English verb conjugation
SHOULD SINGE

Regular verb: singe - singed - singed

Affirmation

Simple form	V-ing form
I'd singe you'd singe she'd singe we'd singe you'd singe they'd singe	I'd be singing you'd be singing she'd be singing we'd be singing you'd be singing they'd be singing
Perfect	V-ing perfect
I should've singed you should've singed she should've singed we should've singed you should've singed they should've singed	I should've been singing you should've been singing she should've been singing we should've been singing you should've been singing they should've been singing

Negation

Simple form	V-ing form
I shouldn't singe you shouldn't singe she shouldn't singe we shouldn't singe you shouldn't singe they shouldn't singe	I shouldn't be singing you shouldn't be singing she shouldn't be singing we shouldn't be singing you shouldn't be singing they shouldn't be singing
Perfect	V-ing perfect
I shouldn't have singed you shouldn't have singed she shouldn't have singed we shouldn't have singed you shouldn't have singed they shouldn't have singed	I shouldn't have been singing you shouldn't have been singing she shouldn't have been singing we shouldn't have been singing you shouldn't have been singing they shouldn't have been singing

Interrogative form

Simple form	V-ing form
should I singe? should you singe? should she singe? should we singe? should you singe? should they singe?	should I be singing? should you be singing? should she be singing? should we be singing? should you be singing? should they be singing?
Perfect	V-ing perfect
should I have singed? should you have singed? should she have singed? should we have singed? should you have singed? should they have singed?	should I have been singing? should you have been singing? should she have been singing? should we have been singing? should you have been singing? should they have been singing?

Interro-negative form

Simple form	V-ing form
shouldn't I singe? shouldn't you singe? shouldn't she singe? shouldn't we singe? shouldn't you singe? shouldn't they singe?	shouldn't I be singing? shouldn't you be singing? shouldn't she be singing? shouldn't we be singing? shouldn't you be singing? shouldn't they be singing?
Perfect	V-ing perfect
shouldn't I have singed? shouldn't you have singed? shouldn't she have singed? shouldn't we have singed? shouldn't you have singed? shouldn't they have singed?	shouldn't I have been singing? shouldn't you have been singing? shouldn't she have been singing? shouldn't we have been singing? shouldn't you have been singing? shouldn't they have been singing?