English verb conjugation
SHOULD BULL

Regular verb: bull - bulled - bulled

Affirmation

Simple form	V-ing form
I'd bull you'd bull he'd bull we'd bull you'd bull they'd bull	I'd be bulling you'd be bulling he'd be bulling we'd be bulling you'd be bulling they'd be bulling
Perfect	V-ing perfect
I should've bulled you should've bulled he should've bulled we should've bulled you should've bulled they should've bulled	I should've been bulling you should've been bulling he should've been bulling we should've been bulling you should've been bulling they should've been bulling

Negation

Simple form	V-ing form
I shouldn't bull you shouldn't bull he shouldn't bull we shouldn't bull you shouldn't bull they shouldn't bull	I shouldn't be bulling you shouldn't be bulling he shouldn't be bulling we shouldn't be bulling you shouldn't be bulling they shouldn't be bulling
Perfect	V-ing perfect
I shouldn't have bulled you shouldn't have bulled he shouldn't have bulled we shouldn't have bulled you shouldn't have bulled they shouldn't have bulled	I shouldn't have been bulling you shouldn't have been bulling he shouldn't have been bulling we shouldn't have been bulling you shouldn't have been bulling they shouldn't have been bulling

Interrogative form

Simple form	V-ing form
should I bull? should you bull? should he bull? should we bull? should you bull? should they bull?	should I be bulling? should you be bulling? should he be bulling? should we be bulling? should you be bulling? should they be bulling?
Perfect	V-ing perfect
should I have bulled? should you have bulled? should he have bulled? should we have bulled? should you have bulled? should they have bulled?	should I have been bulling? should you have been bulling? should he have been bulling? should we have been bulling? should you have been bulling? should they have been bulling?

Interro-negative form

Simple form	V-ing form
shouldn't I bull? shouldn't you bull? shouldn't he bull? shouldn't we bull? shouldn't you bull? shouldn't they bull?	shouldn't I be bulling? shouldn't you be bulling? shouldn't he be bulling? shouldn't we be bulling? shouldn't you be bulling? shouldn't they be bulling?
Perfect	V-ing perfect
shouldn't I have bulled? shouldn't you have bulled? shouldn't he have bulled? shouldn't we have bulled? shouldn't you have bulled? shouldn't they have bulled?	shouldn't I have been bulling? shouldn't you have been bulling? shouldn't he have been bulling? shouldn't we have been bulling? shouldn't you have been bulling? shouldn't they have been bulling?