English verb conjugation
SHOULD BLUNDER

Regular verb: blunder - blundered - blundered

Affirmation

Simple form	V-ing form
I'd blunder you'd blunder he'd blunder we'd blunder you'd blunder they'd blunder	I'd be blundering you'd be blundering he'd be blundering we'd be blundering you'd be blundering they'd be blundering
Perfect	V-ing perfect
I should've blundered you should've blundered he should've blundered we should've blundered you should've blundered they should've blundered	I should've been blundering you should've been blundering he should've been blundering we should've been blundering you should've been blundering they should've been blundering

Negation

Simple form	V-ing form
I shouldn't blunder you shouldn't blunder he shouldn't blunder we shouldn't blunder you shouldn't blunder they shouldn't blunder	I shouldn't be blundering you shouldn't be blundering he shouldn't be blundering we shouldn't be blundering you shouldn't be blundering they shouldn't be blundering
Perfect	V-ing perfect
I shouldn't have blundered you shouldn't have blundered he shouldn't have blundered we shouldn't have blundered you shouldn't have blundered they shouldn't have blundered	I shouldn't have been blundering you shouldn't have been blundering he shouldn't have been blundering we shouldn't have been blundering you shouldn't have been blundering they shouldn't have been blundering

Interrogative form

Simple form	V-ing form
should I blunder? should you blunder? should he blunder? should we blunder? should you blunder? should they blunder?	should I be blundering? should you be blundering? should he be blundering? should we be blundering? should you be blundering? should they be blundering?
Perfect	V-ing perfect
should I have blundered? should you have blundered? should he have blundered? should we have blundered? should you have blundered? should they have blundered?	should I have been blundering? should you have been blundering? should he have been blundering? should we have been blundering? should you have been blundering? should they have been blundering?

Interro-negative form

Simple form	V-ing form
shouldn't I blunder? shouldn't you blunder? shouldn't he blunder? shouldn't we blunder? shouldn't you blunder? shouldn't they blunder?	shouldn't I be blundering? shouldn't you be blundering? shouldn't he be blundering? shouldn't we be blundering? shouldn't you be blundering? shouldn't they be blundering?
Perfect	V-ing perfect
shouldn't I have blundered? shouldn't you have blundered? shouldn't he have blundered? shouldn't we have blundered? shouldn't you have blundered? shouldn't they have blundered?	shouldn't I have been blundering? shouldn't you have been blundering? shouldn't he have been blundering? shouldn't we have been blundering? shouldn't you have been blundering? shouldn't they have been blundering?