed? should you have bobbed? should she 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 she 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 she 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 she 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 she 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 she not have been bobbing? should we not have been bobbing? should you not have been bobbing? should they not have been bobbing?