English verb conjugation
SHOULD YAP

Regular verb: yap - yapped - yapped

Affirmation

Simple form	V-ing form
I'd yap you'd yap he'd yap we'd yap you'd yap they'd yap	I'd be yapping you'd be yapping he'd be yapping we'd be yapping you'd be yapping they'd be yapping
Perfect	V-ing perfect
I should've yapped you should've yapped he should've yapped we should've yapped you should've yapped they should've yapped	I should've been yapping you should've been yapping he should've been yapping we should've been yapping you should've been yapping they should've been yapping

Negation

Simple form	V-ing form
I shouldn't yap you shouldn't yap he shouldn't yap we shouldn't yap you shouldn't yap they shouldn't yap	I shouldn't be yapping you shouldn't be yapping he shouldn't be yapping we shouldn't be yapping you shouldn't be yapping they shouldn't be yapping
Perfect	V-ing perfect
I shouldn't have yapped you shouldn't have yapped he shouldn't have yapped we shouldn't have yapped you shouldn't have yapped they shouldn't have yapped	I shouldn't have been yapping you shouldn't have been yapping he shouldn't have been yapping we shouldn't have been yapping you shouldn't have been yapping they shouldn't have been yapping

Interrogative form

Simple form	V-ing form
should I yap? should you yap? should he yap? should we yap? should you yap? should they yap?	should I be yapping? should you be yapping? should he be yapping? should we be yapping? should you be yapping? should they be yapping?
Perfect	V-ing perfect
should I have yapped? should you have yapped? should he have yapped? should we have yapped? should you have yapped? should they have yapped?	should I have been yapping? should you have been yapping? should he have been yapping? should we have been yapping? should you have been yapping? should they have been yapping?

Interro-negative form

Simple form	V-ing form
shouldn't I yap? shouldn't you yap? shouldn't he yap? shouldn't we yap? shouldn't you yap? shouldn't they yap?	shouldn't I be yapping? shouldn't you be yapping? shouldn't he be yapping? shouldn't we be yapping? shouldn't you be yapping? shouldn't they be yapping?
Perfect	V-ing perfect
shouldn't I have yapped? shouldn't you have yapped? shouldn't he have yapped? shouldn't we have yapped? shouldn't you have yapped? shouldn't they have yapped?	shouldn't I have been yapping? shouldn't you have been yapping? shouldn't he have been yapping? shouldn't we have been yapping? shouldn't you have been yapping? shouldn't they have been yapping?