I should obstruct you should obstruct he should obstruct we should obstruct you should obstruct they should obstruct
V-ing form
I should be obstructing you should be obstructing he should be obstructing we should be obstructing you should be obstructing they should be obstructing
Perfect
I should have obstructed you should have obstructed he should have obstructed we should have obstructed you should have obstructed they should have obstructed
V-ing perfect
I should have been obstructing you should have been obstructing he should have been obstructing we should have been obstructing you should have been obstructing they should have been obstructing
Negation
Simple form
I should not obstruct you should not obstruct he should not obstruct we should not obstruct you should not obstruct they should not obstruct
V-ing form
I should not be obstructing you should not be obstructing he should not be obstructing we should not be obstructing you should not be obstructing they should not be obstructing
Perfect
I should not have obstructed you should not have obstructed he should not have obstructed we should not have obstructed you should not have obstructed they should not have obstructed
V-ing perfect
I should not have been obstructing you should not have been obstructing he should not have been obstructing we should not have been obstructing you should not have been obstructing they should not have been obstructing
Interrogative form
Simple form
should I obstruct? should you obstruct? should he obstruct? should we obstruct? should you obstruct? should they obstruct?
V-ing form
should I be obstructing? should you be obstructing? should he be obstructing? should we be obstructing? should you be obstructing? should they be obstructing?
Perfect
should I have obstructed? should you have obstructed? should he have obstructed? should we have obstructed? should you have obstructed? should they have obstructed?
V-ing perfect
should I have been obstructing? should you have been obstructing? should he have been obstructing? should we have been obstructing? should you have been obstructing? should they have been obstructing?
Interro-negative form
Simple form
should I not obstruct? should you not obstruct? should he not obstruct? should we not obstruct? should you not obstruct? should they not obstruct?
V-ing form
should I not be obstructing? should you not be obstructing? should he not be obstructing? should we not be obstructing? should you not be obstructing? should they not be obstructing?
Perfect
should I not have obstructed? should you not have obstructed? should he not have obstructed? should we not have obstructed? should you not have obstructed? should they not have obstructed?
V-ing perfect
should I not have been obstructing? should you not have been obstructing? should he not have been obstructing? should we not have been obstructing? should you not have been obstructing? should they not have been obstructing?