English verb conjugation
SHOULD YAK

Regular verb: yak - yaked - yaked

Affirmation

Simple form	V-ing form
I'd yak you'd yak she'd yak we'd yak you'd yak they'd yak	I'd be yaking you'd be yaking she'd be yaking we'd be yaking you'd be yaking they'd be yaking
Perfect	V-ing perfect
I should've yaked you should've yaked she should've yaked we should've yaked you should've yaked they should've yaked	I should've been yaking you should've been yaking she should've been yaking we should've been yaking you should've been yaking they should've been yaking

Negation

Simple form	V-ing form
I shouldn't yak you shouldn't yak she shouldn't yak we shouldn't yak you shouldn't yak they shouldn't yak	I shouldn't be yaking you shouldn't be yaking she shouldn't be yaking we shouldn't be yaking you shouldn't be yaking they shouldn't be yaking
Perfect	V-ing perfect
I shouldn't have yaked you shouldn't have yaked she shouldn't have yaked we shouldn't have yaked you shouldn't have yaked they shouldn't have yaked	I shouldn't have been yaking you shouldn't have been yaking she shouldn't have been yaking we shouldn't have been yaking you shouldn't have been yaking they shouldn't have been yaking

Interrogative form

Simple form	V-ing form
should I yak? should you yak? should she yak? should we yak? should you yak? should they yak?	should I be yaking? should you be yaking? should she be yaking? should we be yaking? should you be yaking? should they be yaking?
Perfect	V-ing perfect
should I have yaked? should you have yaked? should she have yaked? should we have yaked? should you have yaked? should they have yaked?	should I have been yaking? should you have been yaking? should she have been yaking? should we have been yaking? should you have been yaking? should they have been yaking?

Interro-negative form

Simple form	V-ing form
shouldn't I yak? shouldn't you yak? shouldn't she yak? shouldn't we yak? shouldn't you yak? shouldn't they yak?	shouldn't I be yaking? shouldn't you be yaking? shouldn't she be yaking? shouldn't we be yaking? shouldn't you be yaking? shouldn't they be yaking?
Perfect	V-ing perfect
shouldn't I have yaked? shouldn't you have yaked? shouldn't she have yaked? shouldn't we have yaked? shouldn't you have yaked? shouldn't they have yaked?	shouldn't I have been yaking? shouldn't you have been yaking? shouldn't she have been yaking? shouldn't we have been yaking? shouldn't you have been yaking? shouldn't they have been yaking?