English verb conjugation
SHOULD MYSTIFY

Regular verb: mystify - mystified - mystified

Affirmation

Simple form	V-ing form
I'd mystify you'd mystify he'd mystify we'd mystify you'd mystify they'd mystify	I'd be mystifying you'd be mystifying he'd be mystifying we'd be mystifying you'd be mystifying they'd be mystifying
Perfect	V-ing perfect
I should've mystified you should've mystified he should've mystified we should've mystified you should've mystified they should've mystified	I should've been mystifying you should've been mystifying he should've been mystifying we should've been mystifying you should've been mystifying they should've been mystifying

Negation

Simple form	V-ing form
I shouldn't mystify you shouldn't mystify he shouldn't mystify we shouldn't mystify you shouldn't mystify they shouldn't mystify	I shouldn't be mystifying you shouldn't be mystifying he shouldn't be mystifying we shouldn't be mystifying you shouldn't be mystifying they shouldn't be mystifying
Perfect	V-ing perfect
I shouldn't have mystified you shouldn't have mystified he shouldn't have mystified we shouldn't have mystified you shouldn't have mystified they shouldn't have mystified	I shouldn't have been mystifying you shouldn't have been mystifying he shouldn't have been mystifying we shouldn't have been mystifying you shouldn't have been mystifying they shouldn't have been mystifying

Interrogative form

Simple form	V-ing form
should I mystify? should you mystify? should he mystify? should we mystify? should you mystify? should they mystify?	should I be mystifying? should you be mystifying? should he be mystifying? should we be mystifying? should you be mystifying? should they be mystifying?
Perfect	V-ing perfect
should I have mystified? should you have mystified? should he have mystified? should we have mystified? should you have mystified? should they have mystified?	should I have been mystifying? should you have been mystifying? should he have been mystifying? should we have been mystifying? should you have been mystifying? should they have been mystifying?

Interro-negative form

Simple form	V-ing form
shouldn't I mystify? shouldn't you mystify? shouldn't he mystify? shouldn't we mystify? shouldn't you mystify? shouldn't they mystify?	shouldn't I be mystifying? shouldn't you be mystifying? shouldn't he be mystifying? shouldn't we be mystifying? shouldn't you be mystifying? shouldn't they be mystifying?
Perfect	V-ing perfect
shouldn't I have mystified? shouldn't you have mystified? shouldn't he have mystified? shouldn't we have mystified? shouldn't you have mystified? shouldn't they have mystified?	shouldn't I have been mystifying? shouldn't you have been mystifying? shouldn't he have been mystifying? shouldn't we have been mystifying? shouldn't you have been mystifying? shouldn't they have been mystifying?