English verb conjugation
SHOULD SINGE

Regular verb: singe - singed - singed

Affirmation

Simple form	V-ing form
I'd singe you'd singe he'd singe we'd singe you'd singe they'd singe	I'd be singing you'd be singing he'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 he 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 he 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 he 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 he 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 he 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 he 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 he singe? should we singe? should you singe? should they singe?	should I be singing? should you be singing? should he 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 he 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 he 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 he 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 he 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 he 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 he have been singing? shouldn't we have been singing? shouldn't you have been singing? shouldn't they have been singing?