English verb conjugation
SHOULD BOB

Regular verb: bob - bobbed - bobbed

Affirmation

Simple form	V-ing form
I'd bob you'd bob he'd bob we'd bob you'd bob they'd bob	I'd be bobbing you'd be bobbing he'd be bobbing we'd be bobbing you'd be bobbing they'd be bobbing
Perfect	V-ing perfect
I should've bobbed you should've bobbed he should've bobbed we should've bobbed you should've bobbed they should've bobbed	I should've been bobbing you should've been bobbing he should've been bobbing we should've been bobbing you should've been bobbing they should've been bobbing

Negation

Simple form	V-ing form
I shouldn't bob you shouldn't bob he shouldn't bob we shouldn't bob you shouldn't bob they shouldn't bob	I shouldn't be bobbing you shouldn't be bobbing he shouldn't be bobbing we shouldn't be bobbing you shouldn't be bobbing they shouldn't be bobbing
Perfect	V-ing perfect
I shouldn't have bobbed you shouldn't have bobbed he shouldn't have bobbed we shouldn't have bobbed you shouldn't have bobbed they shouldn't have bobbed	I shouldn't have been bobbing you shouldn't have been bobbing he shouldn't have been bobbing we shouldn't have been bobbing you shouldn't have been bobbing they shouldn't have been bobbing

Interrogative form

Simple form	V-ing form
should I bob? should you bob? should he bob? should we bob? should you bob? should they bob?	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	V-ing 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?	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	V-ing form
shouldn't I bob? shouldn't you bob? shouldn't he bob? shouldn't we bob? shouldn't you bob? shouldn't they bob?	shouldn't I be bobbing? shouldn't you be bobbing? shouldn't he be bobbing? shouldn't we be bobbing? shouldn't you be bobbing? shouldn't they be bobbing?
Perfect	V-ing perfect
shouldn't I have bobbed? shouldn't you have bobbed? shouldn't he have bobbed? shouldn't we have bobbed? shouldn't you have bobbed? shouldn't they have bobbed?	shouldn't I have been bobbing? shouldn't you have been bobbing? shouldn't he have been bobbing? shouldn't we have been bobbing? shouldn't you have been bobbing? shouldn't they have been bobbing?