I should narrow you should narrow he should narrow we should narrow you should narrow they should narrow
V-ing form
I should be narrowing you should be narrowing he should be narrowing we should be narrowing you should be narrowing they should be narrowing
Perfect
I should have narrowed you should have narrowed he should have narrowed we should have narrowed you should have narrowed they should have narrowed
V-ing perfect
I should have been narrowing you should have been narrowing he should have been narrowing we should have been narrowing you should have been narrowing they should have been narrowing
Negation
Simple form
I should not narrow you should not narrow he should not narrow we should not narrow you should not narrow they should not narrow
V-ing form
I should not be narrowing you should not be narrowing he should not be narrowing we should not be narrowing you should not be narrowing they should not be narrowing
Perfect
I should not have narrowed you should not have narrowed he should not have narrowed we should not have narrowed you should not have narrowed they should not have narrowed
V-ing perfect
I should not have been narrowing you should not have been narrowing he should not have been narrowing we should not have been narrowing you should not have been narrowing they should not have been narrowing
Interrogative form
Simple form
should I narrow? should you narrow? should he narrow? should we narrow? should you narrow? should they narrow?
V-ing form
should I be narrowing? should you be narrowing? should he be narrowing? should we be narrowing? should you be narrowing? should they be narrowing?
Perfect
should I have narrowed? should you have narrowed? should he have narrowed? should we have narrowed? should you have narrowed? should they have narrowed?
V-ing perfect
should I have been narrowing? should you have been narrowing? should he have been narrowing? should we have been narrowing? should you have been narrowing? should they have been narrowing?
Interro-negative form
Simple form
should I not narrow? should you not narrow? should he not narrow? should we not narrow? should you not narrow? should they not narrow?
V-ing form
should I not be narrowing? should you not be narrowing? should he not be narrowing? should we not be narrowing? should you not be narrowing? should they not be narrowing?
Perfect
should I not have narrowed? should you not have narrowed? should he not have narrowed? should we not have narrowed? should you not have narrowed? should they not have narrowed?
V-ing perfect
should I not have been narrowing? should you not have been narrowing? should he not have been narrowing? should we not have been narrowing? should you not have been narrowing? should they not have been narrowing?