I'll be obstructing you'll be obstructing she'll be obstructing we'll be obstructing you'll be obstructing they'll be obstructing
Perfect
I'll have obstructed you'll have obstructed she'll have obstructed we'll have obstructed you'll have obstructed they'll have obstructed
V-ing perfect
I'll have been obstructing you'll have been obstructing she'll have been obstructing we'll have been obstructing you'll have been obstructing they'll have been obstructing
Negation
Simple form
I shan't obstruct you shan't obstruct she shan't obstruct we shan't obstruct you shan't obstruct they shan't obstruct
V-ing form
I shan't be obstructing you shan't be obstructing she shan't be obstructing we shan't be obstructing you shan't be obstructing they shan't be obstructing
Perfect
I shan't have obstructed you shan't have obstructed she shan't have obstructed we shan't have obstructed you shan't have obstructed they shan't have obstructed
V-ing perfect
I shan't have been obstructing you shan't have been obstructing she shan't have been obstructing we shan't have been obstructing you shan't have been obstructing they shan't have been obstructing
Interrogative form
Simple form
shall I obstruct? shall you obstruct? shall she obstruct? shall we obstruct? shall you obstruct? shall they obstruct?
V-ing form
shall I be obstructing? shall you be obstructing? shall she be obstructing? shall we be obstructing? shall you be obstructing? shall they be obstructing?
Perfect
shall I have obstructed? shall you have obstructed? shall she have obstructed? shall we have obstructed? shall you have obstructed? shall they have obstructed?
V-ing perfect
shall I have been obstructing? shall you have been obstructing? shall she have been obstructing? shall we have been obstructing? shall you have been obstructing? shall they have been obstructing?
Interro-negative form
Simple form
shan't I obstruct? shan't you obstruct? shan't she obstruct? shan't we obstruct? shan't you obstruct? shan't they obstruct?
V-ing form
shan't I be obstructing? shan't you be obstructing? shan't she be obstructing? shan't we be obstructing? shan't you be obstructing? shan't they be obstructing?
Perfect
shan't I have obstructed? shan't you have obstructed? shan't she have obstructed? shan't we have obstructed? shan't you have obstructed? shan't they have obstructed?
V-ing perfect
shan't I have been obstructing? shan't you have been obstructing? shan't she have been obstructing? shan't we have been obstructing? shan't you have been obstructing? shan't they have been obstructing?