I'd be birdying you'd be birdying he'd be birdying we'd be birdying you'd be birdying they'd be birdying
Perfect
I should've birdied you should've birdied he 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 he 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 he 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 he 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 he 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 he 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 he birdie? should we birdie? should you birdie? should they birdie?
V-ing form
should I be birdying? should you be birdying? should he be birdying? should we be birdying? should you be birdying? should they be birdying?
Perfect
should I have birdied? should you have birdied? should he 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 he 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 he 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 he 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 he 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 he have been birdying? shouldn't we have been birdying? shouldn't you have been birdying? shouldn't they have been birdying?