English verb conjugation
SHOULD SWEETEN

Regular verb: sweeten - sweetened - sweetened

Affirmation

Simple form	V-ing form
I'd sweeten you'd sweeten he'd sweeten we'd sweeten you'd sweeten they'd sweeten	I'd be sweetening you'd be sweetening he'd be sweetening we'd be sweetening you'd be sweetening they'd be sweetening
Perfect	V-ing perfect
I should've sweetened you should've sweetened he should've sweetened we should've sweetened you should've sweetened they should've sweetened	I should've been sweetening you should've been sweetening he should've been sweetening we should've been sweetening you should've been sweetening they should've been sweetening

Negation

Simple form	V-ing form
I shouldn't sweeten you shouldn't sweeten he shouldn't sweeten we shouldn't sweeten you shouldn't sweeten they shouldn't sweeten	I shouldn't be sweetening you shouldn't be sweetening he shouldn't be sweetening we shouldn't be sweetening you shouldn't be sweetening they shouldn't be sweetening
Perfect	V-ing perfect
I shouldn't have sweetened you shouldn't have sweetened he shouldn't have sweetened we shouldn't have sweetened you shouldn't have sweetened they shouldn't have sweetened	I shouldn't have been sweetening you shouldn't have been sweetening he shouldn't have been sweetening we shouldn't have been sweetening you shouldn't have been sweetening they shouldn't have been sweetening

Interrogative form

Simple form	V-ing form
should I sweeten? should you sweeten? should he sweeten? should we sweeten? should you sweeten? should they sweeten?	should I be sweetening? should you be sweetening? should he be sweetening? should we be sweetening? should you be sweetening? should they be sweetening?
Perfect	V-ing perfect
should I have sweetened? should you have sweetened? should he have sweetened? should we have sweetened? should you have sweetened? should they have sweetened?	should I have been sweetening? should you have been sweetening? should he have been sweetening? should we have been sweetening? should you have been sweetening? should they have been sweetening?

Interro-negative form

Simple form	V-ing form
shouldn't I sweeten? shouldn't you sweeten? shouldn't he sweeten? shouldn't we sweeten? shouldn't you sweeten? shouldn't they sweeten?	shouldn't I be sweetening? shouldn't you be sweetening? shouldn't he be sweetening? shouldn't we be sweetening? shouldn't you be sweetening? shouldn't they be sweetening?
Perfect	V-ing perfect
shouldn't I have sweetened? shouldn't you have sweetened? shouldn't he have sweetened? shouldn't we have sweetened? shouldn't you have sweetened? shouldn't they have sweetened?	shouldn't I have been sweetening? shouldn't you have been sweetening? shouldn't he have been sweetening? shouldn't we have been sweetening? shouldn't you have been sweetening? shouldn't they have been sweetening?