English verb conjugation
SHOULD BOB

Regular verb: bob - bobbed - bobbed

Affirmation

Simple form	V-ing form
I'd bob you'd bob she'd bob we'd bob you'd bob they'd bob	I'd be bobbing you'd be bobbing she'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 she 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 she 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 she 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 she 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 she 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 she 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 she bob? should we bob? should you bob? should they bob?	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	V-ing 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?	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	V-ing form
shouldn't I bob? shouldn't you bob? shouldn't she 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 she 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 she 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 she have been bobbing? shouldn't we have been bobbing? shouldn't you have been bobbing? shouldn't they have been bobbing?