I would investigate you would investigate she would investigate we would investigate you would investigate they would investigate
V-ing form
I would be investigating you would be investigating she would be investigating we would be investigating you would be investigating they would be investigating
Perfect
I would have investigated you would have investigated she would have investigated we would have investigated you would have investigated they would have investigated
V-ing perfect
I would have been investigating you would have been investigating she would have been investigating we would have been investigating you would have been investigating they would have been investigating
Negation
Simple form
I would not investigate you would not investigate she would not investigate we would not investigate you would not investigate they would not investigate
V-ing form
I would not be investigating you would not be investigating she would not be investigating we would not be investigating you would not be investigating they would not be investigating
Perfect
I would not have investigated you would not have investigated she would not have investigated we would not have investigated you would not have investigated they would not have investigated
V-ing perfect
I would not have been investigating you would not have been investigating she would not have been investigating we would not have been investigating you would not have been investigating they would not have been investigating
Interrogative form
Simple form
would I investigate? would you investigate? would she investigate? would we investigate? would you investigate? would they investigate?
V-ing form
would I be investigating? would you be investigating? would she be investigating? would we be investigating? would you be investigating? would they be investigating?
Perfect
would I have investigated? would you have investigated? would she have investigated? would we have investigated? would you have investigated? would they have investigated?
V-ing perfect
would I have been investigating? would you have been investigating? would she have been investigating? would we have been investigating? would you have been investigating? would they have been investigating?
Interro-negative form
Simple form
would I not investigate? would you not investigate? would she not investigate? would we not investigate? would you not investigate? would they not investigate?
V-ing form
would I not be investigating? would you not be investigating? would she not be investigating? would we not be investigating? would you not be investigating? would they not be investigating?
Perfect
would I not have investigated? would you not have investigated? would she not have investigated? would we not have investigated? would you not have investigated? would they not have investigated?
V-ing perfect
would I not have been investigating? would you not have been investigating? would she not have been investigating? would we not have been investigating? would you not have been investigating? would they not have been investigating?