I'd be pecking you'd be pecking he'd be pecking we'd be pecking you'd be pecking they'd be pecking
Perfect
I should've pecked you should've pecked he should've pecked we should've pecked you should've pecked they should've pecked
V-ing perfect
I should've been pecking you should've been pecking he should've been pecking we should've been pecking you should've been pecking they should've been pecking
Negation
Simple form
I shouldn't peck you shouldn't peck he shouldn't peck we shouldn't peck you shouldn't peck they shouldn't peck
V-ing form
I shouldn't be pecking you shouldn't be pecking he shouldn't be pecking we shouldn't be pecking you shouldn't be pecking they shouldn't be pecking
Perfect
I shouldn't have pecked you shouldn't have pecked he shouldn't have pecked we shouldn't have pecked you shouldn't have pecked they shouldn't have pecked
V-ing perfect
I shouldn't have been pecking you shouldn't have been pecking he shouldn't have been pecking we shouldn't have been pecking you shouldn't have been pecking they shouldn't have been pecking
Interrogative form
Simple form
should I peck? should you peck? should he peck? should we peck? should you peck? should they peck?
V-ing form
should I be pecking? should you be pecking? should he be pecking? should we be pecking? should you be pecking? should they be pecking?
Perfect
should I have pecked? should you have pecked? should he have pecked? should we have pecked? should you have pecked? should they have pecked?
V-ing perfect
should I have been pecking? should you have been pecking? should he have been pecking? should we have been pecking? should you have been pecking? should they have been pecking?
Interro-negative form
Simple form
shouldn't I peck? shouldn't you peck? shouldn't he peck? shouldn't we peck? shouldn't you peck? shouldn't they peck?
V-ing form
shouldn't I be pecking? shouldn't you be pecking? shouldn't he be pecking? shouldn't we be pecking? shouldn't you be pecking? shouldn't they be pecking?
Perfect
shouldn't I have pecked? shouldn't you have pecked? shouldn't he have pecked? shouldn't we have pecked? shouldn't you have pecked? shouldn't they have pecked?
V-ing perfect
shouldn't I have been pecking? shouldn't you have been pecking? shouldn't he have been pecking? shouldn't we have been pecking? shouldn't you have been pecking? shouldn't they have been pecking?