English verb conjugation
SHOULD UNLACE

Regular verb: unlace - unlaced - unlaced

Affirmation

Simple form	V-ing form
I'd unlace you'd unlace he'd unlace we'd unlace you'd unlace they'd unlace	I'd be unlacing you'd be unlacing he'd be unlacing we'd be unlacing you'd be unlacing they'd be unlacing
Perfect	V-ing perfect
I should've unlaced you should've unlaced he should've unlaced we should've unlaced you should've unlaced they should've unlaced	I should've been unlacing you should've been unlacing he should've been unlacing we should've been unlacing you should've been unlacing they should've been unlacing

Negation

Simple form	V-ing form
I shouldn't unlace you shouldn't unlace he shouldn't unlace we shouldn't unlace you shouldn't unlace they shouldn't unlace	I shouldn't be unlacing you shouldn't be unlacing he shouldn't be unlacing we shouldn't be unlacing you shouldn't be unlacing they shouldn't be unlacing
Perfect	V-ing perfect
I shouldn't have unlaced you shouldn't have unlaced he shouldn't have unlaced we shouldn't have unlaced you shouldn't have unlaced they shouldn't have unlaced	I shouldn't have been unlacing you shouldn't have been unlacing he shouldn't have been unlacing we shouldn't have been unlacing you shouldn't have been unlacing they shouldn't have been unlacing

Interrogative form

Simple form	V-ing form
should I unlace? should you unlace? should he unlace? should we unlace? should you unlace? should they unlace?	should I be unlacing? should you be unlacing? should he be unlacing? should we be unlacing? should you be unlacing? should they be unlacing?
Perfect	V-ing perfect
should I have unlaced? should you have unlaced? should he have unlaced? should we have unlaced? should you have unlaced? should they have unlaced?	should I have been unlacing? should you have been unlacing? should he have been unlacing? should we have been unlacing? should you have been unlacing? should they have been unlacing?

Interro-negative form

Simple form	V-ing form
shouldn't I unlace? shouldn't you unlace? shouldn't he unlace? shouldn't we unlace? shouldn't you unlace? shouldn't they unlace?	shouldn't I be unlacing? shouldn't you be unlacing? shouldn't he be unlacing? shouldn't we be unlacing? shouldn't you be unlacing? shouldn't they be unlacing?
Perfect	V-ing perfect
shouldn't I have unlaced? shouldn't you have unlaced? shouldn't he have unlaced? shouldn't we have unlaced? shouldn't you have unlaced? shouldn't they have unlaced?	shouldn't I have been unlacing? shouldn't you have been unlacing? shouldn't he have been unlacing? shouldn't we have been unlacing? shouldn't you have been unlacing? shouldn't they have been unlacing?