I should shorten you should shorten he should shorten we should shorten you should shorten they should shorten
V-ing form
I should be shortening you should be shortening he should be shortening we should be shortening you should be shortening they should be shortening
Perfect
I should have shortened you should have shortened he should have shortened we should have shortened you should have shortened they should have shortened
V-ing perfect
I should have been shortening you should have been shortening he should have been shortening we should have been shortening you should have been shortening they should have been shortening
Negation
Simple form
I should not shorten you should not shorten he should not shorten we should not shorten you should not shorten they should not shorten
V-ing form
I should not be shortening you should not be shortening he should not be shortening we should not be shortening you should not be shortening they should not be shortening
Perfect
I should not have shortened you should not have shortened he should not have shortened we should not have shortened you should not have shortened they should not have shortened
V-ing perfect
I should not have been shortening you should not have been shortening he should not have been shortening we should not have been shortening you should not have been shortening they should not have been shortening
Interrogative form
Simple form
should I shorten? should you shorten? should he shorten? should we shorten? should you shorten? should they shorten?
V-ing form
should I be shortening? should you be shortening? should he be shortening? should we be shortening? should you be shortening? should they be shortening?
Perfect
should I have shortened? should you have shortened? should he have shortened? should we have shortened? should you have shortened? should they have shortened?
V-ing perfect
should I have been shortening? should you have been shortening? should he have been shortening? should we have been shortening? should you have been shortening? should they have been shortening?
Interro-negative form
Simple form
should I not shorten? should you not shorten? should he not shorten? should we not shorten? should you not shorten? should they not shorten?
V-ing form
should I not be shortening? should you not be shortening? should he not be shortening? should we not be shortening? should you not be shortening? should they not be shortening?
Perfect
should I not have shortened? should you not have shortened? should he not have shortened? should we not have shortened? should you not have shortened? should they not have shortened?
V-ing perfect
should I not have been shortening? should you not have been shortening? should he not have been shortening? should we not have been shortening? should you not have been shortening? should they not have been shortening?