I should fly you should fly he should fly we should fly you should fly they should fly
V-ing form
I should be flying you should be flying he should be flying we should be flying you should be flying they should be flying
Perfect
I should have flown you should have flown he should have flown we should have flown you should have flown they should have flown
V-ing perfect
I should have been flying you should have been flying he should have been flying we should have been flying you should have been flying they should have been flying
Negation
Simple form
I should not fly you should not fly he should not fly we should not fly you should not fly they should not fly
V-ing form
I should not be flying you should not be flying he should not be flying we should not be flying you should not be flying they should not be flying
Perfect
I should not have flown you should not have flown he should not have flown we should not have flown you should not have flown they should not have flown
V-ing perfect
I should not have been flying you should not have been flying he should not have been flying we should not have been flying you should not have been flying they should not have been flying
Interrogative form
Simple form
should I fly? should you fly? should he fly? should we fly? should you fly? should they fly?
V-ing form
should I be flying? should you be flying? should he be flying? should we be flying? should you be flying? should they be flying?
Perfect
should I have flown? should you have flown? should he have flown? should we have flown? should you have flown? should they have flown?
V-ing perfect
should I have been flying? should you have been flying? should he have been flying? should we have been flying? should you have been flying? should they have been flying?
Interro-negative form
Simple form
should I not fly? should you not fly? should he not fly? should we not fly? should you not fly? should they not fly?
V-ing form
should I not be flying? should you not be flying? should he not be flying? should we not be flying? should you not be flying? should they not be flying?
Perfect
should I not have flown? should you not have flown? should he not have flown? should we not have flown? should you not have flown? should they not have flown?
V-ing perfect
should I not have been flying? should you not have been flying? should he not have been flying? should we not have been flying? should you not have been flying? should they not have been flying?