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