I should block you should block he should block we should block you should block they should block
V-ing form
I should be blocking you should be blocking he should be blocking we should be blocking you should be blocking they should be blocking
Perfect
I should have blocked you should have blocked he should have blocked we should have blocked you should have blocked they should have blocked
V-ing perfect
I should have been blocking you should have been blocking he should have been blocking we should have been blocking you should have been blocking they should have been blocking
Negation
Simple form
I should not block you should not block he should not block we should not block you should not block they should not block
V-ing form
I should not be blocking you should not be blocking he should not be blocking we should not be blocking you should not be blocking they should not be blocking
Perfect
I should not have blocked you should not have blocked he should not have blocked we should not have blocked you should not have blocked they should not have blocked
V-ing perfect
I should not have been blocking you should not have been blocking he should not have been blocking we should not have been blocking you should not have been blocking they should not have been blocking
Interrogative form
Simple form
should I block? should you block? should he block? should we block? should you block? should they block?
V-ing form
should I be blocking? should you be blocking? should he be blocking? should we be blocking? should you be blocking? should they be blocking?
Perfect
should I have blocked? should you have blocked? should he have blocked? should we have blocked? should you have blocked? should they have blocked?
V-ing perfect
should I have been blocking? should you have been blocking? should he have been blocking? should we have been blocking? should you have been blocking? should they have been blocking?
Interro-negative form
Simple form
should I not block? should you not block? should he not block? should we not block? should you not block? should they not block?
V-ing form
should I not be blocking? should you not be blocking? should he not be blocking? should we not be blocking? should you not be blocking? should they not be blocking?
Perfect
should I not have blocked? should you not have blocked? should he not have blocked? should we not have blocked? should you not have blocked? should they not have blocked?
V-ing perfect
should I not have been blocking? should you not have been blocking? should he not have been blocking? should we not have been blocking? should you not have been blocking? should they not have been blocking?