English verb conjugation
SHOULD AVER

Regular verb: aver - averred - averred

Affirmation

Simple form	V-ing form
I'd aver you'd aver he'd aver we'd aver you'd aver they'd aver	I'd be averring you'd be averring he'd be averring we'd be averring you'd be averring they'd be averring
Perfect	V-ing perfect
I should've averred you should've averred he should've averred we should've averred you should've averred they should've averred	I should've been averring you should've been averring he should've been averring we should've been averring you should've been averring they should've been averring

Negation

Simple form	V-ing form
I shouldn't aver you shouldn't aver he shouldn't aver we shouldn't aver you shouldn't aver they shouldn't aver	I shouldn't be averring you shouldn't be averring he shouldn't be averring we shouldn't be averring you shouldn't be averring they shouldn't be averring
Perfect	V-ing perfect
I shouldn't have averred you shouldn't have averred he shouldn't have averred we shouldn't have averred you shouldn't have averred they shouldn't have averred	I shouldn't have been averring you shouldn't have been averring he shouldn't have been averring we shouldn't have been averring you shouldn't have been averring they shouldn't have been averring

Interrogative form

Simple form	V-ing form
should I aver? should you aver? should he aver? should we aver? should you aver? should they aver?	should I be averring? should you be averring? should he be averring? should we be averring? should you be averring? should they be averring?
Perfect	V-ing perfect
should I have averred? should you have averred? should he have averred? should we have averred? should you have averred? should they have averred?	should I have been averring? should you have been averring? should he have been averring? should we have been averring? should you have been averring? should they have been averring?

Interro-negative form

Simple form	V-ing form
shouldn't I aver? shouldn't you aver? shouldn't he aver? shouldn't we aver? shouldn't you aver? shouldn't they aver?	shouldn't I be averring? shouldn't you be averring? shouldn't he be averring? shouldn't we be averring? shouldn't you be averring? shouldn't they be averring?
Perfect	V-ing perfect
shouldn't I have averred? shouldn't you have averred? shouldn't he have averred? shouldn't we have averred? shouldn't you have averred? shouldn't they have averred?	shouldn't I have been averring? shouldn't you have been averring? shouldn't he have been averring? shouldn't we have been averring? shouldn't you have been averring? shouldn't they have been averring?