English verb conjugation
SHOULD BID

Irregular verb: bid - bid, bade - bid, bidden

Affirmation

Simple form	V-ing form
I'd bid you'd bid he'd bid we'd bid you'd bid they'd bid	I'd be bidding you'd be bidding he'd be bidding we'd be bidding you'd be bidding they'd be bidding
Perfect	V-ing perfect
I should've bid, bidden you should've bid, bidden he should've bid, bidden we should've bid, bidden you should've bid, bidden they should've bid, bidden	I should've been bidding you should've been bidding he should've been bidding we should've been bidding you should've been bidding they should've been bidding

Negation

Simple form	V-ing form
I shouldn't bid you shouldn't bid he shouldn't bid we shouldn't bid you shouldn't bid they shouldn't bid	I shouldn't be bidding you shouldn't be bidding he shouldn't be bidding we shouldn't be bidding you shouldn't be bidding they shouldn't be bidding
Perfect	V-ing perfect
I shouldn't have bid, bidden you shouldn't have bid, bidden he shouldn't have bid, bidden we shouldn't have bid, bidden you shouldn't have bid, bidden they shouldn't have bid, bidden	I shouldn't have been bidding you shouldn't have been bidding he shouldn't have been bidding we shouldn't have been bidding you shouldn't have been bidding they shouldn't have been bidding

Interrogative form

Simple form	V-ing form
should I bid? should you bid? should he bid? should we bid? should you bid? should they bid?	should I be bidding? should you be bidding? should he be bidding? should we be bidding? should you be bidding? should they be bidding?
Perfect	V-ing perfect
should I have bid, bidden? should you have bid, bidden? should he have bid, bidden? should we have bid, bidden? should you have bid, bidden? should they have bid, bidden?	should I have been bidding? should you have been bidding? should he have been bidding? should we have been bidding? should you have been bidding? should they have been bidding?

Interro-negative form

Simple form	V-ing form
shouldn't I bid? shouldn't you bid? shouldn't he bid? shouldn't we bid? shouldn't you bid? shouldn't they bid?	shouldn't I be bidding? shouldn't you be bidding? shouldn't he be bidding? shouldn't we be bidding? shouldn't you be bidding? shouldn't they be bidding?
Perfect	V-ing perfect
shouldn't I have bid, bidden? shouldn't you have bid, bidden? shouldn't he have bid, bidden? shouldn't we have bid, bidden? shouldn't you have bid, bidden? shouldn't they have bid, bidden?	shouldn't I have been bidding? shouldn't you have been bidding? shouldn't he have been bidding? shouldn't we have been bidding? shouldn't you have been bidding? shouldn't they have been bidding?