English verb conjugation
SHOULD CATCH

Irregular verb: catch - caught - caught

Affirmation

Simple form	V-ing form
I'd catch you'd catch he'd catch we'd catch you'd catch they'd catch	I'd be catching you'd be catching he'd be catching we'd be catching you'd be catching they'd be catching
Perfect	V-ing perfect
I should've caught you should've caught he should've caught we should've caught you should've caught they should've caught	I should've been catching you should've been catching he should've been catching we should've been catching you should've been catching they should've been catching

Negation

Simple form	V-ing form
I shouldn't catch you shouldn't catch he shouldn't catch we shouldn't catch you shouldn't catch they shouldn't catch	I shouldn't be catching you shouldn't be catching he shouldn't be catching we shouldn't be catching you shouldn't be catching they shouldn't be catching
Perfect	V-ing perfect
I shouldn't have caught you shouldn't have caught he shouldn't have caught we shouldn't have caught you shouldn't have caught they shouldn't have caught	I shouldn't have been catching you shouldn't have been catching he shouldn't have been catching we shouldn't have been catching you shouldn't have been catching they shouldn't have been catching

Interrogative form

Simple form	V-ing form
should I catch? should you catch? should he catch? should we catch? should you catch? should they catch?	should I be catching? should you be catching? should he be catching? should we be catching? should you be catching? should they be catching?
Perfect	V-ing perfect
should I have caught? should you have caught? should he have caught? should we have caught? should you have caught? should they have caught?	should I have been catching? should you have been catching? should he have been catching? should we have been catching? should you have been catching? should they have been catching?

Interro-negative form

Simple form	V-ing form
shouldn't I catch? shouldn't you catch? shouldn't he catch? shouldn't we catch? shouldn't you catch? shouldn't they catch?	shouldn't I be catching? shouldn't you be catching? shouldn't he be catching? shouldn't we be catching? shouldn't you be catching? shouldn't they be catching?
Perfect	V-ing perfect
shouldn't I have caught? shouldn't you have caught? shouldn't he have caught? shouldn't we have caught? shouldn't you have caught? shouldn't they have caught?	shouldn't I have been catching? shouldn't you have been catching? shouldn't he have been catching? shouldn't we have been catching? shouldn't you have been catching? shouldn't they have been catching?