English verb conjugation
SHOULD THORN

Regular verb: thorn - thorned - thorned

Affirmation

Simple form	V-ing form
I'd thorn you'd thorn he'd thorn we'd thorn you'd thorn they'd thorn	I'd be thorning you'd be thorning he'd be thorning we'd be thorning you'd be thorning they'd be thorning
Perfect	V-ing perfect
I should've thorned you should've thorned he should've thorned we should've thorned you should've thorned they should've thorned	I should've been thorning you should've been thorning he should've been thorning we should've been thorning you should've been thorning they should've been thorning

Negation

Simple form	V-ing form
I shouldn't thorn you shouldn't thorn he shouldn't thorn we shouldn't thorn you shouldn't thorn they shouldn't thorn	I shouldn't be thorning you shouldn't be thorning he shouldn't be thorning we shouldn't be thorning you shouldn't be thorning they shouldn't be thorning
Perfect	V-ing perfect
I shouldn't have thorned you shouldn't have thorned he shouldn't have thorned we shouldn't have thorned you shouldn't have thorned they shouldn't have thorned	I shouldn't have been thorning you shouldn't have been thorning he shouldn't have been thorning we shouldn't have been thorning you shouldn't have been thorning they shouldn't have been thorning

Interrogative form

Simple form	V-ing form
should I thorn? should you thorn? should he thorn? should we thorn? should you thorn? should they thorn?	should I be thorning? should you be thorning? should he be thorning? should we be thorning? should you be thorning? should they be thorning?
Perfect	V-ing perfect
should I have thorned? should you have thorned? should he have thorned? should we have thorned? should you have thorned? should they have thorned?	should I have been thorning? should you have been thorning? should he have been thorning? should we have been thorning? should you have been thorning? should they have been thorning?

Interro-negative form

Simple form	V-ing form
shouldn't I thorn? shouldn't you thorn? shouldn't he thorn? shouldn't we thorn? shouldn't you thorn? shouldn't they thorn?	shouldn't I be thorning? shouldn't you be thorning? shouldn't he be thorning? shouldn't we be thorning? shouldn't you be thorning? shouldn't they be thorning?
Perfect	V-ing perfect
shouldn't I have thorned? shouldn't you have thorned? shouldn't he have thorned? shouldn't we have thorned? shouldn't you have thorned? shouldn't they have thorned?	shouldn't I have been thorning? shouldn't you have been thorning? shouldn't he have been thorning? shouldn't we have been thorning? shouldn't you have been thorning? shouldn't they have been thorning?