English verb conjugation
SHOULD YES

Regular verb: yes - yesed - yesed

Affirmation

Simple form	V-ing form
I'd yes you'd yes he'd yes we'd yes you'd yes they'd yes	I'd be yesing you'd be yesing he'd be yesing we'd be yesing you'd be yesing they'd be yesing
Perfect	V-ing perfect
I should've yesed you should've yesed he should've yesed we should've yesed you should've yesed they should've yesed	I should've been yesing you should've been yesing he should've been yesing we should've been yesing you should've been yesing they should've been yesing

Negation

Simple form	V-ing form
I shouldn't yes you shouldn't yes he shouldn't yes we shouldn't yes you shouldn't yes they shouldn't yes	I shouldn't be yesing you shouldn't be yesing he shouldn't be yesing we shouldn't be yesing you shouldn't be yesing they shouldn't be yesing
Perfect	V-ing perfect
I shouldn't have yesed you shouldn't have yesed he shouldn't have yesed we shouldn't have yesed you shouldn't have yesed they shouldn't have yesed	I shouldn't have been yesing you shouldn't have been yesing he shouldn't have been yesing we shouldn't have been yesing you shouldn't have been yesing they shouldn't have been yesing

Interrogative form

Simple form	V-ing form
should I yes? should you yes? should he yes? should we yes? should you yes? should they yes?	should I be yesing? should you be yesing? should he be yesing? should we be yesing? should you be yesing? should they be yesing?
Perfect	V-ing perfect
should I have yesed? should you have yesed? should he have yesed? should we have yesed? should you have yesed? should they have yesed?	should I have been yesing? should you have been yesing? should he have been yesing? should we have been yesing? should you have been yesing? should they have been yesing?

Interro-negative form

Simple form	V-ing form
shouldn't I yes? shouldn't you yes? shouldn't he yes? shouldn't we yes? shouldn't you yes? shouldn't they yes?	shouldn't I be yesing? shouldn't you be yesing? shouldn't he be yesing? shouldn't we be yesing? shouldn't you be yesing? shouldn't they be yesing?
Perfect	V-ing perfect
shouldn't I have yesed? shouldn't you have yesed? shouldn't he have yesed? shouldn't we have yesed? shouldn't you have yesed? shouldn't they have yesed?	shouldn't I have been yesing? shouldn't you have been yesing? shouldn't he have been yesing? shouldn't we have been yesing? shouldn't you have been yesing? shouldn't they have been yesing?