I should spot you should spot he should spot we should spot you should spot they should spot
V-ing form
I should be spotting you should be spotting he should be spotting we should be spotting you should be spotting they should be spotting
Perfect
I should have spotted you should have spotted he should have spotted we should have spotted you should have spotted they should have spotted
V-ing perfect
I should have been spotting you should have been spotting he should have been spotting we should have been spotting you should have been spotting they should have been spotting
Negation
Simple form
I should not spot you should not spot he should not spot we should not spot you should not spot they should not spot
V-ing form
I should not be spotting you should not be spotting he should not be spotting we should not be spotting you should not be spotting they should not be spotting
Perfect
I should not have spotted you should not have spotted he should not have spotted we should not have spotted you should not have spotted they should not have spotted
V-ing perfect
I should not have been spotting you should not have been spotting he should not have been spotting we should not have been spotting you should not have been spotting they should not have been spotting
Interrogative form
Simple form
should I spot? should you spot? should he spot? should we spot? should you spot? should they spot?
V-ing form
should I be spotting? should you be spotting? should he be spotting? should we be spotting? should you be spotting? should they be spotting?
Perfect
should I have spotted? should you have spotted? should he have spotted? should we have spotted? should you have spotted? should they have spotted?
V-ing perfect
should I have been spotting? should you have been spotting? should he have been spotting? should we have been spotting? should you have been spotting? should they have been spotting?
Interro-negative form
Simple form
should I not spot? should you not spot? should he not spot? should we not spot? should you not spot? should they not spot?
V-ing form
should I not be spotting? should you not be spotting? should he not be spotting? should we not be spotting? should you not be spotting? should they not be spotting?
Perfect
should I not have spotted? should you not have spotted? should he not have spotted? should we not have spotted? should you not have spotted? should they not have spotted?
V-ing perfect
should I not have been spotting? should you not have been spotting? should he not have been spotting? should we not have been spotting? should you not have been spotting? should they not have been spotting?