I'll be obstructing you'll be obstructing he'll be obstructing we'll be obstructing you'll be obstructing they'll be obstructing
Perfect
I'll have obstructed you'll have obstructed he'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 he'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 he 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 he 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 he 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 he 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 he obstruct? shall we obstruct? shall you obstruct? shall they obstruct?
V-ing form
shall I be obstructing? shall you be obstructing? shall he be obstructing? shall we be obstructing? shall you be obstructing? shall they be obstructing?
Perfect
shall I have obstructed? shall you have obstructed? shall he 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 he 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 he 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 he 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 he 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 he have been obstructing? shan't we have been obstructing? shan't you have been obstructing? shan't they have been obstructing?