I'll be investigating you'll be investigating he'll be investigating we'll be investigating you'll be investigating they'll be investigating
Perfect
I'll have investigated you'll have investigated he'll have investigated we'll have investigated you'll have investigated they'll have investigated
V-ing perfect
I'll have been investigating you'll have been investigating he'll have been investigating we'll have been investigating you'll have been investigating they'll have been investigating
Negation
Simple form
I shan't investigate you shan't investigate he shan't investigate we shan't investigate you shan't investigate they shan't investigate
V-ing form
I shan't be investigating you shan't be investigating he shan't be investigating we shan't be investigating you shan't be investigating they shan't be investigating
Perfect
I shan't have investigated you shan't have investigated he shan't have investigated we shan't have investigated you shan't have investigated they shan't have investigated
V-ing perfect
I shan't have been investigating you shan't have been investigating he shan't have been investigating we shan't have been investigating you shan't have been investigating they shan't have been investigating
Interrogative form
Simple form
shall I investigate? shall you investigate? shall he investigate? shall we investigate? shall you investigate? shall they investigate?
V-ing form
shall I be investigating? shall you be investigating? shall he be investigating? shall we be investigating? shall you be investigating? shall they be investigating?
Perfect
shall I have investigated? shall you have investigated? shall he have investigated? shall we have investigated? shall you have investigated? shall they have investigated?
V-ing perfect
shall I have been investigating? shall you have been investigating? shall he have been investigating? shall we have been investigating? shall you have been investigating? shall they have been investigating?
Interro-negative form
Simple form
shan't I investigate? shan't you investigate? shan't he investigate? shan't we investigate? shan't you investigate? shan't they investigate?
V-ing form
shan't I be investigating? shan't you be investigating? shan't he be investigating? shan't we be investigating? shan't you be investigating? shan't they be investigating?
Perfect
shan't I have investigated? shan't you have investigated? shan't he have investigated? shan't we have investigated? shan't you have investigated? shan't they have investigated?
V-ing perfect
shan't I have been investigating? shan't you have been investigating? shan't he have been investigating? shan't we have been investigating? shan't you have been investigating? shan't they have been investigating?