I'd be birdying you'd be birdying she'd be birdying we'd be birdying you'd be birdying they'd be birdying
Perfect
I should've birdied you should've birdied she should've birdied we should've birdied you should've birdied they should've birdied
V-ing perfect
I should've been birdying you should've been birdying she should've been birdying we should've been birdying you should've been birdying they should've been birdying
Negation
Simple form
I shouldn't birdie you shouldn't birdie she shouldn't birdie we shouldn't birdie you shouldn't birdie they shouldn't birdie
V-ing form
I shouldn't be birdying you shouldn't be birdying she shouldn't be birdying we shouldn't be birdying you shouldn't be birdying they shouldn't be birdying
Perfect
I shouldn't have birdied you shouldn't have birdied she shouldn't have birdied we shouldn't have birdied you shouldn't have birdied they shouldn't have birdied
V-ing perfect
I shouldn't have been birdying you shouldn't have been birdying she shouldn't have been birdying we shouldn't have been birdying you shouldn't have been birdying they shouldn't have been birdying
Interrogative form
Simple form
should I birdie? should you birdie? should she birdie? should we birdie? should you birdie? should they birdie?
V-ing form
should I be birdying? should you be birdying? should she be birdying? should we be birdying? should you be birdying? should they be birdying?
Perfect
should I have birdied? should you have birdied? should she have birdied? should we have birdied? should you have birdied? should they have birdied?
V-ing perfect
should I have been birdying? should you have been birdying? should she have been birdying? should we have been birdying? should you have been birdying? should they have been birdying?
Interro-negative form
Simple form
shouldn't I birdie? shouldn't you birdie? shouldn't she birdie? shouldn't we birdie? shouldn't you birdie? shouldn't they birdie?
V-ing form
shouldn't I be birdying? shouldn't you be birdying? shouldn't she be birdying? shouldn't we be birdying? shouldn't you be birdying? shouldn't they be birdying?
Perfect
shouldn't I have birdied? shouldn't you have birdied? shouldn't she have birdied? shouldn't we have birdied? shouldn't you have birdied? shouldn't they have birdied?
V-ing perfect
shouldn't I have been birdying? shouldn't you have been birdying? shouldn't she have been birdying? shouldn't we have been birdying? shouldn't you have been birdying? shouldn't they have been birdying?