English verb conjugation
SHOULD CASTLE

Regular verb: castle - castled - castled

Affirmation

Simple form	V-ing form
I'd castle you'd castle he'd castle we'd castle you'd castle they'd castle	I'd be castling you'd be castling he'd be castling we'd be castling you'd be castling they'd be castling
Perfect	V-ing perfect
I should've castled you should've castled he should've castled we should've castled you should've castled they should've castled	I should've been castling you should've been castling he should've been castling we should've been castling you should've been castling they should've been castling

Negation

Simple form	V-ing form
I shouldn't castle you shouldn't castle he shouldn't castle we shouldn't castle you shouldn't castle they shouldn't castle	I shouldn't be castling you shouldn't be castling he shouldn't be castling we shouldn't be castling you shouldn't be castling they shouldn't be castling
Perfect	V-ing perfect
I shouldn't have castled you shouldn't have castled he shouldn't have castled we shouldn't have castled you shouldn't have castled they shouldn't have castled	I shouldn't have been castling you shouldn't have been castling he shouldn't have been castling we shouldn't have been castling you shouldn't have been castling they shouldn't have been castling

Interrogative form

Simple form	V-ing form
should I castle? should you castle? should he castle? should we castle? should you castle? should they castle?	should I be castling? should you be castling? should he be castling? should we be castling? should you be castling? should they be castling?
Perfect	V-ing perfect
should I have castled? should you have castled? should he have castled? should we have castled? should you have castled? should they have castled?	should I have been castling? should you have been castling? should he have been castling? should we have been castling? should you have been castling? should they have been castling?

Interro-negative form

Simple form	V-ing form
shouldn't I castle? shouldn't you castle? shouldn't he castle? shouldn't we castle? shouldn't you castle? shouldn't they castle?	shouldn't I be castling? shouldn't you be castling? shouldn't he be castling? shouldn't we be castling? shouldn't you be castling? shouldn't they be castling?
Perfect	V-ing perfect
shouldn't I have castled? shouldn't you have castled? shouldn't he have castled? shouldn't we have castled? shouldn't you have castled? shouldn't they have castled?	shouldn't I have been castling? shouldn't you have been castling? shouldn't he have been castling? shouldn't we have been castling? shouldn't you have been castling? shouldn't they have been castling?