English verb conjugation
SHOULD LOSE

Irregular verb: lose - lost - lost

Affirmation

Simple form	V-ing form
I'd lose you'd lose he'd lose we'd lose you'd lose they'd lose	I'd be losing you'd be losing he'd be losing we'd be losing you'd be losing they'd be losing
Perfect	V-ing perfect
I should've lost you should've lost he should've lost we should've lost you should've lost they should've lost	I should've been losing you should've been losing he should've been losing we should've been losing you should've been losing they should've been losing

Negation

Simple form	V-ing form
I shouldn't lose you shouldn't lose he shouldn't lose we shouldn't lose you shouldn't lose they shouldn't lose	I shouldn't be losing you shouldn't be losing he shouldn't be losing we shouldn't be losing you shouldn't be losing they shouldn't be losing
Perfect	V-ing perfect
I shouldn't have lost you shouldn't have lost he shouldn't have lost we shouldn't have lost you shouldn't have lost they shouldn't have lost	I shouldn't have been losing you shouldn't have been losing he shouldn't have been losing we shouldn't have been losing you shouldn't have been losing they shouldn't have been losing

Interrogative form

Simple form	V-ing form
should I lose? should you lose? should he lose? should we lose? should you lose? should they lose?	should I be losing? should you be losing? should he be losing? should we be losing? should you be losing? should they be losing?
Perfect	V-ing perfect
should I have lost? should you have lost? should he have lost? should we have lost? should you have lost? should they have lost?	should I have been losing? should you have been losing? should he have been losing? should we have been losing? should you have been losing? should they have been losing?

Interro-negative form

Simple form	V-ing form
shouldn't I lose? shouldn't you lose? shouldn't he lose? shouldn't we lose? shouldn't you lose? shouldn't they lose?	shouldn't I be losing? shouldn't you be losing? shouldn't he be losing? shouldn't we be losing? shouldn't you be losing? shouldn't they be losing?
Perfect	V-ing perfect
shouldn't I have lost? shouldn't you have lost? shouldn't he have lost? shouldn't we have lost? shouldn't you have lost? shouldn't they have lost?	shouldn't I have been losing? shouldn't you have been losing? shouldn't he have been losing? shouldn't we have been losing? shouldn't you have been losing? shouldn't they have been losing?