I'd be chirping you'd be chirping she'd be chirping we'd be chirping you'd be chirping they'd be chirping
Perfect
I should've chirped you should've chirped she 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 she 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 she 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 she 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 she 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 she 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 she chirp? should we chirp? should you chirp? should they chirp?
V-ing form
should I be chirping? should you be chirping? should she be chirping? should we be chirping? should you be chirping? should they be chirping?
Perfect
should I have chirped? should you have chirped? should she 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 she 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 she 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 she 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 she 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 she have been chirping? shouldn't we have been chirping? shouldn't you have been chirping? shouldn't they have been chirping?