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