English verb conjugation
SHOULD LOOSEN

Regular verb: loosen - loosened - loosened

Affirmation

Simple form	V-ing form
I'd loosen you'd loosen he'd loosen we'd loosen you'd loosen they'd loosen	I'd be loosening you'd be loosening he'd be loosening we'd be loosening you'd be loosening they'd be loosening
Perfect	V-ing perfect
I should've loosened you should've loosened he should've loosened we should've loosened you should've loosened they should've loosened	I should've been loosening you should've been loosening he should've been loosening we should've been loosening you should've been loosening they should've been loosening

Negation

Simple form	V-ing form
I shouldn't loosen you shouldn't loosen he shouldn't loosen we shouldn't loosen you shouldn't loosen they shouldn't loosen	I shouldn't be loosening you shouldn't be loosening he shouldn't be loosening we shouldn't be loosening you shouldn't be loosening they shouldn't be loosening
Perfect	V-ing perfect
I shouldn't have loosened you shouldn't have loosened he shouldn't have loosened we shouldn't have loosened you shouldn't have loosened they shouldn't have loosened	I shouldn't have been loosening you shouldn't have been loosening he shouldn't have been loosening we shouldn't have been loosening you shouldn't have been loosening they shouldn't have been loosening

Interrogative form

Simple form	V-ing form
should I loosen? should you loosen? should he loosen? should we loosen? should you loosen? should they loosen?	should I be loosening? should you be loosening? should he be loosening? should we be loosening? should you be loosening? should they be loosening?
Perfect	V-ing perfect
should I have loosened? should you have loosened? should he have loosened? should we have loosened? should you have loosened? should they have loosened?	should I have been loosening? should you have been loosening? should he have been loosening? should we have been loosening? should you have been loosening? should they have been loosening?

Interro-negative form

Simple form	V-ing form
shouldn't I loosen? shouldn't you loosen? shouldn't he loosen? shouldn't we loosen? shouldn't you loosen? shouldn't they loosen?	shouldn't I be loosening? shouldn't you be loosening? shouldn't he be loosening? shouldn't we be loosening? shouldn't you be loosening? shouldn't they be loosening?
Perfect	V-ing perfect
shouldn't I have loosened? shouldn't you have loosened? shouldn't he have loosened? shouldn't we have loosened? shouldn't you have loosened? shouldn't they have loosened?	shouldn't I have been loosening? shouldn't you have been loosening? shouldn't he have been loosening? shouldn't we have been loosening? shouldn't you have been loosening? shouldn't they have been loosening?