English verb conjugation
SHOULD DISCARD

Regular verb: discard - discarded - discarded

Affirmation

Simple form	V-ing form
I'd discard you'd discard he'd discard we'd discard you'd discard they'd discard	I'd be discarding you'd be discarding he'd be discarding we'd be discarding you'd be discarding they'd be discarding
Perfect	V-ing perfect
I should've discarded you should've discarded he should've discarded we should've discarded you should've discarded they should've discarded	I should've been discarding you should've been discarding he should've been discarding we should've been discarding you should've been discarding they should've been discarding

Negation

Simple form	V-ing form
I shouldn't discard you shouldn't discard he shouldn't discard we shouldn't discard you shouldn't discard they shouldn't discard	I shouldn't be discarding you shouldn't be discarding he shouldn't be discarding we shouldn't be discarding you shouldn't be discarding they shouldn't be discarding
Perfect	V-ing perfect
I shouldn't have discarded you shouldn't have discarded he shouldn't have discarded we shouldn't have discarded you shouldn't have discarded they shouldn't have discarded	I shouldn't have been discarding you shouldn't have been discarding he shouldn't have been discarding we shouldn't have been discarding you shouldn't have been discarding they shouldn't have been discarding

Interrogative form

Simple form	V-ing form
should I discard? should you discard? should he discard? should we discard? should you discard? should they discard?	should I be discarding? should you be discarding? should he be discarding? should we be discarding? should you be discarding? should they be discarding?
Perfect	V-ing perfect
should I have discarded? should you have discarded? should he have discarded? should we have discarded? should you have discarded? should they have discarded?	should I have been discarding? should you have been discarding? should he have been discarding? should we have been discarding? should you have been discarding? should they have been discarding?

Interro-negative form

Simple form	V-ing form
shouldn't I discard? shouldn't you discard? shouldn't he discard? shouldn't we discard? shouldn't you discard? shouldn't they discard?	shouldn't I be discarding? shouldn't you be discarding? shouldn't he be discarding? shouldn't we be discarding? shouldn't you be discarding? shouldn't they be discarding?
Perfect	V-ing perfect
shouldn't I have discarded? shouldn't you have discarded? shouldn't he have discarded? shouldn't we have discarded? shouldn't you have discarded? shouldn't they have discarded?	shouldn't I have been discarding? shouldn't you have been discarding? shouldn't he have been discarding? shouldn't we have been discarding? shouldn't you have been discarding? shouldn't they have been discarding?