I should chirp you should chirp he should chirp we should chirp you should chirp they should chirp
V-ing form
I should be chirping you should be chirping he should be chirping we should be chirping you should be chirping they should be chirping
Perfect
I should have chirped you should have chirped he should have chirped we should have chirped you should have chirped they should have chirped
V-ing perfect
I should have been chirping you should have been chirping he should have been chirping we should have been chirping you should have been chirping they should have been chirping
Negation
Simple form
I should not chirp you should not chirp he should not chirp we should not chirp you should not chirp they should not chirp
V-ing form
I should not be chirping you should not be chirping he should not be chirping we should not be chirping you should not be chirping they should not be chirping
Perfect
I should not have chirped you should not have chirped he should not have chirped we should not have chirped you should not have chirped they should not have chirped
V-ing perfect
I should not have been chirping you should not have been chirping he should not have been chirping we should not have been chirping you should not have been chirping they should not 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
should I not chirp? should you not chirp? should he not chirp? should we not chirp? should you not chirp? should they not chirp?
V-ing form
should I not be chirping? should you not be chirping? should he not be chirping? should we not be chirping? should you not be chirping? should they not be chirping?
Perfect
should I not have chirped? should you not have chirped? should he not have chirped? should we not have chirped? should you not have chirped? should they not have chirped?
V-ing perfect
should I not have been chirping? should you not have been chirping? should he not have been chirping? should we not have been chirping? should you not have been chirping? should they not have been chirping?