I should freshen you should freshen he should freshen we should freshen you should freshen they should freshen
V-ing form
I should be freshening you should be freshening he should be freshening we should be freshening you should be freshening they should be freshening
Perfect
I should have freshened you should have freshened he should have freshened we should have freshened you should have freshened they should have freshened
V-ing perfect
I should have been freshening you should have been freshening he should have been freshening we should have been freshening you should have been freshening they should have been freshening
Negation
Simple form
I should not freshen you should not freshen he should not freshen we should not freshen you should not freshen they should not freshen
V-ing form
I should not be freshening you should not be freshening he should not be freshening we should not be freshening you should not be freshening they should not be freshening
Perfect
I should not have freshened you should not have freshened he should not have freshened we should not have freshened you should not have freshened they should not have freshened
V-ing perfect
I should not have been freshening you should not have been freshening he should not have been freshening we should not have been freshening you should not have been freshening they should not have been freshening
Interrogative form
Simple form
should I freshen? should you freshen? should he freshen? should we freshen? should you freshen? should they freshen?
V-ing form
should I be freshening? should you be freshening? should he be freshening? should we be freshening? should you be freshening? should they be freshening?
Perfect
should I have freshened? should you have freshened? should he have freshened? should we have freshened? should you have freshened? should they have freshened?
V-ing perfect
should I have been freshening? should you have been freshening? should he have been freshening? should we have been freshening? should you have been freshening? should they have been freshening?
Interro-negative form
Simple form
should I not freshen? should you not freshen? should he not freshen? should we not freshen? should you not freshen? should they not freshen?
V-ing form
should I not be freshening? should you not be freshening? should he not be freshening? should we not be freshening? should you not be freshening? should they not be freshening?
Perfect
should I not have freshened? should you not have freshened? should he not have freshened? should we not have freshened? should you not have freshened? should they not have freshened?
V-ing perfect
should I not have been freshening? should you not have been freshening? should he not have been freshening? should we not have been freshening? should you not have been freshening? should they not have been freshening?