I should widen you should widen he should widen we should widen you should widen they should widen
V-ing form
I should be widening you should be widening he should be widening we should be widening you should be widening they should be widening
Perfect
I should have widened you should have widened he should have widened we should have widened you should have widened they should have widened
V-ing perfect
I should have been widening you should have been widening he should have been widening we should have been widening you should have been widening they should have been widening
Negation
Simple form
I should not widen you should not widen he should not widen we should not widen you should not widen they should not widen
V-ing form
I should not be widening you should not be widening he should not be widening we should not be widening you should not be widening they should not be widening
Perfect
I should not have widened you should not have widened he should not have widened we should not have widened you should not have widened they should not have widened
V-ing perfect
I should not have been widening you should not have been widening he should not have been widening we should not have been widening you should not have been widening they should not have been widening
Interrogative form
Simple form
should I widen? should you widen? should he widen? should we widen? should you widen? should they widen?
V-ing form
should I be widening? should you be widening? should he be widening? should we be widening? should you be widening? should they be widening?
Perfect
should I have widened? should you have widened? should he have widened? should we have widened? should you have widened? should they have widened?
V-ing perfect
should I have been widening? should you have been widening? should he have been widening? should we have been widening? should you have been widening? should they have been widening?
Interro-negative form
Simple form
should I not widen? should you not widen? should he not widen? should we not widen? should you not widen? should they not widen?
V-ing form
should I not be widening? should you not be widening? should he not be widening? should we not be widening? should you not be widening? should they not be widening?
Perfect
should I not have widened? should you not have widened? should he not have widened? should we not have widened? should you not have widened? should they not have widened?
V-ing perfect
should I not have been widening? should you not have been widening? should he not have been widening? should we not have been widening? should you not have been widening? should they not have been widening?