English verb conjugation
SHOULD SUCK

Regular verb: suck - sucked - sucked

Affirmation

Simple form	V-ing form
I'd suck you'd suck he'd suck we'd suck you'd suck they'd suck	I'd be sucking you'd be sucking he'd be sucking we'd be sucking you'd be sucking they'd be sucking
Perfect	V-ing perfect
I should've sucked you should've sucked he should've sucked we should've sucked you should've sucked they should've sucked	I should've been sucking you should've been sucking he should've been sucking we should've been sucking you should've been sucking they should've been sucking

Negation

Simple form	V-ing form
I shouldn't suck you shouldn't suck he shouldn't suck we shouldn't suck you shouldn't suck they shouldn't suck	I shouldn't be sucking you shouldn't be sucking he shouldn't be sucking we shouldn't be sucking you shouldn't be sucking they shouldn't be sucking
Perfect	V-ing perfect
I shouldn't have sucked you shouldn't have sucked he shouldn't have sucked we shouldn't have sucked you shouldn't have sucked they shouldn't have sucked	I shouldn't have been sucking you shouldn't have been sucking he shouldn't have been sucking we shouldn't have been sucking you shouldn't have been sucking they shouldn't have been sucking

Interrogative form

Simple form	V-ing form
should I suck? should you suck? should he suck? should we suck? should you suck? should they suck?	should I be sucking? should you be sucking? should he be sucking? should we be sucking? should you be sucking? should they be sucking?
Perfect	V-ing perfect
should I have sucked? should you have sucked? should he have sucked? should we have sucked? should you have sucked? should they have sucked?	should I have been sucking? should you have been sucking? should he have been sucking? should we have been sucking? should you have been sucking? should they have been sucking?

Interro-negative form

Simple form	V-ing form
shouldn't I suck? shouldn't you suck? shouldn't he suck? shouldn't we suck? shouldn't you suck? shouldn't they suck?	shouldn't I be sucking? shouldn't you be sucking? shouldn't he be sucking? shouldn't we be sucking? shouldn't you be sucking? shouldn't they be sucking?
Perfect	V-ing perfect
shouldn't I have sucked? shouldn't you have sucked? shouldn't he have sucked? shouldn't we have sucked? shouldn't you have sucked? shouldn't they have sucked?	shouldn't I have been sucking? shouldn't you have been sucking? shouldn't he have been sucking? shouldn't we have been sucking? shouldn't you have been sucking? shouldn't they have been sucking?