I should soften you should soften he should soften we should soften you should soften they should soften
V-ing form
I should be softening you should be softening he should be softening we should be softening you should be softening they should be softening
Perfect
I should have softened you should have softened he should have softened we should have softened you should have softened they should have softened
V-ing perfect
I should have been softening you should have been softening he should have been softening we should have been softening you should have been softening they should have been softening
Negation
Simple form
I should not soften you should not soften he should not soften we should not soften you should not soften they should not soften
V-ing form
I should not be softening you should not be softening he should not be softening we should not be softening you should not be softening they should not be softening
Perfect
I should not have softened you should not have softened he should not have softened we should not have softened you should not have softened they should not have softened
V-ing perfect
I should not have been softening you should not have been softening he should not have been softening we should not have been softening you should not have been softening they should not have been softening
Interrogative form
Simple form
should I soften? should you soften? should he soften? should we soften? should you soften? should they soften?
V-ing form
should I be softening? should you be softening? should he be softening? should we be softening? should you be softening? should they be softening?
Perfect
should I have softened? should you have softened? should he have softened? should we have softened? should you have softened? should they have softened?
V-ing perfect
should I have been softening? should you have been softening? should he have been softening? should we have been softening? should you have been softening? should they have been softening?
Interro-negative form
Simple form
should I not soften? should you not soften? should he not soften? should we not soften? should you not soften? should they not soften?
V-ing form
should I not be softening? should you not be softening? should he not be softening? should we not be softening? should you not be softening? should they not be softening?
Perfect
should I not have softened? should you not have softened? should he not have softened? should we not have softened? should you not have softened? should they not have softened?
V-ing perfect
should I not have been softening? should you not have been softening? should he not have been softening? should we not have been softening? should you not have been softening? should they not have been softening?