English verb conjugation
SHOULD CROOK

Regular verb: crook - crooked - crooked

Affirmation

Simple form	V-ing form
I'd crook you'd crook he'd crook we'd crook you'd crook they'd crook	I'd be crooking you'd be crooking he'd be crooking we'd be crooking you'd be crooking they'd be crooking
Perfect	V-ing perfect
I should've crooked you should've crooked he should've crooked we should've crooked you should've crooked they should've crooked	I should've been crooking you should've been crooking he should've been crooking we should've been crooking you should've been crooking they should've been crooking

Negation

Simple form	V-ing form
I shouldn't crook you shouldn't crook he shouldn't crook we shouldn't crook you shouldn't crook they shouldn't crook	I shouldn't be crooking you shouldn't be crooking he shouldn't be crooking we shouldn't be crooking you shouldn't be crooking they shouldn't be crooking
Perfect	V-ing perfect
I shouldn't have crooked you shouldn't have crooked he shouldn't have crooked we shouldn't have crooked you shouldn't have crooked they shouldn't have crooked	I shouldn't have been crooking you shouldn't have been crooking he shouldn't have been crooking we shouldn't have been crooking you shouldn't have been crooking they shouldn't have been crooking

Interrogative form

Simple form	V-ing form
should I crook? should you crook? should he crook? should we crook? should you crook? should they crook?	should I be crooking? should you be crooking? should he be crooking? should we be crooking? should you be crooking? should they be crooking?
Perfect	V-ing perfect
should I have crooked? should you have crooked? should he have crooked? should we have crooked? should you have crooked? should they have crooked?	should I have been crooking? should you have been crooking? should he have been crooking? should we have been crooking? should you have been crooking? should they have been crooking?

Interro-negative form

Simple form	V-ing form
shouldn't I crook? shouldn't you crook? shouldn't he crook? shouldn't we crook? shouldn't you crook? shouldn't they crook?	shouldn't I be crooking? shouldn't you be crooking? shouldn't he be crooking? shouldn't we be crooking? shouldn't you be crooking? shouldn't they be crooking?
Perfect	V-ing perfect
shouldn't I have crooked? shouldn't you have crooked? shouldn't he have crooked? shouldn't we have crooked? shouldn't you have crooked? shouldn't they have crooked?	shouldn't I have been crooking? shouldn't you have been crooking? shouldn't he have been crooking? shouldn't we have been crooking? shouldn't you have been crooking? shouldn't they have been crooking?