I'd be chirping you'd be chirping he'd be chirping we'd be chirping you'd be chirping they'd be chirping
Perfect
I should've chirped you should've chirped he should've chirped we should've chirped you should've chirped they should've chirped
V-ing perfect
I should've been chirping you should've been chirping he should've been chirping we should've been chirping you should've been chirping they should've been chirping
Negation
Simple form
I shouldn't chirp you shouldn't chirp he shouldn't chirp we shouldn't chirp you shouldn't chirp they shouldn't chirp
V-ing form
I shouldn't be chirping you shouldn't be chirping he shouldn't be chirping we shouldn't be chirping you shouldn't be chirping they shouldn't be chirping
Perfect
I shouldn't have chirped you shouldn't have chirped he shouldn't have chirped we shouldn't have chirped you shouldn't have chirped they shouldn't have chirped
V-ing perfect
I shouldn't have been chirping you shouldn't have been chirping he shouldn't have been chirping we shouldn't have been chirping you shouldn't have been chirping they shouldn't have been chirping
Interrogative form
Simple form
should I chirp? should you chirp? should he chirp? should we chirp? should you chirp? should they chirp?
V-ing form
should I be chirping? should you be chirping? should he be chirping? should we be chirping? should you be chirping? should they be chirping?
Perfect
should I have chirped? should you have chirped? should he have chirped? should we have chirped? should you have chirped? should they have chirped?
V-ing perfect
should I have been chirping? should you have been chirping? should he have been chirping? should we have been chirping? should you have been chirping? should they have been chirping?
Interro-negative form
Simple form
shouldn't I chirp? shouldn't you chirp? shouldn't he chirp? shouldn't we chirp? shouldn't you chirp? shouldn't they chirp?
V-ing form
shouldn't I be chirping? shouldn't you be chirping? shouldn't he be chirping? shouldn't we be chirping? shouldn't you be chirping? shouldn't they be chirping?
Perfect
shouldn't I have chirped? shouldn't you have chirped? shouldn't he have chirped? shouldn't we have chirped? shouldn't you have chirped? shouldn't they have chirped?
V-ing perfect
shouldn't I have been chirping? shouldn't you have been chirping? shouldn't he have been chirping? shouldn't we have been chirping? shouldn't you have been chirping? shouldn't they have been chirping?