English verb conjugation
SHOULD BUCK

Regular verb: buck - bucked - bucked

Affirmation

Simple form	V-ing form
I'd buck you'd buck he'd buck we'd buck you'd buck they'd buck	I'd be bucking you'd be bucking he'd be bucking we'd be bucking you'd be bucking they'd be bucking
Perfect	V-ing perfect
I should've bucked you should've bucked he should've bucked we should've bucked you should've bucked they should've bucked	I should've been bucking you should've been bucking he should've been bucking we should've been bucking you should've been bucking they should've been bucking

Negation

Simple form	V-ing form
I shouldn't buck you shouldn't buck he shouldn't buck we shouldn't buck you shouldn't buck they shouldn't buck	I shouldn't be bucking you shouldn't be bucking he shouldn't be bucking we shouldn't be bucking you shouldn't be bucking they shouldn't be bucking
Perfect	V-ing perfect
I shouldn't have bucked you shouldn't have bucked he shouldn't have bucked we shouldn't have bucked you shouldn't have bucked they shouldn't have bucked	I shouldn't have been bucking you shouldn't have been bucking he shouldn't have been bucking we shouldn't have been bucking you shouldn't have been bucking they shouldn't have been bucking

Interrogative form

Simple form	V-ing form
should I buck? should you buck? should he buck? should we buck? should you buck? should they buck?	should I be bucking? should you be bucking? should he be bucking? should we be bucking? should you be bucking? should they be bucking?
Perfect	V-ing perfect
should I have bucked? should you have bucked? should he have bucked? should we have bucked? should you have bucked? should they have bucked?	should I have been bucking? should you have been bucking? should he have been bucking? should we have been bucking? should you have been bucking? should they have been bucking?

Interro-negative form

Simple form	V-ing form
shouldn't I buck? shouldn't you buck? shouldn't he buck? shouldn't we buck? shouldn't you buck? shouldn't they buck?	shouldn't I be bucking? shouldn't you be bucking? shouldn't he be bucking? shouldn't we be bucking? shouldn't you be bucking? shouldn't they be bucking?
Perfect	V-ing perfect
shouldn't I have bucked? shouldn't you have bucked? shouldn't he have bucked? shouldn't we have bucked? shouldn't you have bucked? shouldn't they have bucked?	shouldn't I have been bucking? shouldn't you have been bucking? shouldn't he have been bucking? shouldn't we have been bucking? shouldn't you have been bucking? shouldn't they have been bucking?