English verb conjugation
SHOULD LURK

Regular verb: lurk - lurked - lurked

Affirmation

Simple form	V-ing form
I'd lurk you'd lurk he'd lurk we'd lurk you'd lurk they'd lurk	I'd be lurking you'd be lurking he'd be lurking we'd be lurking you'd be lurking they'd be lurking
Perfect	V-ing perfect
I should've lurked you should've lurked he should've lurked we should've lurked you should've lurked they should've lurked	I should've been lurking you should've been lurking he should've been lurking we should've been lurking you should've been lurking they should've been lurking

Negation

Simple form	V-ing form
I shouldn't lurk you shouldn't lurk he shouldn't lurk we shouldn't lurk you shouldn't lurk they shouldn't lurk	I shouldn't be lurking you shouldn't be lurking he shouldn't be lurking we shouldn't be lurking you shouldn't be lurking they shouldn't be lurking
Perfect	V-ing perfect
I shouldn't have lurked you shouldn't have lurked he shouldn't have lurked we shouldn't have lurked you shouldn't have lurked they shouldn't have lurked	I shouldn't have been lurking you shouldn't have been lurking he shouldn't have been lurking we shouldn't have been lurking you shouldn't have been lurking they shouldn't have been lurking

Interrogative form

Simple form	V-ing form
should I lurk? should you lurk? should he lurk? should we lurk? should you lurk? should they lurk?	should I be lurking? should you be lurking? should he be lurking? should we be lurking? should you be lurking? should they be lurking?
Perfect	V-ing perfect
should I have lurked? should you have lurked? should he have lurked? should we have lurked? should you have lurked? should they have lurked?	should I have been lurking? should you have been lurking? should he have been lurking? should we have been lurking? should you have been lurking? should they have been lurking?

Interro-negative form

Simple form	V-ing form
shouldn't I lurk? shouldn't you lurk? shouldn't he lurk? shouldn't we lurk? shouldn't you lurk? shouldn't they lurk?	shouldn't I be lurking? shouldn't you be lurking? shouldn't he be lurking? shouldn't we be lurking? shouldn't you be lurking? shouldn't they be lurking?
Perfect	V-ing perfect
shouldn't I have lurked? shouldn't you have lurked? shouldn't he have lurked? shouldn't we have lurked? shouldn't you have lurked? shouldn't they have lurked?	shouldn't I have been lurking? shouldn't you have been lurking? shouldn't he have been lurking? shouldn't we have been lurking? shouldn't you have been lurking? shouldn't they have been lurking?