I should scare you should scare he should scare we should scare you should scare they should scare
V-ing form
I should be scaring you should be scaring he should be scaring we should be scaring you should be scaring they should be scaring
Perfect
I should have scared you should have scared he should have scared we should have scared you should have scared they should have scared
V-ing perfect
I should have been scaring you should have been scaring he should have been scaring we should have been scaring you should have been scaring they should have been scaring
Negation
Simple form
I should not scare you should not scare he should not scare we should not scare you should not scare they should not scare
V-ing form
I should not be scaring you should not be scaring he should not be scaring we should not be scaring you should not be scaring they should not be scaring
Perfect
I should not have scared you should not have scared he should not have scared we should not have scared you should not have scared they should not have scared
V-ing perfect
I should not have been scaring you should not have been scaring he should not have been scaring we should not have been scaring you should not have been scaring they should not have been scaring
Interrogative form
Simple form
should I scare? should you scare? should he scare? should we scare? should you scare? should they scare?
V-ing form
should I be scaring? should you be scaring? should he be scaring? should we be scaring? should you be scaring? should they be scaring?
Perfect
should I have scared? should you have scared? should he have scared? should we have scared? should you have scared? should they have scared?
V-ing perfect
should I have been scaring? should you have been scaring? should he have been scaring? should we have been scaring? should you have been scaring? should they have been scaring?
Interro-negative form
Simple form
should I not scare? should you not scare? should he not scare? should we not scare? should you not scare? should they not scare?
V-ing form
should I not be scaring? should you not be scaring? should he not be scaring? should we not be scaring? should you not be scaring? should they not be scaring?
Perfect
should I not have scared? should you not have scared? should he not have scared? should we not have scared? should you not have scared? should they not have scared?
V-ing perfect
should I not have been scaring? should you not have been scaring? should he not have been scaring? should we not have been scaring? should you not have been scaring? should they not have been scaring?